beryllonite
ck_admin
March 24, 2021
So called because of the presence of beryllium, it was named by James Dana in 1888.
colourless
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apophyllite
ck_admin
March 24, 2021
It was identified in 1806 by René Just Haüy, its name comes from the Greek “apophylliso” which means “exfoliates”, “that flakes “ … to heat, friction, acid. There are several varieties according to their chemical composition: rich in sodium, it is the natroapophyllite; rich in
anhydrite
ck_admin
March 24, 2021
Identified by Werner in 1804, its name comes from the Greek “anhydros” which means without water, as opposed to gypsum, which contains it. A blue variety that comes from Peru is called Angelite. Another variety from Italy (Costa Volpino in Lombardy) is called vulpinite.
