Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Category
Minerals
Browse minerals specimens identified by the Rock Identifier community.
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Jadeite (Jade)
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Jadeite (Jade Ring)
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Chert (with Limestone matrix)
Silicon dioxide (SiO2)
sedimentary
Sandstone (Ferruginous)
Arenite (Fe2O3 dominant staining)
sedimentary
Magnetite (or Magnetic Iron Ore)
Magnetite (Fe3O4)
mineral
Chert (Jasper)
Silicon Dioxide (SiO2)
sedimentary
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
White Jade / Jadeite
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Milky Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Yellow Chert (Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Honey Calcite
Calcium Carbonate (CaCO3)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Pink Granite
Phaneritic intrusive igneous rock (K-feldspar rich)
igneous
Sandstone (Ferruginous)
Arenite (with high iron oxide content)
sedimentary
Greenstone
Chlorite schist or Epidosite
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Anyolite (Ruby in Zoisite)
Zoisite with inclusions of Corundum; Ca2Al3(SiO4)3(OH) + Al2O3
metamorphic
Mica Schist
Mica Schist (Intermediate-grade Metamorphic Rock)
metamorphic
Olivine Basalt
Mafic Volcanic Rock (rich in (Mg, Fe)2SiO4)
igneous
Schist
Mica Schist
metamorphic
Quartz Geode (Smoky Quartz)
Silicon Dioxide (SiO2)
mineral
Jasper
Jasper (Silicon Dioxide, SiO2)
mineral
Quartz (Agate/Chalcedony variety)
Silicon Dioxide (SiO2)
mineral
Nephrite Jade
Ca2(Mg, Fe)5Si8O22(OH)2
metamorphic
Granite (River Cobble)
Granite (rich in feldspar, quartz, and biotite)
igneous
Black Freshwater Pearls
Biogenic Calcium Carbonate (Aragonite/Calcite), CaCO3
mineral
Serpentine
Antigorite, Lizardite, or Chrysotile (Mg, Fe)3Si2O5(OH)4
metamorphic
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Black Kyanite
Kyanite (Al2SiO5) with carbonaceous inclusions
mineral
Ferruginous Sandstone (Ironstone)
Clastic sedimentary rock (SiO2 with Fe2O3/FeO(OH) cement)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Vesicular Basalt (Scoria)
Vesicular Basalt
igneous
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
sedimentary
Basalt with Quartz/Calcite Inclusion
Aphanitic Mafic Igneous Rock (Basalt) with SiO2 or CaCO3 vein
igneous