Pollucite. POR103 Polished rock. BM325 Brecciated Mookaite rock

BM325  Brecciated  Mookaite rock

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

185 mm x 65 mm x 8 mm thick

Weighs:  107 grams

225 mm high x 155 mm wide x 70 mm

Pollucite. POR103 Polished rock. BM325 Brecciated Mookaite rockPOR103. 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