Polished Blue Lepidolite specimen BL239 #googleimages Dimensions approximately 340 mm x

Dimensions approximately 340 mm x 180 mm x 9

This specimen is from east of the Darling Ranges just outside the city of Perth

Dimensions approximately 180 mm x 100 mm x 5 mm thick

Porphyry is a general term that is used rather loosely for  igneous rocks which contain relatively large isolated crystals set in a fine-grained groundmass

285 mm x 90 mm x 10 mm thick

Polished Blue Lepidolite specimen BL239 #googleimages Dimensions approximately 340 mm xBL239. Blue Lepidolite rough rock, cut and polished on one side with a natural weathered back. Dimensions approximately 100 mm x 80 mm x 25 mm thick Weighs 412 grams. Associated with quartz and feldspar. From near Yalgoo, Western Australia.