Gemstone Encyclopedia

Complete Guide and Detailed Information for Any Gemstone You Love

Color
Color
Wearability
Wearability
Location
Location
Birthstone
Birthstone
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Aquamarine

Aquamarine

Aquamarine: The serene “birthstone of March,” prized for its crystalline clarity and ocean-like hues, it remains an eternal symbol of tranquility, courage, and regal elegance.
bloodstone

Bloodstone

Bloodstone is an ancient, durable chalcedony prized for its deep forest-green base speckled with vibrant red hematite, historically revered as a powerful talisman of protection, courage, and vitality.
Glass

Glass

While used in jewelry for millennia, pure glass is naturally brittle and dull; however, through the addition of specific minerals, it can be transformed into a vibrant, durable, and brilliant gemstone simulant.
Anglesite

Anglesite

Anglesite is a brilliant but fragile lead sulfate mineral prized by collectors for its diamond-like luster and exceptional fire, though its softness and high lead content make it more suitable for display than for jewelry.
Coral

Coral

Coral is an organic gemstone formed from the calcium carbonate skeletons of colonial marine polyps, prized since antiquity for its vibrant hues and unique biological origin.
Papagoite

Papagoite

Papagoite is an exceptionally rare secondary copper silicate mineral, most highly prized in the gemological world for forming vibrant, electric blue “phantom” inclusions within clear quartz crystals.
Hessonite

Hessonite

Hessonite is a captivating variety of grossular garnet, prized for its warm color palette ranging from golden yellow to cinnamon brown and its unique “whisky in water” internal texture.
Chabazite

Chabazite

Chabazite is a versatile zeolite mineral characterized by its pseudo-cubic rhombohedral crystals and a highly porous aluminosilicate framework that makes it an exceptional natural molecular sieve for ion exchange and gas filtration.
Sillimanite

Sillimanite

Sillimanite is a high-temperature metamorphic mineral prized industrially for its extreme heat resistance and valued by collectors for its rare, luminous “cat’s eye” optical effect.
Bustamite

Bustamite

Bustamite is a rare manganese silicate mineral prized by collectors for its beautiful spectrum of pink to reddish-brown hues and its unique crystal structure within the pyroxenoid group.
Onyx

Onyx

Onyx is a striking variety of chalcedony known for its parallel banded layers, most famously prized in its deep, lustrous black form.
Dioptase

Dioptase

A rare copper silicate mineral celebrated for its intense, emerald-like saturation, Dioptase is a prized collector’s gem that balances breathtaking visual brilliance with a delicate, fragile structure.
Bismutotantalite

Bismutotantalite

Bismutotantalite is an exceptionally rare, amber-to-brown collector’s gemstone in the tantalite group, prized for its scarcity but considered too fragile for jewelry due to its low hardness and distinct cleavage.
Moonstone

Moonstone

Moonstone is a captivating gemstone celebrated for its “adularescence,” a soft, ethereal glow that dances across its surface like moonlight on water.
Grossular Garnet

Grossular Garnet

Grossular garnet is a versatile calcium-aluminum species of the garnet group, celebrated in gemology for its diverse color palette ranging from the vivid green of Tsavorite to the warm, honey-toned “cinnamon stone” known as Hessonite.
Celestite

Celestite

Celestite is a delicate strontium sulfate mineral prized for its ethereal pale-blue color and its association with mental clarity and spiritual tranquility.
Friedelite

Friedelite

Friedelite is a rare manganese silicate mineral, typically found in hydrothermal veins, characterized by its distinctive rose-red to brownish-orange crystals and complex sheet-silicate structure.
Amazonite

Amazonite

Amazonite is a vibrant blue-green variety of microcline feldspar. Found primarily in granitic pegmatites, it is distinguished by its unique “grid-like” perthitic texture and a color derived from trace lead impurities.
Actinolite

Actinolite

Actinolite is a striking green amphibole mineral prized by collectors for its radiating needle-like crystals and its rare, chatoyant “cat’s eye” gemstone variety.
Amethyst

Amethyst

Amethyst is a stunning purple variety of quartz, celebrated as the February birthstone, that ranges from soft lavender to deep royal violet.
Garnet

Garnet

Garnet is a diverse group of silicate minerals renowned for their rich red hues, exceptional brilliance, and durability, serving as the traditional birthstone for January.
Hardness
Hardness - slider
1.010.0
Color
Color
Wearability
Wearability
Location
Location
Birthstone
Birthstone

Gemstone Encyclopedia

List of all gemstones from A-Z with in-depth information for each

Birthstone

Find out more about these popular gemstones and their meaning