Azurite Sun AZ194 Citron chrysoprase Dimensions at widest points approximately

Dimensions at widest points approximately 180 mm x 105 mm x 9 mm thick

IRR 131    Fossil stromatolite slab

OJ178  A rough rock

Dimensions at widest points approximately 300 mm x 250 mm  x 14

coated grains that grow as thin layers of lime mud accumulate around a tiny nucleus (such as a sand grain or shell fragment) under microbial influence

Azurite Sun AZ194 Citron chrysoprase Dimensions at widest points approximatelyAZ194 Azurite sun mineral specimen. Dimensions at widest points for entire specimen approx. 115 mm x 80 mm x 30 mm thick. Weight is 269 grams. The matrix that this copper based mineral forms on is kaolinite. From Malbunka copper mine in Northern Territory, Australia.