360° VIEW
 - VIDEO

Ethiopian Black Opal, Cabochon, 0.59 ct

$130.00

This polished black opal is from the recently discovered deposit at Stayish mine near the town of Gashena. We source rough opals and cut and polish custom-made cabochons for jewelry companies and collectors.

External reference: GIA: New Deposit of Black Opal from Ethiopia, 2014, Opal Body Tone Scale.

Lot ID

OP-ET-P-77

Gem type

Black opal – non-hydrophane (does not absorb water)

State

Polished

Pieces

1

Weight

0.59 ct

Shape(s)

Cabochon

Length / width / depth

6.45 mm / 5.5 mm / 3 mm

Body tone

N1 (N1 – N4 are the black body tone types)

Brightness

2 (1 = brightest, 7= dullest)

Treatment

No treatment, 100% natural

Origin

Wollo, Ethiopia

References

GIA: New Deposit of Black Opal from Ethiopia, 2014

DEPOSIT CHARACTERISTICS

1. Black opal is found at the contact zone / stratum between volcanic rock and an underlying clay-rich layer;
2. This opal-bearing layer is contained in a single stratum and extends for c. 10-50 km along the mountain belt;
3. The black opal yielded is non-hydrophane and does not absorb water;
4. Extracted material generally comes as nodules and chunks that are 2–5 cm long; and
5. The colour patterns include: harlequin, patchwork, honeycomb etc..

BLACK OPAL DEPOSIT LOCATION

Click to activate map

Click to load the map.

Exhibit gems provides free worldwide shipping and takes great care for the shipment of packages to our customers around the world. We use a combination of world-class shipping companies based on your location and the value of the items. For more details about shipping, insurance and total landed cost calculations, please see our Shipping & Insurance page.
Category: Tags: ,