5 pcs Set, Red Onyx Round Shape Flat Cabochon Gemstone, Cabochon Gemstone, Flat Natural Onyx Gemstone For Jewelry Making,

Red Onyx Round Shape Flat Cabochon Gemstone, Cabochon Gemstone, Flat Natural Onyx Gemstone For Jewelry Making, 2 pcs Set Gemstone Name: Natural Red Onyx Gemstone Size-:See Variation (approx*) Gemstone Shape: Round Height-Custom (Otherwise 2-4mm) No. Of Pieces- See Variation -onyx is a silica mineral belonging to the quartz family. Within this family are two categories: macrocrystalline quartz, which are typical quartz stones like amethyst and citrine, and microcrystalline quartz. Onyx belongs to the latter, along with other gems like carnelian, jasper, and bloodstone. -Microcrystalline stones fall under the umbrella of chalcedony or chalcedonic quartz, too. Onyx is technically a subtype of chalcedony. -Onyx gemstone is the birthstone for the month of February, while it is the mystical stone for December.