Gemstone Department
How Many Colors Can Andalusite Show? Andalusites. Photo by cobalt123. Licensed under CC By-SA 2.0. Andalusite has very distinctive and attractive pleochroism. This gem can…
Trapiche emeralds are found in the black shale host rocks of just a few Colombian mines in the western belt of the Eastern…
White opal is more common and because of its body tone, generally does not show the colour as well as black opal. … Fire…
Kyanite is very rare as a faceted gem, especially if free from inclusions and flaws. The material is extremely difficult…
Sphene; Origin and Gemstone Sources Sphene deposits are found in Brazil, Burma (Myanmar), India, Kenya, Madagascar, Mexico, Austria, Sri Lanka…
Petalite, also known as castorite, is a lithiumaluminiumphyllosilicatemineralLiAlSi4O10, crystallizing in the monoclinic system. Petalite occurs as colorless, pink, grey, yellow, yellow grey, to white…