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Mahogany paper grain — description and returns beneath the overlapping buy card.
double terminated crystal intersecting the main crystal at the point
Brahin Meteorite Slab
Weight: 105 grams
is a variety of agate characterized by the presence of needle-like or tubular mineral inclusions
with the chemical formula CaFeSi2O6
Schorl Specimen - Galileia, Brazil DX2712 phantom quartz double terminated crystal intersecting theSchorl (Black Tourmaline) Approx. Dimensions: 2. 5 x 1. 5 x 1. 5 inches Approx. Weight: 93 grams Locality: Galileia, Minas Gerais, Brazil Acrylic stand and putty are not included. This specimen from Galileia has a very interesting structure. The top of the schorl has small formations of mica dispersed among the uneven terminations. Schorl, also known as black tourmaline, is a variety of tourmaline that is formed in a pegmatite environment, typically
US$ 575.00
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US$ 325.00