Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Category
Browse mineral specimens identified by the Rock Identifier community.
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Limonite (Iron Ore/Sandstone mixture)
Limonite (FeO(OH)·nH2O) often mixed with Goethite and sedimentary matrix
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz (Iron-stained or Rose variant)
Silicon Dioxide (SiO2)
Quartz pebble
Silicon Dioxide (SiO2)
Jasper (specifically Polychrome or Desert Jasper)
Silicon Dioxide with impurities (SiO2)
Quartz / Quartzite
Quartz (Silicon Dioxide, SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
White Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Blue Quartzite (Dyed)
Silicon Dioxide (SiO2) with inclusions
Quartz / Calcite Vein Rock
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
Quartz in Matrix (possibly with Biotite or Hornblende)
Quartz (Silicon Dioxide, SiO2) in Granitic Matrix
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
Chert (Jasper)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Vesicular Basalt with Lichen
Vesicular Basalt
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Yellow Aventurine (Yellow Quartzite)
Silicon Dioxide (SiO2) with inclusions
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Grain/Pebble)
Silicon Dioxide (SiO2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) in matrix
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Blue Quartzite (Aventurine variety)
Silicon Dioxide (SiO2) with inclusions of Dumortierite or Magnesio-riebeckite
Limonite (Iron Stone/Iron Ore)
FeO(OH)·nH2O (Hydrous ferric oxide)
Himalayan Pink Salt
Halite (NaCl) with trace minerals
Himalayan Pink Salt
Halite (NaCl) with trace minerals
Blue Lace Agate
Chalcedony (SiO2) with trace minerals
Granite
Granite (a felsic intrusive igneous rock)
Pyrite
Iron Disulfide (FeS2)
Goethite (Iron Ore)
Goethite (FeO(OH))
Native Copper with Malachite and Chrysocolla
Native Copper (Cu) with Malachite [Cu2CO3(OH)2] and Chrysocolla [(Cu,Al)2H2Si2O5(OH)4·nH2O]
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Malachite
Copper(II) carbonate hydroxide [Cu2CO3(OH)2]
Quartz Pebble
Crystalline Silica (SiO2)
Orthoclase Feldspar
KAlSi3O8 (Potassium aluminum silicate)
Quartz Pebble
Silicon Dioxide (SiO2)
Schist
Mica Schist
Quartz (Milky/Tan)
Silicon Dioxide (SiO2)