Quartz (var: Chalcedony) / (var:Agate) / ("Grape Chalcedony / Grape Agate")

Quartz (var: Chalcedony) / (var:Agate) / ("Grape Chalcedony / Grape Agate")Simply one of the best examples weve seen from the locality. A fine quality specimen of the first order as this piece has everything one would want for the material. First, the rich purple hue is about as dark as any other specimen I can remember seeing of these so called "Grape Chalcedony Grape Agate specimens" from Indonesia. Secondly, the shimmering, almost "wet" looking vitreous luster is second to none in the lot. Thirdly, the size of the

with only spot near the top of the piece where it was contacted upon extraction from the pocket

Beautiful material and certainly different from your run of the mill petrified wood

rich golden color crystals with excellent gemminess / transparency and somewhat blocky form

Specimen #PREH3112

Here is a great old locality specimen of Vivianite from the Siglo XX mine in Bolivia

This Aquamarine specimen was mined by Richard Kosnar in the late 1970's and his diggings produced some of the finest color

the word copal is used to describe a hardened resinous substance which is found in an intermediate stage of hardening and polymerization between softer / "gummier" resins and amber

light green color

silvery colored crystals that glow a beautiful RED color when backlit - hence the term "Ruby Silver"

smooth and incredibly well-formed

nor a variety of Opal

The majority of the crystals are undamaged