Stone(s): black obsidian
Color: black
Dimensions: 30mm x 20mm x 13mm
Approximate weight: 20 g
Precious metal: none – metal bail
Stone size: carved cabochon
Photos are non-contractual.
Classification: rhyolite group
Mohs hardness: 5.5
Density: 2.4
Origin: Mexico
Care instructions: no specific maintenance required.















