Dendritic Opal 6mm Hexagon - 15-16 Inch latest-6x8cube Sage Agate forms in volcanish

Sage Agate forms in volcanish ash

The Zachery Process is the only turquoise process technology out there that is recognized as a natural treatment by the GIA in the US as well as international gem standards

These “needles” usually appear golden

It is a rare occurrence to find gem-grade hackmanite

grossular (varieties of which are hessonite or cinnamon-stone and tsavorite)

Dendritic Opal 6mm Hexagon - 15-16 Inch latest-6x8cube Sage Agate forms in volcanishThis 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.