Natural Extra Fine Black Onyx - Oval Flat Buff Top Drill Hole Cabochon AAA+

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Natural Onyx

Species: Chalcedony

Shape/Cut: Oval Flat Buff Top Cabochon - Single Bevel - SBBT - Drilled

Drill Hole: Center

Quality: AAA+

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)

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