Black Onyx Lot, Cabochon, Untreated — 14 Pieces, 15mm To 37mm, 430 Ct, Madagascar

This Black Onyx lot brings together 14 pieces ranging 15mm To 37mm, untreated.

Stone: Black Onyx
Carat Weight: 430 Ct
Dimensions: 15mm To 37mm
Number of Pieces: 14
Treatment: Untreated
SKU: WSG22-06SH/GI

Sourced from Madagascar, a major origin for black onyx.

Certified. Certificate included with purchase.

Black Onyx carries a reputation for strength and self-control. Sized at 15mm To 37mm, this works comfortably as a jewelry-setting stone.