Cassiterite Crystals on Cleavelandite Matrix Blue stones with sphalerite core

with sphalerite core

Size: 83 x 61 x 25 mm

The pendant is roughly 45mm by 12 mm and the chain is 20 inches total

and the size is 75 x 40 x 35 mm

Clear quartz cluster with unique shape and size that comes from Pakistan

Cassiterite Crystals on Cleavelandite Matrix Blue stones with sphalerite coreBeautiful cassiterite crystals on a matrix of cleavelandite albite. Cassiterite is a tin oxide mineral that is often found in association with cleavelandite, a platy variety of albite. Cleavelandite is a common constituent of pegmatites, where it forms warped masses of mineral with lamellae parallel to (010) and may be twinned on the albite law. Cassiterite crystals on cleavelandite are rare and highly sought after by mineral collectors. They exhibit