Grande opale grezzo grezzo 163,50 carati olio naturale etiope opale grezzo, opale di fuoco pietra preziosa
Variety: Ethiopian Opal (Welo Opal). Important Considerations for Natural Ethiopian Welo Opal Rough 100% Natural & Untreated: This opal is in its pristine, untouched state, just as it was unearthed.