Stone(s): black obsidian
Color: black with iridescent highlights ranging from green to violet
Dimensions: 50 mm x 33 mm
Approx. weight: 16 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 advice: no specific care required. The massage roller can be cleaned with a damp cloth.

















