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Crystal Encyclopedia

Green Obsidian

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Green obsidian is a captivating natural gemstone with a striking emerald hue, known for its intriguing origins and unique characteristics. This volcanic glass, which goes by various names such as “Green Sheen Obsidian” and “Green Rainbow Obsidian,” is a gemstone that has piqued the interest of gem enthusiasts and collectors worldwide. In this article, we’ll […]

Tinguaite

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Tinguaite is a type of volcanic rock, primarily composed of nepheline and alkali feldspar, with lesser amounts of other minerals such as amphibole, biotite, and pyroxene. It falls under the category of igneous rocks, specifically belonging to the alkaline series. Tinguaite typically forms in volcanic settings, particularly in regions associated with rift zones and intraplate […]

Sardonyx

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Sardonyx is a gemstone that belongs to the chalcedony family, which is a type of microcrystalline quartz. It is a variety of onyx, which itself is a type of chalcedony known for its banded appearance. Sardonyx is characterized by its distinctive layers of reddish-brown or orange-brown sard (a type of chalcedony with a reddish-brown color) […]

Moldavite

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Moldavite is a type of glass-like tektite that is believed to have originated from a meteorite impact that occurred around 15 million years ago in what is now the Bohemian region of the Czech Republic. It is a rare and highly sought-after gemstone that has been used for its unique properties in various forms of […]

Iridescent Rainbow Pyrite

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Rainbow pyrite, also known as iridescent pyrite or peacock pyrite, is a captivating mineral known for its stunning metallic luster and a rainbow of colors that can be seen on its surface. This unique and visually striking mineral has garnered attention from mineral collectors and enthusiasts due to its remarkable appearance. Rainbow pyrite is composed […]

Black Opal

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Black Opal is a stunning and highly valued gemstone known for its captivating play-of-color, which sets it apart from other opals. It is a type of precious opal that displays a dark or black body color with vibrant flashes of iridescent colors that appear to move and change as the gem is viewed from different […]

Flower Agate

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Flower Agate is a captivating variety of Agate known for its delicate, floral-like patterns and ethereal hues. Its name is derived from the unique patterns within the stone, resembling blooming flowers frozen in time. Aura Flower Agate Flame (nouveaucollections.com) The mesmerizing patterns in Flower Agate are formed through the process of crystallization within volcanic rock […]