Botryoidal Chalcedony – Large Dome Formation – Maharashtra, India sterling silver pendant In terms of composition

In terms of composition

From Kohistan

Fluorescent and phosphorescent calcite

When viewed with a back light (on one side) it looks as though there is a phantom inside

Botryoidal Chalcedony – Large Dome Formation – Maharashtra, India sterling silver pendant In terms of compositionA classic specimen of botryoidal chalcedony featuring a well formed larger dome and smaller chalcedony growths. The surface exhibits a smooth, natural luster with a soft reflective quality and subtle translucence. Formed within a volcanic cavity in the Deccan Traps, this piece represents stable silica deposition that allowed for the development of thick, rounded botryoidal forms. Natural surface variation typical of botryoidal chalcedony growth.