Opals Lapidary Gemstones Cabs Rough Jewelry grade CooberPedy OPALS inlay multi colored and pin fire rainbow cab rough gem stones chips lots Raw uncut lapidary jewelry cabs or possibly facet grade parcels Carat Weight : 20 carats ctw cts .75 - 3 ct range , will vary by each parcel or around 20 grams gr Quantity : around 10 to 12 per parcel Size length width height dome : average around 8 x 5 x 3mm some larger and some smaller ring , pendant , earring sized and inlay material Shape : odd shaped Color hue : Mix of Multi colored , Green , Blue , Red , Purple flash , pinfire , Cream White , Milky white and possibly some light yellow or light gray base and bluish or yellowish hued - picture taken with the stones dry from a sample lot , each will vary - When dry on some stones the colors are not as easy to see Clarity Quality : Typical with color play flashes , some will have a bit more of a layer of matrix but minimal for a number - not rubs but cleaned up/rub most of the matrix off , a few may be tumbled or partially tumbled Country of Origin : Coober Pedy , possibly other regions of Australia or Mexican Enhancement treatment : None raw uncut untreated - Australian region Natural gem stone Aussie Coober Pedy multicolored mixed creamy white based iridescent colored precious opal parcel around 10 - 15 stones per parcel - One of the most prized precious gemstones Product type : Jewels Use : Jewelry - grade rough stone for cabbers lapidary cutters for rings , pendants , necklaces , earrings , bracelets , drill for beads , etc. - not drilled
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