Onyx is a variety of gemstone that comes from Chalcedony – a silicate mineral, mostly made of calcite (similar to marble and granite), which usually features contrasting layers of colour.
Mexican Onyx Bowl
930 grams
H 58mm W 226mm D 145mm
Onyx is a variety of gemstone that comes from Chalcedony – a silicate mineral, mostly made of calcite (similar to marble and granite), which usually features contrasting layers of colour.
930 grams
H 58mm W 226mm D 145mm