Sphalerite 925 Silver Pendant from Spain - 0.8" - 4.25 Grams bracelet This is just a phenominal

This is just a phenominal gem quality green colored Herderite crystal from Pakistan with Albite

Description: Lazulite sphere from Madagascar with a rich dark blue color

2 cm long each

9 inches long /2

Sphalerite 925 Silver Pendant from Spain - 0.8" - 4.25 Grams bracelet This is just a phenominalVery 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