Wello Opal from Wello Province, Ethiopia. Thumb size clear precious opal. This opal tends to be hydr
Wello Opal from Wello Province, Ethiopia. Thumb size clear precious opal. This opal tends to be hydrophane (absorbs water), so it will develop small cracks if exposed to air for more than a few days. -- source link
#welo opal#wello opal#precious opal