Calcite
Calcium Carbonate (CaCO3)
Category
Browse sedimentary (secondary mineral) within igneous specimens identified by the Rock Identifier community.
Calcite
Calcium Carbonate (CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Chalcedony (Agate/Carnelian variant)
Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2) in sedimentary host rock
Quartz Geode
Silicon Dioxide (SiO2)
Basalt Pebble with Quartz Inclusion
Basalt (SiO2 with Fe, Mg silicates) with Quartz (SiO2)
Ferruginous Quartz
Silicon Dioxide with Hematite/Limonite inclusions (SiO2 + Fe2O3)
Quartz Geode
Silicon Dioxide (SiO2) within Sedimentary host rock
Quartz Geode
Silicon Dioxide (SiO2) in a Secondary Sedimentary/Volcanic cavity
Basalt with Plagioclase or Quartz Inclusion
Melanocratic Basalt with Porphyritic Inclusion
Ferruginous Quartz
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)
Blue Celestite (with Galena)
Strontium sulfate (SrSO4) and Lead sulfide (PbS)
Quartz Geode
Silicon Dioxide (SiO2)
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Specular Hematite
Hematite (Fe2O3)
Quartz Geode
Silicon Dioxide (SiO2) within a secondary sedimentary structure
Orange Calcite
Calcium Carbonate (CaCO3)
Hematite
Iron(III) oxide (Fe2O3)
Chert Pebble with Quartz Veins
Microcrystalline Quartz (SiO2)
Chert with Quartz Vein
Microcrystalline Quartz (SiO2)
Amygdaloidal Basalt
Extrusive Igneous Rock with Amygdules
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic Volcanic Rock)
Calcite
Calcium Carbonate (CaCO3)
Hematite (Iron Ore)
Hematite (Fe2O3)
Yellow Chalcedony (Agate Pebble)
Silicon Dioxide (SiO2)
Yellow Ocherous Siltstone (Limonitic Shale)
Limonitic Siltstone / Goethite-rich Sedimentary Rock
Basalt (Vesicular)
Vesicular Basalt
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Turquoise
Turquoise (CuAl6(PO4)4(OH)8·4H2O)
Turquoise
Turquoise, CuAl6(PO4)4(OH)8·4H2O
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Turquoise
Turquoise - CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Limestone with Calcite Veins
Calcium Carbonate (CaCO3)
Ferruginous Sandstone (Gozzan)
Iron-rich clastic sedimentary rock with Limonite/Goethite
Gold Nugget
Native Gold (Au)
Quartz with Matrix
Silicon Dioxide (SiO2)
Quartz Geode
Crystalline Quartz (Silicon Dioxide, SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Green Calcite
Calcium Carbonate (CaCO3)