Madagascar Green Dendritic Opal 6mm Round - 15-16 Inch R1180 Enjoy these rare and exotic

Enjoy these rare and exotic stones in their natural form

where the stones are thought to have been originally found

Terahertz is a spectacular man made ore

The most common members of the feldspar group are the plagioclase feldspars and the alkali feldspars

and forms within a host rock such as ironstone or sandstone

Madagascar Green Dendritic Opal 6mm Round - 15-16 Inch R1180 Enjoy these rare and exoticThis 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.