Green Calcite
Calcium Carbonate (CaCO3)
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Green Calcite
Calcium Carbonate (CaCO3)
Rough Diamond
Diamond (Native Element Carbon, C)
Magnetite / Hematite mix (Iron Ore)
Fe3O4 (Magnetite) / Fe2O3 (Hematite)
Granitic Pegmatite with Muscovite Mica
Pegmatite (containing KAl2(AlSi3O10)(OH)2)
Schist
Schist (various mineral compositions)
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
Anthracite Coal
Anthracite (Carbon-based metamorphic rock)
Serpentine
Serpentinite (complex of Mg, Fe, Ni, Al, Zn, Mn)Si2O5(OH)4
Chert (Yellow Jasper/Flint)
Silicon dioxide (SiO2) - Cryptocrystalline Quartz
Anthracite Coal
Anthracite (C)
Red Quartzite (Strawberry Quartz)
Quartzite (SiO2 with iron oxide inclusions)
Sandstone Chert/Quartzite
Silicon Dioxide (SiO2) - Sedimentary Sandstone / Orthoquartzite
Bornite
Bornite (Cu5FeS4)
Eroded Brick or Pumice-like Scoria
Vesicular Basalt / Scoria (Anthropogenic variant: Eroded Firebrick)
Green Moonstone (Garnierite)
Nickel-bearing Magnesium Silicate (often a mix of Serpentine and Talc/Chlorite groups)
Quartzite
Metamorphic Quartz (SiO2)
Quartzite
Quartzite (primarily Silicon Dioxide, SiO2)
Anthracite Coal
Anthracite C
Chert (Nodule)
Silicon dioxide (SiO2) - Cryptocrystalline Quartz
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Quartzite
Quartzite (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide)
Rose Quartz
Silicon Dioxide (SiO2)
Marble
Recrystallized Calcite (CaCO3) Rock
Chert (specifically Flint or Common Opal variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Chert (specifically Red Chert/Jasper nodule)
Microcrystalline Quartz (SiO2)
Pumice
Pumice (a highly vesicular extrusive volcanic rock)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (specifically Flint or Jasper variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Quartz River Pebble with Algae
Silicon Dioxide (SiO2) with organic biofilm
Chert (Flint)
Microcrystalline Quartz (SiO2)
Anthracite Coal
Anthracite
Diamond (in a metal ring setting)
Diamond (Pure Carbon, C)
Chert (specifically a nodule with Chalcendony/Agate banding)
Microcrystalline Quartz (SiO2)
Basalt
Basalt (Mafic volcanic rock)
Peridot (Olivine)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Satin Spar (Selenite)
Gypsum (CaSO4·2H2O)
Anthracite Coal
Anthracite (Carbon-based organic sedimentary rock exposed to metamorphic heat/pressure; Chemical composition is approximately 86%–98% Carbon)
Pumice
Pumice (a highly vesicular volcanic glass)
Chert (Gravel pebble)
Microcrystalline or Cryptocrystalline Quartz (SiO2)