Yellow Calcite
Calcium Carbonate (CaCO3)
Category
Browse mineral; variety of quartz specimens identified by the Rock Identifier community.
Yellow Calcite
Calcium Carbonate (CaCO3)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Chert (specifically Tan Chert)
Chert (SiO2)
Tiger's Eye
Tiger's Eye (a variety of Chalcedony, which is a microcrystalline quartz with fibrous inclusions of oxidized crocidolite)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Jasper with Quartz Vein
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Quartz
Quartz (SiO₂)
Chert (White Chert)
Silicon Dioxide (SiO2)
Quartz (Variety: Citrine or Tumbled Chalcedony)
Silicon Dioxide (SiO2)
Chalcedony (Quartz Var.)
Silicon Dioxide (SiO2)
Red Jasper (possibly)
Jasper (a variety of Chalcedony, SiO2)
Rose Quartz
SiO2 (Silicon Dioxide with trace amounts of titanium, iron, or manganese)
Amazonite
K(AlSi3O8) - Microcline variant
Fuchsite Schist
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2) in Schist
Mixed collection of minerals and rocks (Jasper, Carnelian, Granite, and Quartz)
Silicon Dioxide (SiO2) with varying impurities for silicates and igneous aggregates
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Jasper
Silicon dioxide (SiO2)
Snakeskin Agate
Agate (Cryptocrystalline Quartz, SiO2)
Quartz (Rock Crystal) with minor impurities
Quartz (SiO2)
Sandstone (with possibly iron oxides and other minerals)
Sandstone
Jasper River Pebble
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Yellow Jasper
Silicon Dioxide (SiO2) with hydrated iron oxide impurities (Goethite)
Carnelian
Silicon dioxide (SiO2) with Iron Oxide impurities (Fe2O3)
Jasper (Mookaite variety likely)
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper
Silicon Dioxide (SiO2) - variety Jasper
Banded Agate
Silicon Dioxide (SiO2) - variety Chalcedony
Rose Quartz
Silicon Dioxide with trace inclusions (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese
Quartz (Milky or Cloudy variety)
Quartz (Silicon Dioxide, SiO2)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
White Agate (Chalcedony)
Agate (Silicon Dioxide - SiO2)
Chalcedony (Agate/Carnelian)
Cryptocrystalline Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Sandstone (Graywacke)
Clastic Sedimentary Rock (Lithic Sandstone)
Red Jasper
Jasper (Silica with Iron Oxide inclusions), SiO2
Quartz (Milky/Chalcedony variety)
Silicon Dioxide (SiO2)
Quartz (Smoky/Grey variety)
Silicon Dioxide (SiO2)
Citrine
Quartz (SiO₂)
Jasper Shard / Chert
Silicon dioxide (SiO2)