Azurite Sun AZ120 rock block Green Opal occurs at a

Green Opal occurs at a location south of Kalgoorlie in the Eastern Goldfields of Western Australia

Dimensions at widest points approximately 200 mm  x 100 mm wide x 80 mm thick

TI268   Tiger Iron slab

The environment they grew in was most probably a sandy tidal flat or braided river channel

Dimensions at widest points approximately 115 mm x 100  mm x 18 mm thick

Azurite Sun AZ120 rock block Green Opal occurs at aAZ120 Azurite sun mineral specimen. Dimensions at widest points for entire specimen approx. 100 mm x 50 mm x 30 mm thick. Weight is 169 grams. The matrix that this copper based mineral forms on is kaolinite. From Malbunka copper mine in Northern Territory, Australia.