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Black Onyx

Black Onyx


Here’s a cool new item, Black Onyx from India.  The pieces measure approximately 3/4″ to 1 1/+” in varies shapes and sizes.  This material is overall good rock for the tumbler or use them as is for fountains and other decorative uses.

MOHS hardness scale of  7

  • Please note in the second photo we photographed the stones wet to show the color better.


Black Onyx is a banded variety of the oxide mineral called chalcedony. Therefore, it is made up of alternating parallel bands of color. Onyx can be sourced from many places around the world and has been used in artwork for centuries among many geographic areas. It has been utilized in anything from buildings to sculptures and, of course, hand-carved jewelry.

Additional information

Weight N/A
Dimensions N/A
Bag Size

1 Lb Black Onyx, 2 Lbs Black Onyx, 3 Lbs Black Onyx, 5 Lbs Black Onyx

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Keystone, SD 57751

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Information: 605-666-4813

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