Pollucite. POR103 red jasper Dimensions at widest points approximately

Dimensions at widest points approximately 130 mm  x 60 mm x 8 mm thick

MK537   Mookaite

Dimensions approximately 90 mm x 75 mm x 50 mm deep

Weighs 660 grams

Approximate dimensions at widest points 165 mm  x 60 mm  x 65 mm thick

Pollucite. POR103 red jasper Dimensions at widest points approximatelyPOR103. Pollucite rough rock.. Extremely rare mineral specimen or suitable for cutting. Dimensions at widest points approx. 80 mm x 60 mm x 50 mm thick. Weighs 432 grams. From near Norseman, Western Australia. Pollucite only occurs in extremely differentiated lithium caesium tantalum (LCT) pegmatites. Economic caesium deposits are extremely rare, with only two mining operations worldwide having produced commercial quantities of pollucite. In 2018 a