Opal Stone
Precisely how opals form is still a mystery to science. "Opale (Ethiopie) 5," photo by Géry Parent. Licensed under CC By-SA 3.0.
Article: How Do Opals Form?
Credit: Géry Parent
Gemstone | Opal Stone |
Natural or man made | Natural |
Origin | Ethiopia |
Gem State | Rough |
Color | Orange |
Transparency | Translucent |
Photo phenomena | Play of Color |