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Crystal Encyclopedia

Charoite

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Charoite is a rare and captivating mineral known for its distinctive purple color and intricate patterns. It is named after the Chara River in the Sakha Republic, Russia, where it was first discovered in the 1940s. Charoite is primarily composed of complex silicate minerals and belongs to the monoclinic crystal system. One of the most […]

Green Zircon

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Green zircon refers to a variety of the mineral zircon (ZrSiO4) that exhibits a green coloration. Zircon itself is a popular gemstone known for its wide range of colors, including blue, yellow, brown, red, and green. The green color in zircon is typically caused by the presence of certain impurities or radiation-induced defects in the […]

Color Change Garnet

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Color Change Garnet is a fascinating and relatively rare gemstone known for its unique ability to change color under different lighting conditions. It is a variety of garnet, which is a group of silicate minerals. What sets Color Change Garnet apart from other garnet varieties is its remarkable property of exhibiting different colors depending on […]

Tiffany Stone (Bertrandite)

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Tiffany Stone is a rare and unusual gemstone known for its vibrant and colorful appearance. It is not actually a mineral in the traditional sense but rather a rock composed of several minerals and substances. It is often referred to as “bertrandite” in the gem and mineral trade. It is typically found in the form […]

Koroit Opal

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Koroit opal is a unique and highly sought-after variety of opal, renowned for its exceptional beauty and distinctive characteristics. This precious gemstone is named after the small town of Koroit in Queensland, Australia, which is one of the primary sources of this opal. Koroit opal is a type of boulder opal, which means it forms […]

Red Agate

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Red agate is a type of chalcedony, which is a variety of microcrystalline quartz known for its beautiful and diverse range of colors. Red agate, as the name suggests, is characterized by its predominantly red hues, but it often exhibits other colors and patterns as well. This semi-precious gemstone is prized for its aesthetic appeal […]

Banded Amethyst

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Banded Amethyst is a specific variety of amethyst, which is a violet to purple variety of quartz. What sets Banded Amethyst apart is its distinctive banding patterns, which are a result of the presence of other minerals, typically white quartz and/or clear quartz, forming alternating layers within the amethyst. These bands give the stone a […]