Carnelian
Carnelian (a variety of Chalcedony, SiO ₂)
Mineral (specifically a variety of Chalcedony, which is a cryptocrystalline quartz)
Category
Mineralological Variety
Browse mineralological variety specimens identified by the Rock Identifier community.
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Carnelian
Carnelian (a variety of Chalcedony, SiO2)
mineral
Yellow Jasper
Jasper (variety of Quartz - SiO2)
sedimentary
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Mineral
Carnelian
Carnelian (variety of Chalcedony, SiO2)
mineral
Carnelian
Carnelian (a variety of Chalcedony, SiO₂)
Mineral
Amazonite
Amazonite (KAlSi3O8, a variety of Microcline)
Mineral
Graphic Granite
Graphic Granite (a variety of Pegmatite)
igneous
Sapphire (Corundum)
Corundum (Al2O3), variety Sapphire
Mineral
Amethyst Sphere
Crystalline Quartz (SiO2 with iron impurities)
mineral
Labradorite
(Ca, Na)(Al, Si)4O8
mineral
Picture Jasper
Silicon Dioxide (SiO2)
sedimentary
Gastly (Trick or Trade Halloween Series)
Cellulose-carbonaceous composite (Lignocellulose laminated with pigmentary polymers)
Mineral (Synthetic - Paper and Ink Polymorph)
Quartz (Milk or Clear Variety)
Silicon Dioxide (SiO2)
mineral
Chert (often referred to as Flint or Jasper when pigmented)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Brecciated jasper, possibly rainforest jasper
Jasper: microcrystalline to cryptocrystalline quartz, SiO₂, commonly containing hematite, goethite, chlorite, epidote, and other iron- and manganese-bearing minerals
gemstone
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
sedimentary
Dendritic Agate or Moss Agate Nodules (Septarian-like)
Chalcedony with mineral inclusions (SiO2)
sedimentary
Ocean Jasper
Spherulitic Chalcedony (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Red Jasper (Quartz)
Silicon Dioxide (SiO2) with Iron impurities
sedimentary
Chalcedony (likely common gray chalcedony)
Microcrystalline quartz, SiO₂
mineral
Honey-colored chalcedony (rough agate/chert)
Microcrystalline quartz, SiO₂; likely chalcedony with iron-oxide staining
mineral
Rose Quartz
Silicon dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides
sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Chert (Gray Chalcedony)
Microcrystalline Quartz (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral