Sphalerite 925 Silver Pendant from Spain - 0.6" - 4.65 Grams bracelet Location: Greece

Location: Greece

This is a very nice Axinite crystal from Russia

This is a fantastic Hyalite opal cluster from Czech Republic

An extremely rare green Volkonskoite crystal from Russia

Perfectly double-terminated

Sphalerite 925 Silver Pendant from Spain - 0.6" - 4.65 Grams bracelet Location: GreeceVery rare rough natural translucent yellowish to honey brown Sphalerite 925 silver pendant from Spain. Sphalerite is a zinc sulfide mineral with a chemical composition of (Zn,Fe)S. Sphalerite is the major ore of zinc. Names for sphalerite used in the past or by miners include "zinc blende," "blackjack," "steel jack," and "rosin jack." Sphalerite has an incredible dispersion of 0. 156 that exceeds that of all of the popular gems and is three times