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Alexandrite

ALEXANDRITE - Atlantis Institute Crystals Encyclopedia

Origin 

Alexandrite is an extremely rare gemstone initially discovered in the Sanarka River in Russia's southern Ural Mountains. The chemical composition exhibits Chrysoberyl's variants consisting of a chrysoberyl cat's eye and transparent Chrysoberyl, yet has chromium as an impurity along with iron and titanium, which accounts for its distinctive ability to change colour. The only type o

Emerald

Emerald - International Crystals Encyclopedia https://www.atlantisinstitute.org/  
 
 
Origin - the place or situation from which something comes, the beginning of something’s existence, the point from which it starts out, the thin

Calcite

Yellow Calcite – Atlantis Institute Crystal Encyclopedia

Origin

Calcite is a carbonate mineral of secondary formation that is common to sedimentary rocks, including limestone, yet much of which is formed from the shells of long dead marine organisms.

Calcite forms in two stages. The particles from amorphous calcium carbonate

Chalcedony

Chalcedony - International Crystals Encyclopedia https://www.atlantisinstitute.org/  
 
 
Origin - the place or situation from which something comes, the beginning of something’s existence, the point from which it starts out, the t

Chrysoprase

Chrysoprase - International Crystals Encyclopedia https://www.atlantisinstitute.org/  
 
 
Origin - the place or situation from which something comes, the beginning of something’s existence, the point from which it starts out, the