Quartz (var: Chalcedony) / (var:Agate) / ("Grape Chalcedony / Grape Agate") Marcasite but this piece is even

but this piece is even more enticing as the some of the Quartz crystals have formed a "Faden" (German word for string) growth

What an eye-catching sulfide association specimen from the Black Cloud mine

and good pink Spinels are among the most coveted by collectors and dealers

Item #AFGH010

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

Quartz (var: Chalcedony) / (var:Agate) / ("Grape Chalcedony / Grape Agate") Marcasite but this piece is evenShimmering, rather vitreous luster combined with the beautiful violet colored spherical aggregates make this beautiful variety of Quartz from Indonesia a very pleasing overall specimen. This is why the material gets the nickname "Grape Chalcedony" or "Grape Agate". This piece really does resemble a bunch of grapes, as the isolation between each "ball" is noteworthy compared to others from the find. Its crystallized all the way around and is as close