Madagascar Green Dendritic Opal 10mm Round - 15-16 Inch Agate10mm and pattern

and pattern

but can be distinguished by its structure and its lower relative hardness

Its name derives from the Sinhalese word “turamali

and can even be used to cut Beadalon Jewelry Cable up to

white and reddish brown in speckles

Madagascar Green Dendritic Opal 10mm Round - 15-16 Inch Agate10mm and patternThis 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.