8064

opal shell fossils

Category:	Opal Rough
Price:	USD $100
Opal Type:	Black
Stone Size:	32x28 mm
Weight:	23.00 Grams
Color:	potch
Shape:	rough
Stones:	2
Natural Opal Type:	Natural Opal Type 1 (Black)
Body Tone (Darkness):	N6 (Dark)
Transparency:	Opaque
Ask Peter About This Item
These pieces of black opal contain mainly unformed opal, or potch, but they are collectors items because they are a variety of opalized sea shells. An excellent addition to a rock or mineral collection.