A microcrystalline variety of silicon dioxide, chalcedony usually occurs as mammillary or botryoidal masses. The colors is highly variable, and may be white, blue, red, green, brown, or black.
Varieties of chalcedony include jasper, an opaque form; agate, a form with concentrie banding of different colors; moss agate, with dark dendritie patterns; chrysoprase, a green variety; and onyx, in which the banding is parallel.
Carnelian is red to reddish brown, and sard is light to dark brown. There is a white streak. Chalcedony is a transparent to translucent, or opaque mineral, and it has a vitreous to waxy luster.
There are 121 Chalcedony(s) organised in the following categories: Beads, Cabochon Lot, Cabochon Single, Facet Lot, Facet Single, Rough, gemstones.
Price of our Chalcedony range from USD 15.00 to USD 121.00 and all gemstones are 100% natural. No lab, created or synthetic gemstones.
We grade our stones with strict adherence to current GIA (Gemological Institute of America) standards for color, tone, hue, saturation and clarity and all gems are identified and graded only by GIA certified gemologists.
