Natural Extra Fine Black Onyx - Heart Flat Buff Top Cabochon AAA+

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Gemstone Report

Natural Onyx

Species: Chalcedony

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

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)

Origin: Brazil

Guarantee

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