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Onyx is popular with its deep black color. It is used for cufflinks and carving of gems.

Color: Black
Mohs hardness: 6.5-7.0
Density: 2.58-2.64
Transparency: transparent, opaque
Fracture: muscular, uneven.
nameØtypeType of cutunititem No.
onyx3,0 mmreal, genuineRound ball1488630
onyx4.0 mmreal, genuineRound ball1488640
onyx5.0 mmreal, genuineRound ball1488650
onyx6.0 mmreal, genuineRound ball1488660
onyx7.0 mmreal, genuineRound ball1488670
onyx8.0 mmreal, genuineRound ball1488680
onyx10.0 mmreal, genuineRound ball1488600

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