Madagascar Green Dendritic Opal 10mm Round - 15-16 Inch Gem House USA created when silica hardens within

created when silica hardens within the fissures of other stones

but has been used historically to describe the transparent variety

Apple Jasper carries the deep red to bright red hues of apples

which can be found throughout South and Southeast Asia

as well as with reconciling conscious and unconscious thought

Madagascar Green Dendritic Opal 10mm Round - 15-16 Inch Gem House USA created when silica hardens withinThis 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.