Tiger's Eye (and Hematite/Jasper Matrix)
SiO2 (Pseudomorph of Quartz after Crocidolite) with Hematite/Magnetite
Category
Browse mineral (specifically a variety of quartz) specimens identified by the Rock Identifier community.
Tiger's Eye (and Hematite/Jasper Matrix)
SiO2 (Pseudomorph of Quartz after Crocidolite) with Hematite/Magnetite
Mica Schist
Schist (primarily muscovite and quartz)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Moss Agate
Silicon Dioxide (SiO2) with mineral inclusions of hornblende or chlorite
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Greenstone Porphyry
Porphyritic Metavolcanic Rock
Pink Granite
Granite (Felsic plutonic rock)
Yellow Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Red Sandstone (Hematitic)
Clastic sedimentary rock (SiO2 with Fe2O3 inclusions)
Shiva Lingam
Cryptocrystalline Quartz and Iron Oxide
Ruby in Zoisite
Anyolite
Agate
SiO2 (Silicon dioxide, cryptocrystalline quartz)
Chert (specifically Flint)
Microcrystalline Quartz (SiO2)
Quartz (Yellow/Citrine Variety)
Silicon Dioxide (SiO2)
Pink Granite
Granite (rich in Potassium Feldspar/Orthoclase)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Citrine (Yellow Quartz)
Silicon Dioxide (SiO2)
Milky Quartz (Micro-specimen)
Silicon Dioxide (SiO2)
Bumblebee Jasper
Fossiliferous Volcanic Rock (composed of Calcium Carbonate, Manganese Oxides, and Arsenic Sulfides)
Quartz
Silicon Dioxide (SiO2)
Blue Quartz (specifically Dumortierite Quartz)
Silicon Dioxide (SiO2) with inclusions of Dumortierite (Al7BO3(SiO4)3O3)
Pink Granite
Phaneritic Felsic Igneous Rock (composed primarily of K-Feldspar, Quartz, and Plagioclase)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Pink Granite
Phaneritic Felsic Igneous Rock (Granite)
Orange Calcite
Calcium Carbonate (CaCO3)
Quartz
Silicon Dioxide (SiO2)
Pink Granite
Felsic Plutonic Rock (primarily Quartz, Potassium Feldspar, and Plagioclase)
Quartz (Smoky/Milky Variety)
Silicon Dioxide (SiO2)
Sandstone Concretion
Clastic sedimentary rock (primarily Quartz SiO2)
Granite
Phaneritic Igneous Rock (Granite)