Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Bicolor Quartz (Milk Quartz with Slag or Dark Inclusions)
Silicon Dioxide (SiO2) with impurities
Diamond (or Cubic Zirconia simulant)
Carbon (C) - Diamond / Zirconium dioxide (ZrO2) - CZ
Chlorite (Small Flakes/Sand)
Chlorite Group (Magnesium Iron Aluminum Silicate Hydroxide - (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)
Schist
Mica Schist (formula variable based on mineral content, typically containing [K,Al,Fe,Mg,Si,O,H])
Sandstone
Arenite (SiO2 principal composition)
Synthetic Resin Charm (Seal Shape)
Polymer Resin with plastic glitter / Polyethylene terephthalate glitters
Quartz Pebble (Iron-Stained)
Crystalline Silicon Dioxide (SiO2)
Greenschist
Chlorite schist
Anthracite Coal
Anthracite (Carbon)
Granitic Pegmatite
Granite Pegmatite (coarse-grained intrusive igneous rock)
Pegmatite (Granitic)
Granitic Pegmatite
Sandstone (Ferruginous)
Arenite with Iron Oxides
Granitic Pegmatite with Schorl
Granitic Pegmatite (NaAlSi3O8, KAlSi3O8, SiO2) with Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Copper Ore (likely Malachite or Chrysocolla staining)
Copper Secondary Mineral (e.g., Cu2CO3(OH)2)
Quartz or possibly Jasper/Chert. Looks like a tumbled or water-worn stone.
SiO2 (Silicon Dioxide)
Corundum (Sapphire/Ruby in Matrix)
Aluminium oxide (Al2O3)
Granite Pegmatite with Tourmaline and Muscovite
Pegmatite (Feldspar: KAlSi3O8, Quartz: SiO2, Schorl: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH))
Epidote
Epidote - Ca2(Al2,Fe3+)3(SiO4)3(OH)
Iron Meteorite
Iron-nickel alloy (primarily kamacite and taenite)
Red Garnet (likely Almandine or Pyrope)
Garnet group: X3Y2(SiO4)3 (e.g., Almandine: Fe3Al2Si3O12)
Luminous Stone (Glow-in-the-dark Synthetic/Man-made Stone)
Strontium Aluminate tinted glass or resin (Crystalline silicate/oxide mix)
Pegmatite (Granitic) with Tourmaline
Granitic Pegmatite (containing Schorl and Quartz)
Bauxite
Bauxite (mixture of Gibbiste Al(OH)3, Boehmite ̳-AlO(OH), and Diaspore ́-AlO(OH))
Bornite (Peacock Ore)
Bornite (Copper iron sulfide - Cu5FeS4)
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
Hypersthene
(Mg,Fe)SiO3 - Enstatite-Ferrosilite series
Pink Orthoclase Feldspar with Dendrites
Orthoclase (KAlSi3O8) with Manganese Oxide dendrites
Mica in Quartz Host
Muscovite (KAl2(AlSi3O10)(OH)2) in Quartz (SiO2)
Crushed Stone (Gravel/Aggregates)
Crushed rock aggregate (varied composition including Granite, Limestone, and Quartz)
Granite Pegmatite
Phaneritic Felsic Igneous Rock (Granite)
Silicon
Silicon (Si)
Quartz Vein in Host Rock
Quartz (SiO2) in metamorphic host rock (likely schist or phyllite)
Note: Item is not a geological specimen
Guitar Components (Steel, Nickel, Plastic, Wood)
Limonite (Iron Ore)
Limonite (̑FeO(OH)·nH₂O)
Pegmatite
Granitic Pegmatite
Pyrope Garnet
Magnesium aluminum silicate (Mg3Al2Si3O12)
Arsenopyrite with Quartz
Arsenopyrite (FeAsS)
Ruby
Corundum (Aluminium Oxide with Chromium impurities, Al2O3:Cr)
Anthracite Coal
Anthracite (Carbon-rich metamorphic coal)
Desert Rose
Gypsum or Barite (CaSO4·2H2O or BaSO4)
Potassium-Rich Silicate Clay (inferred from biological context)
Phyllosilicate group (likely Illite or Smectite within surrounding soil substrate)