Polished Eucryptite EU117 Polished dendritic opal Dimensions at widest points approximately

Dimensions at widest points approximately 185 mm x 120 mm x 7

From  Yerilla

Magnesite (Lemon chrysoprase) rough rock

Dimensions at widest points approximately 150 mm x 130 mm x 40 mm thick

Dimensions at widest points approximately 240 mm x 70 mm x 60 mm thick

Polished Eucryptite EU117 Polished dendritic opal Dimensions at widest points approximatelyEU117 Eucryptite rough rock, cut and polished on one side with a natural back. A fluorescent mineral ! Dimensions at widest points approximately 90 mm x 70 mm x 40 mm thick. Weighs 335 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