Polished Eucryptite EU119 chalcedony This variety also referred to

This variety also referred to as a "Mt

Dimensions at widest points approximately 110 mm x 85 mm x 40 mm thick

Dimensions at widest points approximately 130 mm x 100 mm x 9 mm thick

Alcheringa narrina from the Archaean Meentheena Member within the Tumbiana Formation

Polished Eucryptite EU119 chalcedony This variety also referred toEU119 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