BEAUTIFUL ONE OF A KIND

HANDMADE NATURAL RUBY AND KYANITE SILLIMANTÈ GEMSTONE PENDANT

SET IN SOLID .925 STERLING SILVER

What rocks contain sillimanite?

Introduction: sillimanite is a metamorphic mineral found in high-grade rocks (upper amphibolite/lower granulite facies) most typically in aluminium-rich pelites. Sillimanite has two polymorphs, kyanite and andalusite, which develop under conditions of lower temperature and different pressure to sillimanite.  

Sillimanite, also referred to as fibrolite, is a rare gemstone and is only found in a few places in the entire world. These places include France, Madagascar, Sri Lanka - and the Eastern United States! In fact, it was first discovered in Connecticut.

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