$28.00
M803: South Dakota Chalcedony Crystal– Locality: South Dakota. Selection: Rough specimen.
Appearance: A great new find in the Badlands of South Dakota. Resembles a skull. UV fluorescent (shot with uvBeast 365nm(nanometer) Black Light UV flashlight).
Please Note: display photos are shot under various light settings. This mineral will fluoresce under a SW and LW UV light.
Approximate measurements: LxWxH – 2 1/4″ x 1 3/4″ x 2 3/8″.
Availability: single specimen, exclusive.
Out of stock
Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of the minerals quartz and moganite. It has a waxy luster and may be semitransparent or translucent. It can assume a wide range of colors, but those most commonly seen are white to gray, grayish-blue or a shade of brown ranging from pale to nearly black.
| Weight | .356 lbs |
|---|---|
| Dimensions | 2.25 × 1.75 × 2.375 in |
