4x6 mm Dendritic Opal Table Cut Corner Drilled Cube - 15-16 Inch Moss Jade has been used for

Jade has been used for tens of thousands of years

It was named and first described by the Greek philosopher and botanist Theosphrastus in 315 BCE

Azurite is a Copper carbonate mineral that forms in masses

Cuprite is a copper oxide mineral frequently found in association with copper deposits as well as azurite

sold a piece of Green Tourmaline to Tiffany & Co

4x6 mm Dendritic Opal Table Cut Corner Drilled Cube - 15-16 Inch Moss Jade has been used forThis variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, manganese and other metallic oxides captured during the forming of the rock. Opals are hydrated amorphous forms of silica, created when silica hardens within the fissures of other stones.