A rare colourless Albite Feldspar gemstone from Paraiba state, Brazil.
Albite is a member of the Plagioclase sub-group of Feldpsar minerals, a sodium-rich end member of a series which has a deficit of calcium.
The gem is well cut, with plenty of internal reflection and a bright and lively appearance.
weight: 3.01 carats
shape: Trillion cut
dimensions: 10.69 x 10.50 x 5.60 mm