Discover published sets by community

Chemical formula: KAl2(AlSi3O10)(F,OH)2, Hardness: 2-3, Uses: Insulators in electrical equipment, cosmetics, paint filler

Chemical formula: CaCO3, Hardness: 3, Uses: Cement production, agricultural soil treatment, pharmaceuticals

Chemical formula: CaF2, Hardness: 4, Uses: Production of hydrofluoric acid, flux in steelmaking, making opalescent glass

Chemical formula: SiO2, Hardness: 7, Uses: Glass making, gemstones, electronics

Chemical formula: KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8, Hardness: 6-6.5, Uses: Ceramics, glass production, as fillers

Chemical formula: CaSO4·2H2O, Hardness: 2, Uses: Plaster, wallboard, soil conditioning

Chemical formula: NaCl, Hardness: 2-2.5, Uses: Salt for seasoning and preservation, deicing roads

Chemical formula: Ca5(PO4)3(F,Cl,OH), Hardness: 5, Uses: Fertilizer, biological systems in teeth and bones

Chemical formula: PbS, Hardness: 2.5-2.75, Uses: Principal ore of lead, source of silver

Chemical formula: Mg3Si4O10(OH)2, Hardness: 1, Uses: Baby powder, as a lubricant, in sculpting

Chemical formula: Principally Al(OH)3, Hardness: 1-3, Uses: Principal ore of aluminum

Chemical formula: CuFeS2, Hardness: 3.5-4, Uses: Major ore of copper

Chemical formula: Fe2O3, Hardness: 5.5-6.5, Uses: Main ore of iron, pigment, radiation shielding

Chemical formula: ZnS, Hardness: 3.5-4, Uses: Main ore of zinc, used in galvanizing

Chemical formula: C, Hardness: 1-2, Uses: Pencil lead, lubricants, steel making

Chemical formula: General formula X3Y2(SiO4)3, Hardness: 6.5-7.5, Uses: Abrasives, gemstones, filtering media

Chemical formula: Fe3O4, Hardness: 5.5-6.5, Uses: One of the main ores of iron, magnetic recordings

Chemical formula: CaMg(CO3)2, Hardness: 3.5-4, Uses: Soil conditioning, building stone, refractories

Chemical formula: FeS2, Hardness: 6-6.5, Uses: Production of sulfur dioxide for paper industry, historical use as a flint for fire-starting