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1.9" Beryl (Var: Emerald) Crystal in Schist & Graphite - Bahia, Brazil
This is a large green beryl emerald from Bahia, Brazil. This 1.9" long, .72" wide emerald crystal segment is surrounded by graphite and schist. The metallic graphite can be found along the edge, as well as what could be considered the top of the specimen. Separate segments of emerald can be seen throughout the matrix of this specimen, although none quite the quality of the center emerald.
Beryl is a mineral composed of beryllium aluminum cyclosilicate, with the chemical formula Be3Al2(SiO3)6. Naturally occurring beryl tends to form hexagonal crystals that can reach several meters in size if given the right conditions. Completely pure beryl will be transparent and colorless, while mineral impurities frequently tint the crystals color in most specimens.
Well known varieties of beryl include aquamarine and emerald, although beryl can also be green, blue, yellow, white and red, depending on the incorporated impurities during formation. Red beryl is its rarest form, and can currently only be found in New Mexico and Utah.
Well known varieties of beryl include aquamarine and emerald, although beryl can also be green, blue, yellow, white and red, depending on the incorporated impurities during formation. Red beryl is its rarest form, and can currently only be found in New Mexico and Utah.
SPECIES
Beryl, Schist & Graphite
LOCATION
Carnaíba mining district, Pindobaçu, Campo Formoso ultramafic complex, Bahia, Brazil
SIZE
Crystal measurement: 1.9"" long, .72" wide! Matrix 3.1" long, 2.6" wide
CATEGORY
ITEM
#44127
