Cassiterite Crystals on Cleavelandite Matrix agate Cabochon Size: 37 x 24 x

Size: 37 x 24 x 22 mm

This beautiful blue rock is lapis lazuli (today often called lapis)

Size: 90 x 70 x 35 mm

From Cave in Rock

There may be some in each lot that are not rod shaped

Cassiterite Crystals on Cleavelandite Matrix agate Cabochon Size: 37 x 24 xBeautiful 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