Madagascar Dendiritc Green Opal 10mm Round A Grade - 15-16 Inch Green Quartz Discovered in 1910 on the

Discovered in 1910 on the west coast of Tasmania

It is not a granite

com originate in the Philippines or Indonesia

and comes in a range of other colors

thought to be derived from trace amounts of titanium

Madagascar Dendiritc Green Opal 10mm Round A Grade - 15-16 Inch Green Quartz Discovered in 1910 on theThis 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.