Polished Eucryptite EU119 chalcedony Weighs 266 grams

Weighs 266 grams

125 mm x 80 mm x 70 mm

Dimensions at widest points approximately 130 mm  x 125 mm wide x 8 mm thick

Weighs 388 grams

Alcheringa narrina from the Archaean Meentheena Member within the Tumbiana Formation

Polished Eucryptite EU119 chalcedony Weighs 266 gramsEU119 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