Jasper types with pictures1/18/2024 Aventurine is most often green but may also be other colors such Mica, Hematite, or Goethite scales which cause a glisteningĮffect. Opaque, compact Quartz / Chalcedony containing small For individual varieties, see the Agate mineral page. Varieties specific to Agate, Jasper, Onyx, and Tiger's Eye are listed separately. See the Tiger's Eye gemstone page for more details. Tiger's Eye is famous for its chatoyant effect and glistening sheen. Pseudomorph of compact Quartz after the fibrous mineral Crocidolite. The related Sardonyx has parallel bands of brownish to red alternating with white or sometimes black bands. Sard is the brownish to brownish-red, transparent to translucent variety. See the Onyx gemstone page for more details. May describe solid black Chalcedony, banded black and white Chalcedony (usually in parallel banding), or any Chalcedony with a black base and white upper layer. See the Jasper gemstone page for more details. Opaque form of brown, often multicolored, spotted, or speckled. See the Chrysoprase gemstone page for more details. See the Carnelian gemstone page for more details.Īpple green variety one of the more popular gemstone forms of Chalcedony. Some forms of Carnelian are heat treated to darken the lighter See the Bloodstone gemstone page for more details. See the Aventurine gemstone page for more details.ĭark green to greenish blue variety speckled with red or brown spots. Opaque, compact form, most often green in color, containing small Mica, Hematite, or Goethite scales which cause a glistening effect. See the Agate gemstone page for more details. All Agates contain distinctive patterns, which make each Agate different from the next. Agate itself has many different known varieties. Multicolored banded variety, and the most well-known and unique form of Chalcedony. The classic Chalcedony varieties are described below: In blue Chalcedony, the deeper the color, the more desirable the gemstone. Some forms of Chalcedony, such as Chrysoprase, are intensely colored, while others are light. The variety Agate is a multicolored form, well known for its distinctive banding patterns. White, Blue, Red, Green, Yellow, Orange, Brown, Pink, Purple, Gray, Black, Banded, MulticoloredĬhalcedony is found in all types of colors, and its varieties are named based on color.
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