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It is a naturally transparent material
The sequence of crystal formation for these two species varied within the solution environment
but with a calcium atom replacing a sodium atom in its chemical formula
and yellow globular Pectolite masses that often formed in cavities and geode s
Liddicoatite was not recognized as a separate Tourmaline species until 1977
Terminated Chrome Tourmaline Specimen From Tanzania- Collectors Piece, Home Décor (Stand Included) half_cresent_moon It is a naturally transparentTerminated Chrome Tourmaline Specimen From Tanzania Collectors Piece, Home Dcor (Stand Included) Weight 15g Including Stand Size 1. 5cm by 1. 5cm Thickness 1. 5cm Chrome Tourmaline is a rare, gemstone quality variety of chromium bearing green dravite. Dravite is one of several specific varieties of the tourmaline group. Although dravite tourmaline is quite common in occurrence, most deposits are too opaque or too heavily included to be of any gemstone