Polished Eucryptite EU119 Green Opal Chrysoprase on one end

Chrysoprase on one end

Weighs 969 grams

Dimensions at widest points approximately 150 mm x 80 mm x 21 mm thick

Dimensions at widest point approximately 195 mm x 140 mm x 11 mm

CH455  Chrysoprase slab

Polished Eucryptite EU119 Green Opal Chrysoprase on one endEU119 Eucryptite rough rock, cut and polished on one side with a natural back. A fluorescent mineral ! Pale blue associated mineral is Cleavelandite. Dimensions at widest points approximately 95 mm x 85 mm x 35 mm thick. Weighs 388 grams. Eucryptite is a lithium aluminium silicate that occurs in LCT pegmatites. Under shortwave UV light it fluoresces a deep red colour. From near Norseman in Western Australia