WOblue-P61.3gm1.97 Ounce (61.3 Gram) Rough Saturated Blue Welo Opal Parcel
Black manganese deposits on the surface of rough Welo opals produces saturated blue colors. These are highly prized rough Welo opals and a 2 kilo shipment from Ethiopia may only produce 2 ounces of this blue material.
1.97 ounces/61.3 grams. Scale=20mm.
Category: Rough Opals > Ethiopian Welo Opals > Small Parcels