$28.00
GR108: South Dakota Chalcedony.
Locality: – South Dakota.
Selection: Rough.
Appearance: Locally sourced, high-quality material. This variety looks especially appealing slabbed and displayed under UV Light, as it fluoresces neon green. UV fluorescent (shot with uvBeast midwave 365nm(nanometer) Black Light UV flashlight).
Please note: Display photos are shot under various light settings, the last photo shot wet.
Approximate measurements: LxWxH –7 7/8″ x 5 1/2″ x 3 3/8″. Weight – 5 pounds.
Availability: single piece, exclusive
Out of stock
Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of the minerals quartz and moganite. Chalcedony 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 | 5.190 lbs |
|---|---|
| Dimensions | 7.875 × 5.5 × 3.375 in |
