Cassiterite Crystals on Cleavelandite Matrix agate Cabochon The pieces will show a

The pieces will show a brief red phosphorescence from the calcite with a 365 nm UV light

Beautiful moss agate cabochon

Size: 90 x 70 x 35 mm

The apatite crystal fluoresces orange under 365nm long wave UV and yellow under 254nm short wave UV

Cassiterite Crystals on Cleavelandite Matrix agate Cabochon The pieces will show aBeautiful 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