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Celestite
Celestite
Rockwood, Michigan
Danburite rough and cut
Danburite rough and cut
San Luis Potosi, Mexico
Olmiite on matrix
Olmiite on matrix
N Chwanning II Mine, Kuruman, Republic of South Africa
Corundum Var. Sapphire
Corundum Var. Sapphire
Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka
Spinel (rough and cut)
Spinel (rough and cut)
Mogok, Sagaing District, Mandalay Division, Burma (Myanmar)
Tourmaline var. Uvite with Magnesite and Quartz
Tourmaline var. Uvite with Magnesite and Quartz
Brumado, Bahia, Northeast Region, Brazil
Opal

Opal

sold
Locality
Shoa valley, Ethiopia
Minerals
Opal
Dimensions
2.0 x 1.6 x 1.1 cm
Size class
Thumbnail
SID
OPAL11

Although opal has been found in Ethiopia for many years, this new deposit also known as 'desert opal,' can be brilliant and colorful. Desert opal has been known to develop internal fractures. For good pieces like this one, we let it 'dry out' for several months. We have cut a number of stones from this material, in which case we let the stones 'rest,' for a year, just to make sure it hasn't developed any crazing. This stone is solid, without any problems, and is a fine example of this spectacular new deposit.

It shows red and green primarily. It weighs 14.6 carats.

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