$55.00
M708: Grape Chalcedony (Manakarra Stone. Grape Agate). Locality: Mamuju area of Sulawesi Barat Province of Indonesia.
Select Specimen: Rough, natural.
Appearance: Botryoidal cluster of tiny purple “grapes” with a druzy top layer.
Approximate measurements: LxWxH – 2 7/8″ x 2 1/8″ x 3 7/8.
Availability: single specimen, 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 | .5 lbs |
|---|---|
| Dimensions | 2.875 × 2.125 × 3.875 in |
