Gemstone Name : Spessartite Garnet

General Info:

Garnets are a group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives. All species of garnets possess similar physical properties and crystal forms, but differ in chemical composition. The different species are pyrope, almandine, spessartine, grossular (varieties of which are hessonite or cinnamon-stone and tsavorite), uvarovite and andradite. Usually orange to reddish brown, gem-quality spessartite or spessartine garnets are somewhat rare. However, as blends with other garnet species, they include popular mandarin and malaya garnets as well as color change gems. Spessartites make very durable jewelry stones.

Spessartite Garnet Value :

Before the discovery of mandarin garnets in the 1990s, bright, orangish reds were the most valuable spessartite colors. These came most famously from Ramona, California and Amelia County, Virginia in the United States. These spessartites remain very rare and valuable.

Comments

Spessartite usually occurs in a solid-state series or blend with other garnet species, such as almandine and pyrope. Gems closer to a pure spessartite content have a light orange color. Those with a reddish to red-brown hue have a higher almandine content as well as a higher refractive index.

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