Quartzite
Quartzite (SiO2)
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Quartzite
Quartzite (SiO2)
Kidney Stone
Calcium Oxalate (CaC2O4), Uric Acid, or Struvite
Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Ferruginous Sandstone (Ironstone)
Clastic Sedimentary Rock (composed of SiO2 with Fe2O3/FeO(OH) cement)
Possible iron-rich basalt or industrial slag
Basalt, likely Fe–Mg silicate rock; exact identification is uncertain from the blurred image
Fluorite
Calcium fluoride, CaF2
Fluorite
Calcium Fluoride (CaF2)
Green Fluorite
Calcium Fluoride (CaF2)
Copper Ore (with Malachite/Chrysocolla and Iron Oxides)
Secondary Copper Minerals (Cu2(CO3)(OH)2 / (Cu,Al)2H2Si2O5(OH)4·nH2O)
Fluorite
Calcium Fluoride (CaF2)
Chert (Lithic flake / Arrowhead fragment)
Microcrystalline Quartz (SiO2)
Slag Glass (Leland Blue variant)
Anthropogenic Vitreous Silicate
Green Fluorite
Calcium Fluoride (CaF2)
Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
Ironstone
Ferruginous Sedimentary Rock (composed of Goethite, Hematite, and Limonite)
Green Fluorite
Calcium Fluoride (CaF2)
Red Jasper (possibly Wonderstone)
Silicon Dioxide (SiO2) with iron oxide inclusions
Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
Milky Quartz
Silicon Dioxide (SiO2)
Ironstone (Limonite/Hematite)
Ferruginous Sedimentary Rock (composed largely of Fe2O3 and FeO(OH)·nH2O)
Anthracite Coal
Anthracite (Carbon Content 86–97%)
Orange Calcite
Calcite (CaCO3)
Green Fluorite
Calcium Fluoride (CaF2)
Fluorite
Calcium Fluoride (CaF2)
Green Fluorite
Calcium Fluoride (CaF2)
Fluorite
Calcium Fluoride (CaF2)
Charoite
K(Ca,Na)2Si4O10(OH,F)wH2O
Fluorite
Calcium Fluoride (CaF2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Chert (Jasper/Chalcedony)
Microcrystalline Silica (SiO2)
Stainless Steel Spoon
Iron-Chromium Alloy (Fe + Cr + Ni)
Milky Quartz
Silicon Dioxide (SiO2)
Fluorite (Green Fluorite on Host Rock)
Fluorite (Calcium Fluoride, CaF2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Fluorite (Rainbow Fluorite Point)
Calcium Fluoride (CaF2)
Ferruginous Sandstone (Ironstone)
Clastic sedimentary rock (SiO2 with Fe2O3/FeO(OH) cement)
Buffalo Nickel (Indian Head Nickel)
Cupronickel (75% Copper, 25% Nickel)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Green Fluorite
Calcium Fluoride (CaF2)
Bauxite / Iron-rich Laterite
Laterite (principally Al(OH)3, Fe2O3, and SiO2)