Onyx Property
Onyx is translucent or opaque with a matte luster and is generally black with regular white stripes, unlike agate, which is distinguished from onyx by its more chaotic stripes. Sardonyx is a variant, with the regular white stripes of onyx but the red-brown color of sardony. Black onyx is in high demand and comes in a variety of cuts and shapes and is favored by most jewelry designers.Features of Onyx Beads
Crystallography:Hexagonal Mohs hardness: 7 Birthstone: August Typical treatments: Dyeing, Heat Treatment Occurrence: Uruguay / Brazil, etc.


![[Video] Onyx Rund 3mm 1 Strang Perlen (ca. 15 Zoll/37 cm)](http://store.kenkengems.com/cdn/shop/files/1_bcb2ced2-3d0d-40cd-b16a-644cc415ae52.jpg?v=1783214953&width=1280)
![[Video] Onyx Rund 3mm 1 Strang Perlen (ca. 15 Zoll/37 cm)](http://store.kenkengems.com/cdn/shop/files/2_ae143d4a-304f-4ef7-a455-1528bd413652.jpg?v=1783214967&width=1280)