US$ 26.98
grinding or polishing as the matrix holding the pisolites (small round pebbles) is in many cases quite soft
Mostly plain petrified wood but one Teredo bore hole is visible
The original structure with annular rings visible in this piece
Weighs 479 grams
Dimensions at widest points approximately 70 mm x 70 mm x 30 mm thick
Azurite Sun AZ119 Polished Rhodonite grinding or polishing as theAZ119 Azurite sun mineral specimen. Dimensions at widest points for entire specimen approx. 80 mm x 70 mm x 30 mm thick. Weight is 190 grams. The matrix that this copper based mineral forms on is kaolinite. From Malbunka copper mine in Northern Territory, Australia.
US$ 26.98
US$ 32.98
US$ 29.98
US$ 69.95
US$ 25.00