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Anthropogenic textile material
Non-geological
Category
Mineral (Man Modified)
Browse mineral (man modified) specimens identified by the Rock Identifier community.
Portable Ceramic Space Heater
Polished Acrylonitrile Butadiene Styrene (ABS) Plastic with Ceramic Heating Elements
not a rock (synthetic/industrial object)
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Pearl
Calcium carbonate (CaCO3) - mainly Aragonite with Conchiolin
mineraloid
Peridot
Olivine (Magnesium Iron Silicate), (Mg, Fe)2SiO4
mineral
Peridot
Olivine ((Mg, Fe)2SiO4)
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Diamond (or high-quality simulant like Cubic Zirconia)
Carbon (C) - Native Element
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz with Chlorite/Mica inclusions
Silicon Dioxide (SiO2) with inclusions
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Sandstone
Arenite (SiO2 with various cementing agents)
sedimentary
Pearl
Calcium Carbonate (CaCO3) - mainly Aragonite and Calcite
mineral
Rhodonite
Manganese silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn+2,Fe+2,Mg,Ca)SiO3
mineral
Pyrope Garnet
Magnesium aluminum silicate (Mg3Al2Si3O12)
mineral
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate)
mineral
Quartz Pebble (often referred to as 'Sea Glass' or 'River Stone' when worn smooth)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Azurite Geode
Azurite (Cu3(CO3)2(OH)2)
mineral
Native Gold
Gold (Au)
mineral
Sandstone
Arenite (SiO2 primarily)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Biotite (Black Mica)
K(Mg,Fe)3AlSi3O10(OH,F)2
mineral
Sandstone (Beach Pebble)
Clastic sedimentary rock (primarily Quartz and Feldspar)
sedimentary
Halite
Halite (NaCl)
mineral
Digital Multimeter (Synthetic Object)
Digital Multimeter (DMM)
not a rock
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Potassium Feldspar and Quartz
KAlSi3O8 (Potassium Feldspar) and SiO2 (Quartz)
mineral
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Sandstone
Sandstone (Sedimentary rock composed of silicate grains)
sedimentary
Olivine (Peridotite)
(Mg,Fe)2SiO4 (Magnesium Iron Silicate)
igneous
Quartz (Pale Rose or Milky Variety)
Silicon Dioxide (SiO2)
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Pink Feldspar
Orthoclase Feldspar (KAlSi3O8)
mineral
Sandstone
Arenite (SiO2 primarily)
sedimentary
Bauxite
Bauxite (Al(OH)3, γ-AlO(OH), and α-AlO(OH))
sedimentary
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Peridot (Olivine)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral