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Ethiopian White Opal, Cabochon (Parcel), 7.57 ct

$230

These polished white opals are from the opal deposits at Wegel Tena and Mezezo in Wollo province, Ethiopia. This region is producing word-class opals and its market share is growing against the Australian variety. We source rough opals and cut and polish custom-made cabochons for jewelry companies and collectors.

White opals from Wegel Tena and Mezezo are hydrophane (water-loving) which means this material absorbs water and appearance will turn cloudy when submerged in water or exposed to humid environments. This material returns to its original state when dried.

External reference: GIA: Play-of-Color Opal from Wegel Tena, Wollo Province, Ethiopia, 2008.

Lot ID

OP-ET-P-42

Gem type

White opal – hydrophane (absorbs water)

State

Polished

Pieces

4

Weight

7.57 ct

Shape(s)

Cabochon

Length / width / depth

N/A

Body tone

N8 (N7 – N9 are the white body tone types)

Brightness

2 (1 = brightest, 7= dullest)

Treatment

No treatment, 100% natural

Origin

Wollo, Ethiopia

References

GIA: Play-of-Color Opal from Wegel Tena, Wollo Province, Ethiopia, 2008

DEPOSIT CHARACTERISTICS

1. White opal can be found at Wegel Tena, Wollo Province, Ethiopia;
2. This opal-bearing layer is within a volcanic rock region, close to the top of a plateau at 3,500 meters altitude;
3. The white opal yielded is porous and absorbs water (hydrophane);
4. Large quantities of gem-quality material is available and extracted material generally comes as nodules and chunks that are 2–5 cm long; and
5. The material has white base with a vivid play-of-colour.

WHITE OPAL DEPOSIT LOCATION

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