Calcite on Siderite - Specimen isle of sheppey Indonesian Purple Chalcedony is typically

Indonesian Purple Chalcedony is typically found in volcanic environments

and cutting through the noise a bit

Often used in jewelry

is a barium sulfate mineral known for its high specific gravity

The exact mine for this loose crystal cannot be confirmed from photographs alone

Calcite on Siderite - Specimen isle of sheppey Indonesian Purple Chalcedony is typicallyMined from: Kaiwu Mine, Hezhang County, Bijie, Guizhou Province, China Description: This one of a kind Calcite on Siderite mineral specimen from China features a low, plate like formation covered in olive brown to golden brown Siderite crystals, with a strong bladed and stacked crystal habit across the display face. The piece has a natural pocket like shape, with glassy to lightly metallic looking brown crystals lining the surface and contrasting