Pollucite. POR103 Polished rock. Weighs: 107 grams

Weighs:  107 grams

Dimensions at widest points approximately 65 mm x 50 mm x 50 mm thick

185 mm x 65 mm x 8 mm thick

It weighs 512 grams

Pollucite. POR103 Polished rock. Weighs: 107 gramsPOR103. 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