Natural Extra Fine Black Onyx - Round Cabochon - AAA+ Grade

 Natural Gems Only:

100% Earth Mined

No Synthetics, No Simulants

Full Disclosure of Any Treatments

MM size is the best measurement to select the right gemstone size. All gem carat weights are approximate.

100% Satisfaction Guarantee - Superior Quality - Free Matching Service

Gemstone Report

Natural Onyx

Species: Chalcedony

Shape/Cut: Round Cabochon

Clarity: Clean +

Color: Extra Fine Black

Polish: Excellent

RI: 1.535-1.539

Specific Gravity: 2.6

Hardness (Mohs): 6.5-7

Treatment: Dyed (Standard)

Guarantee

100% satisfaction guaranteed. We back this gemstone with a no questions asked 30 day return policy.