$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. SW/UV fluorescent.
Please note: Display photos are shot under various light settings, the last photo shot wet.
Approximate measurements: LxWxH –8 1/2″ x 3″ x 4 5/8″. Weight – 6 1/4 pounds.
Availability: single piece, exclusive
In 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 | 6.300 lbs |
|---|---|
| Dimensions | 8.5 × 3 × 4.625 in |
