40 GRAM LOT - Rough Natural Ethiopian Opal / 9-25mm AVG Menu Rough Stones These inclusions also affect the

These inclusions also affect the crystal formation

Quality Vvs quality

black lustrous graphitic coal composed of fossilized decayed plant material

and titanium that replace silicon molecules in the crystal lattice while it forms

The resulting temperature shock causes small fractures to form inside the quartz

40 GRAM LOT - Rough Natural Ethiopian Opal / 9-25mm AVG Menu Rough Stones These inclusions also affect theRough Natural Ethiopian Opal Origin: Ethiopia Pieces measure approximately 9 to 25 millimeters (AVERAGE SIZE) The picture is an example ONLY. This listing is for a 100% natural product. Please allow for variation in size, shape, color, and formation. Randomly selected gemstones, cherry picking requests can not be fulfilled. CRYSTAL RIVER GEMS WHOLESALE BULK **Fast domestic and international shipping**