[Gemstone Encyclopedia] Choose by Name! 20 Popular Gemstones | Thorough Explanation of Features, Types, Meanings, and How to Choose Them

"What's the name of that beautiful gem?"
That captivating sparkle in a jewelry store, or a special ring given by a loved one. Each gemstone has its own unique name and a fascinating story to tell. However, there are countless types, and remembering all their names and characteristics can be a daunting task.
For those of you searching "gemstone names types," this article carefully selects popular gemstones and, like a gemstone encyclopedia, clearly explains their names, types, characteristics, as well as their meanings and tips on how to choose them.
Reading this article will change how you view gemstones, and it will surely be useful for both yourself and when choosing a gift for a loved one. Now, let's begin your journey to find your own special gemstone.

Learn Gemstone Names and Types! What You'll Learn in This Article

In this section, we will deepen your knowledge of gemstone names and types, and help you find the perfect gemstone for you by explaining the following in detail:
First, we will carefully select 20 popular major gemstones and comprehensively introduce their names, characteristics, types, and even the meanings hidden within them. You will discover the unique brilliance and charm of each gemstone, from classics like diamonds to vibrant colored stones.
Next, we will touch upon the basic classification of gemstones. By learning foundational knowledge for choosing gemstones, such as what colored stones are and the difference between natural and synthetic stones, you will gain a deeper understanding.
Furthermore, we will provide specific tips on the meanings of birthstones and how to choose a gemstone as a gift for a loved one or a treat for yourself. By learning the key points for choosing based on the recipient, occasion, and budget, you will be able to confidently select the optimal gemstone.
Through this article, deepen your knowledge of gemstones and fully enjoy their profound world.

20 Popular Gemstones: Names, Characteristics, Types, and Meanings Explained in Detail

Here, we have carefully selected 20 popular gemstones loved around the world and will explain their names, characteristics, types, and hidden meanings in detail. Let's delve deep into the charm of each gemstone as if flipping through a gemstone encyclopedia.

Diamond

Symbolizing "eternal brilliance," the diamond is known as the hardest mineral on Earth and continues to captivate people with its overwhelming sparkle. Composed solely of carbon atoms, it is formed deep underground under high pressure and temperature. Its value is assessed by the "4Cs" (carat, cut, color, clarity), and the more colorless and transparent it is, the higher its quality. However, fancy color diamonds like pink and blue are also extremely rare and valuable. Representing eternal love and purity, it is often chosen for engagement and wedding rings, cherished as a special gemstone that marks life's milestones.

Ruby

Symbolizing "passionate red," ruby belongs to the corundum mineral group, and its beautiful red color is due to the presence of chromium. It has a hardness second only to diamond, and its vivid red color has long been called the "Queen of Gemstones." Major producing areas include Myanmar (Burma), Thailand, and Sri Lanka, with "Pigeon's Blood" rubies, known for their deep, vivid red color resembling pigeon's blood, being considered the finest. It is believed to symbolize victory, passion, and life, giving vitality to the wearer and enhancing charisma.

Sapphire

Sapphire, reminiscent of "the blue of the sky and sea," also belongs to corundum like ruby, and its beautiful blue color is due to the presence of iron and titanium. Its hardness and durability mean it is used not only in jewelry but also in industrial applications. Traditionally, a deep, clear blue called "Royal Blue" is considered the highest quality, but all sapphires of colors other than blue, such as pink, yellow, and green, are called "fancy sapphires," allowing for a diverse range of colors. Symbolizing sincerity, compassion, and truth, it has been loved by royalty and nobility around the world as a gemstone representing intelligence and calmness.

Emerald

The enchanting "mysterious green" emerald belongs to the beryl mineral group, and its vivid green color is developed by chromium and vanadium. Its unique green hue is widely known as "emerald green." It is characterized by a relatively high number of inclusions, which are sometimes referred to as a "garden" (jardin) as proof of its natural origin. Colombian emeralds are particularly famous, and those with high transparency and uniform color are highly valued. Symbolizing good fortune, rebirth, and intelligence, it has been treasured by many civilizations since ancient times as a symbol of wealth and prosperity.

Amethyst

Amethyst, adorned with "noble purple," is a type of quartz that develops its beautiful purple color due to the presence of iron ions. Its subdued hue has been used in religious ceremonies and royal adornments since ancient times. Major producing areas include Brazil and Uruguay, and it is known for producing relatively large crystals. Symbolizing true love and peace of mind, it is also popular as a power stone believed to relieve stress and bring peaceful sleep.

Topaz

Topaz, with its diverse colors, was historically referred to by its Japanese name "Ogyoku," which encompassed all yellow gemstones. Naturally, colorless transparent, yellow, and orange varieties are common, and "Blue Topaz," which changes to a vibrant blue through heat treatment, is widely available. "Imperial Topaz," a rare orange-pink resembling a sunset, is particularly valuable. It signifies friendship, hope, and sincerity, and is said to instill confidence and vitality in its wearer.

Garnet

Garnet, possessing "the red of truth," is known in Japanese as "Zakuroishi" (pomegranate stone), named for its small, red crystals resembling pomegranate seeds. In reality, it comes in a wide variety of colors, not just red, including orange, green, yellow, and black. The most common type is the deep red "almandine garnet." Symbolizing friendship, loyalty, and victory, it has been cherished since ancient times as a protective amulet for travelers.

Aquamarine

Aquamarine, as if "capturing the sparkle of the sea," is a type of beryl, just like emerald, and develops its beautiful, translucent blue color due to the presence of iron ions. Its name is derived from the Latin words "aqua" (water) and "marina" (sea). Brazil is a major producer, and deeply colored stones are highly valued. Symbolizing happiness, wealth, and intelligence, it has been worn by sailors since ancient times as an amulet for safe voyages.

Peridot

Peridot, also known as the "evening emerald," is a gemstone characterized by its vibrant yellowish-green color. Its brilliance is said to remain even in darkness, and in ancient Egypt, it was revered as the "sun stone." It is often formed by volcanic activity and can be found in volcanic regions like Hawaii. Symbolizing marital happiness and the bond of fate, it is believed to remove negative emotions and illuminate a bright future.

Opal

Opal is characterized by its unique shimmering rainbow-colored light, known as "play-of-color." As it changes colors from different angles, it's popular as a "one-of-a-kind gemstone" with no two being exactly alike. It is broadly categorized into "precious opal," which exhibits play-of-color, and "common opal," which does not. Australia is known as a major producing area. Symbolizing hope, purity, and creativity, it is said to enhance the wearer's inspiration.

Moonstone

Moonstone is beautiful with its "adularescence," a bluish-white sheen that glides across its surface like "moonlight." Its mysterious glow has long been associated with the phases of the moon and believed to possess mystical powers. Most moonstones are milky white or translucent, and those with a bluish sheen are particularly highly valued. Symbolizing health, good fortune, and the premonition of love, it is said to enhance femininity and enrich sensitivity.

Tanzanite

Tanzanite's charm lies in its "pleochroism," where it changes color from blue to purple, and sometimes reddish, depending on the viewing angle, like a "twilight sky." As its name suggests, it is a rare gemstone found only in Tanzania, Africa. Named by Tiffany & Co., it is a relatively new gemstone but has rapidly gained popularity due to its beauty. Symbolizing nobility, calmness, and intelligence, it is said to enhance thought processes and lead one's life in a positive direction.

Alexandrite

Alexandrite is a very rare gemstone characterized by its color-changing effect, possessing "two faces, day and night." It dramatically changes color from green under sunlight to red under incandescent light. Discovered in the Ural Mountains of Russia, it was named after Tsarevich Alexander II. Due to its rarity, it is also called the "phantom gem." Symbolizing birth, transformation, and nobility, it is said to bring out the hidden talents of its wearer.

Citrine

Citrine, with its translucent yellow to orange color reminiscent of "sunshine," is also a type of quartz, just like amethyst. Its bright hue has long been treasured as a symbol of prosperity and wealth. Major producing areas include Brazil and Madagascar, and heat treatment is also used to deepen its color. Symbolizing wealth, prosperity, and hope, it is said to enhance financial luck and bring positive energy.

Pearl

Pearls, also known as "teardrops of the moon," are the only organic gemstones grown within shellfish. Depending on their origin and type, such as Akoya pearls, South Sea pearls, and Tahitian pearls, they vary in size and color, with their unique luster, "orient," being their charm. They are formed as nacre layers wrap around a nucleus or irritant. Symbolizing health, wealth, and longevity, they are widely used in formal occasions such as weddings and funerals.

Jade

Jade, highly prized in the East, has been called "gyoku" (gem) since ancient times and used as ornaments for royalty and nobility, as well as ceremonial tools. It is broadly divided into two types: "jadeite" and "nephrite," with Myanmar-produced "Imperial Jade" (rokan) jadeite being considered the highest quality. Symbolizing success, prosperity, and longevity, it is said to bring wisdom and virtue to its wearer.

Lapis Lazuli

Lapis lazuli, with its deep blue color like a "fragment of the sky," was revered as a "sacred stone" in ancient Egypt and elsewhere because the golden flecks of pyrite (iron pyrite) within it resemble stars shining in the night sky. Afghanistan is its main source, and it has long been used as a pigment. Symbolizing good fortune, truth, and wisdom, it is believed to enhance insight and intuition.

Turquoise

Known as a "traveler's amulet," turquoise is an opaque gemstone characterized by its vibrant sky blue or greenish-blue color. It has been revered as a sacred stone by Native Americans since ancient times and used in ornaments and amulets. Iran, the United States, and Mexico are major producing areas. Symbolizing success, prosperity, and safety, it is believed to protect against danger and strengthen friendships.

Zircon

Zircon, with its strong brilliance and dispersion similar to diamonds, is one of the oldest natural stones. Colorless transparent varieties are sometimes used as diamond substitutes, but it comes in various colors such as blue, green, yellow, and red, with the blue "Blue Zircon" being particularly popular. Symbolizing peace, success, and nobility, it is said to enhance the wearer's charm and bring spiritual stability.

Tourmaline

Tourmaline, also called the "rainbow gemstone," is known for its incredibly rich color variations. Red, pink, green, blue, yellow, black—there are even "bicolor tourmaline" and "parti-colored tourmaline" which exhibit multiple colors in a gradient within a single crystal. Brazil is a major producing area, and its ability to become electrically charged (piezoelectricity, pyroelectricity) is also a characteristic. Symbolizing hope, healing, and health, it is said to balance the mind and body of the wearer.

Understand the Basic Classification of Gemstones

The world of gemstones is profound, and understanding some basic classifications can be helpful for grasping its diversity. Here, we will explain the fundamental knowledge of gemstones, focusing on "colored stones" and "natural stones vs. synthetic stones."

What are Colored Stones?

Colored stones generally refer to all gemstones that have color, excluding diamonds. Their greatest appeal lies in the diverse colors woven by nature, such as the passionate red of rubies, the mysterious blue of sapphires, and the vibrant green of emeralds. Each one is unique, with its own individual sparkle. Many birthstones are also classified as colored stones, enhancing the individuality of the wearer and adding color to their fashion.

Differences Between Natural Stones and Synthetic Stones

Gemstones are broadly categorized into "natural stones" and "synthetic stones" based on their origin.
Natural stones are gemstones that have formed naturally deep within the Earth over hundreds of millions of years. Each possesses a unique crystal structure, inclusions, and color variations, meaning no two are exactly alike. This unparalleled individuality and rarity are major charms and the source of value for natural stones.
On the other hand, synthetic stones are gemstones created artificially, reproducing the same chemical composition, crystal structure, and physical properties as natural stones. Examples include synthetic rubies and synthetic sapphires. While their appearance and properties are almost identical to natural stones, they are characterized by stable quality and a more affordable price compared to natural stones.
In addition, there are also imitations, which differ from natural and synthetic stones. These are made to resemble gemstones in appearance only, with different chemical compositions and physical properties. They are often made of glass or plastic and do not hold value as gemstones.
Since natural stones, synthetic stones, and imitations have different characteristics, it is important to understand these differences when making a purchase.

Birthstones and Their Meanings

Birthstones are gemstones designated for each month, believed to bring good luck and serve as amulets when worn. Knowing your own or a loved one's birthstone can be a wonderful starting point for choosing a gem. Here, we introduce the birthstones for each month, along with their associated meanings and legends.

January: Garnet
Meaning: "Truth," "Friendship," "Fidelity"
Known for its deep red color, garnet is a historic gemstone mentioned in the Old Testament. It is believed to bring efforts to fruition and lead to success.

February: Amethyst
Meaning: "Sincerity," "Peace of Mind," "Nobility"
Characterized by its beautiful purple color, amethyst is said to bring mental stability and enhance inspiration. It is also believed to prevent drunkenness at social gatherings.

March: Aquamarine, Coral, Bloodstone
Meaning: "Composure," "Courage," "Intelligence" (Aquamarine)
Aquamarine, with its captivating clear blue color like the sea, is believed to calm the mind and facilitate communication.

April: Diamond
Meaning: "Eternal Love," "Purity," "Indomitable Spirit"
Known as the hardest mineral on Earth, its unparalleled brilliance symbolizes an everlasting bond. It is a popular choice for engagement rings.

May: Emerald, Jade
Meaning: "Good Fortune," "Happiness," "New Beginnings"
Emerald, with its vibrant green color, has historically been a symbol of wealth and power. It is also believed to possess healing and regenerative powers.

June: Moonstone, Pearl, Alexandrite
Meaning: "Health," "Longevity," "Wealth" (Pearl), "Premonition of Love" (Moonstone)
Moonstone, with its mysterious glow, is said to enhance femininity, while pearls symbolize gentleness and purity.

July: Ruby
Meaning: "Passion," "Benevolence," "Dignity"
The fiery red color of ruby, also called the "Queen of Gemstones," symbolizes vitality and passion. It is also known as a stone that brings victory.

August: Peridot, Sardonyx, Spinel
Meaning: "Marital Happiness," "Harmony," "Hope" (Peridot)
The olive-green peridot, known as the "sun stone" that dispels darkness, has been believed to protect against evil.

September: Sapphire, Kunzite
Meaning: "Compassion," "Sincerity," "Virtue" (Sapphire)
Sapphire, characterized by its deep, beautiful blue color reminiscent of the sky and sea, is said to enhance calmness and intellect.

October: Opal, Tourmaline
Meaning: "Joy," "Hope," "Innocence" (Opal)
Opal, which shimmers with various colors depending on the viewing angle, is believed to stimulate creativity and artistry.

November: Topaz, Citrine
Meaning: "Friendship," "Hope," "Purity" (Topaz), "Prosperity," "Wealth" (Citrine)
Topaz, with its clear brilliance, and citrine, with its warm, sun-like glow, bring positive energy.

December: Turquoise, Lapis Lazuli, Tanzanite, Zircon
Meaning: "Success," "Prosperity," "Safe Travels" (Turquoise), "Nobility," "Sacredness" (Lapis Lazuli)
Turquoise, with its sky-blue color, has been cherished as a travel amulet since ancient times. Tanzanite is a valuable gemstone with beautiful pleochroism.

Gemstone Selection Guide

When choosing a gemstone, it's important to consider various factors in addition to its beauty, such as the recipient, purpose, and budget. Here, we'll introduce specific tips for finding the perfect gemstone for you.

Who is it for? Tips for choosing by recipient

The most important factor when choosing a gemstone is "who it is for." By understanding your relationship with the recipient and their preferences, you can find a gift they will truly cherish.

For a partner: Rubies and sapphires symbolizing love, or diamonds with their eternal sparkle, are popular choices. Choosing the recipient's birthstone or a stone that commemorates a special occasion for both of you can also be romantic. It's also important to research their usual fashion style and favorite colors.

For family (mother, sister, etc.): Elegant and long-lasting designs are recommended as a token of gratitude. In addition to the recipient's birthstone, amethyst for its relaxing effect or garnet for its wish for good health are also good options.

For a friend: Colored stones that enhance their individuality and are within an affordable price range are often appreciated. Aquamarine for strengthening friendship or peridot for its positive energy are also popular. Try to subtly inquire about their preferences in casual conversations.

For yourself: When choosing a gemstone as a reward for yourself or as an amulet, trusting your intuition is key. Find a special gemstone that appeals to you or that makes you feel confident when you wear it.

For what occasion? Tips for choosing by purpose

The appropriate design and type of gemstone vary depending on the occasion you plan to wear it.

Daily wear: Diamonds, sapphires, and rubies are suitable due to their high hardness and resistance to scratches. Additionally, simple designs and small sizes can be easily matched with any outfit, allowing for everyday enjoyment.

Formal occasions: Pearls, with their elegance and presence, and diamonds or emeralds, with their beautiful sparkle, are ideal. Choose sophisticated and refined designs that complement formal attire.

Anniversaries or special events: It's recommended to choose something a little more luxurious than everyday wear, or a gemstone with a deeper meaning. For example, selecting a gemstone that symbolizes the bond between a couple for a wedding anniversary adds a wonderful narrative.

Engagement/Marriage: While diamonds symbolizing eternal love are common for engagement rings, more people are now choosing colored stones to express individuality. Wedding rings are worn daily, so prioritize durability and comfort.

Recommended Gemstones by Budget

When choosing gemstones, budget is an important factor. Here are some tips for selecting beautiful gemstones wisely, according to your budget.

Affordable price range (around a few thousand to 30,000 yen): Amethyst, garnet, peridot, citrine, and blue topaz are recommended. These gemstones are richly colored and sparkle beautifully even in small sizes. Also, synthetic stones and lab-grown diamonds offer similar beauty to natural stones at a more accessible price.

Mid-price range (around 30,000 to 100,000 yen): Aquamarine, tanzanite, opal, moonstone, and topaz (such as imperial topaz) become options. In this price range, you can often find good quality colored stones and jewelry with sophisticated designs.

High-price range (over 100,000 yen): This category mainly includes highly valuable gemstones known as the "Big 5": diamonds, rubies, sapphires, emeralds, and alexandrites. For diamonds, considering the 4Cs (carat, cut, color, clarity) will help you find the most brilliant piece within your budget. Choosing directly from a reputable jeweler rather than focusing solely on brands can also be a smart way to manage costs.

Summary: Find Your Perfect Gemstone

In this article, we have thoroughly explained 20 popular gemstones, including their names, characteristics, types, and meanings, much like a gemstone encyclopedia. From the eternal sparkle of diamonds to the rich hues of colored stones, and the mystical stories each gem holds, you must have discovered new insights during your journey through the profound world of gemstones.
By understanding the meanings of birthstones, distinguishing between natural and synthetic stones, and grasping the key points for choosing based on the recipient, occasion, and budget, you will no longer be at a loss when selecting gemstones.
Gemstones are more than just beautiful "stones." They enhance the individuality of the wearer, serve as messengers to convey heartfelt feelings to loved ones, and sometimes act as amulets quietly watching over their owner. Using the knowledge you've gained today, confidently choose a gemstone that enriches your own heart, or a special gem that brings a smile to a loved one's face.
We hope this guide serves as a helpful resource in making your encounter with gemstones even more fulfilling.

Supervisor of This Article

This article is supervised by Masakatsu Oneda, Representative Director of "GINZA VINTAGE JEWELRY."
Leveraging the discerning eye and market knowledge cultivated over 15 years in the branded goods business, he now focuses on the specialized field of vintage jewelry, dedicating himself to accurately conveying the charm and background of valuable one-of-a-kind pieces.