
Knowledge area
Minerals, Ores & Industrial Materials
A sourced technical knowledge centre covering industrial minerals, metallic ores and process materials, with grinding, drying, classification, screening and ore-preparation behaviour kept technically distinct.
Articles
Technical explanations and selection logic.
Carbonate minerals and rocks
Understand calcite, the distinction between natural calcium carbonate, GCC and PCC, and the grinding and classification decisions behind micronized products.
Read03Limestone: Properties and Industrial ProcessingReview limestone as a carbonate rock, including compositional variability, crushing, grinding, screening and its role as an industrial and cement raw material.
Read04Dolomite: Mineral, Dolomitic Rock and ProcessingDistinguish the dolomite mineral from dolomitic rock and review industrial uses and composition-controlled grinding and classification.
Read12Marble: Carbonate Rock, By-product and Grinding ContextReview marble as a metamorphic carbonate rock, separating dimension stone from marble powder or slurry and examining calcium-carbonate recovery and process quality.
Read09Magnesite: Properties, Calcination and Feed PreparationReview magnesite, magnesia and refractory context, and crushing, screening and grinding inputs before calcination.
ReadOther industrial minerals
Review barite's high-specific-gravity character, its sourced role in drilling fluids and a grinding approach controlled by particle size and purity.
Read08Talc Mineral: Properties, Commercial Grade and MillingUnderstand talc's platy structure, the distinction from commercial talc grade, and fine grinding controlled by impurities and particle form.
Read10Gypsum: Properties, Calcination and GrindingDistinguish gypsum from calcined plaster and review crystal water, the drying-calcination boundary and size-controlled feed preparation.
Read22Mica: Mineral Group, Grinding and Particle ShapeUnderstand the mica mineral group, wet and dry grinding, preservation of platy particle shape and the decisions behind industrial powder preparation.
Read25Wollastonite: Properties, Particle Shape and GrindingUnderstand wollastonite as calcium metasilicate, the value of acicular particles, ceramic and filler uses, and morphology-aware grinding decisions.
Read26Fluorite (Fluorspar): Properties and ProcessingDistinguish fluorite mineral identity from the commercial term fluorspar, grade-dependent uses and grinding, classification and beneficiation decisions.
Read27Phosphate Rock: Mineralogy and ProcessingUnderstand phosphate rock as an apatite-bearing rock and raw material, and the boundaries between beneficiation, drying, grinding and fertilizer-feed preparation.
ReadClays and aluminosilicates
Explore the feldspar mineral group, its role in ceramic and glass formulations, iron-contamination sensitivity and dry or wet grinding choices.
Read06Bentonite: Types, Water Behaviour and ProcessingReview bentonite as a montmorillonite-rich clay, sodium and calcium types, moisture and swelling behaviour, and drying and grinding decisions.
Read07Kaolin: Mineralogy, Applications and ProcessingDistinguish kaolin from kaolinite and review brightness, impurity control, wet or dry beneficiation, grinding and classification.
Read15Zeolite: Mineral Group, Adsorption and ProcessingReview zeolites as a group of porous aluminosilicates, separating natural and synthetic products and covering adsorption, ion exchange and sizing.
Read23Vermiculite: Raw, Exfoliated and Processed ProductsDistinguish raw and exfoliated vermiculite, thermal exfoliation, drying, screening and classification, and the decisions that preserve product structure.
Read24Sepiolite: Clay Mineral, Properties and ProcessingExplore sepiolite's fibrous clay-mineral morphology, sorptive and rheological behaviour, Turkish context, and drying, grinding and screening decisions.
ReadSiliceous and volcanic materials
Separate silica, quartz and silica-sand concepts and review washing, screening, classification, drying and silica-flour processing decisions.
Read13Perlite: Raw Perlite, Expansion and SizingDistinguish raw and expanded perlite, the role of bound water in thermal expansion, and particle protection during crushing, screening and milling.
Read14Pumice: Porous Structure, Uses and Size PreparationReview pumice's naturally porous volcanic structure, low bulk density and crushing and screening for aggregate, abrasive or fine-product duties.
Read16Diatomite: Porous Siliceous Rock and ProcessingReview diatomite's biogenic, finely porous siliceous structure and its filter-aid, absorbent and filler applications with careful drying and milling.
ReadProcess materials and industrial by-products
Review clinker as a cement intermediate rather than a mineral, including post-cooling grinding, gypsum and other additions, PSD and temperature control.
Read21Cement Raw Materials: Raw-Meal Preparation and ControlReview cement raw materials as a proportioned system rather than one mineral, covering limestone, clay and corrective components, crushing, drying, grinding and homogenisation.
Read18Blast Furnace Slag: Cooling, Granulation and GrindingReview blast-furnace slag as an ironmaking by-product, separating air-cooled and granulated routes and covering drying and fine grinding.
Read19Steel Slag: Aging, Metal Recovery and ProcessingReview steel slag as a steelmaking by-product, including free lime and volume stability, aging, crushing, screening and magnetic metal recovery.
Read20Fly Ash: Source Variability, Fineness and ClassificationReview fly ash as a combustion-derived industrial by-product rather than a natural mineral, including source variability, carbon, fineness, screening and air classification.
ReadMetallic ores
Understand hematite and magnetite iron ores and the role of crushing, grinding, screening, classification and preparation before beneficiation.
Read29Gold Ore: Mineralogy, Liberation and Ore PreparationReview free gold, sulfide associations, crushing, grinding, classification and liberation before downstream gold beneficiation.
Read30Copper Ore: Preparing Sulfide and Oxide OresCompare sulfide and oxide copper ores, including chalcopyrite, grinding, liberation and preparation for downstream beneficiation routes.
Read31Lead Ore: Galena, Liberation and PreparationReview galena-bearing lead ore, its association with zinc and other sulfides, and grinding, liberation and preparation before beneficiation.
Read32Zinc Ore: Sphalerite, Mineralogy and Ore PreparationUnderstand sphalerite-bearing zinc ore, iron substitution, association with lead sulfides and the implications for grinding, liberation and preparation.
Read33Lead-Zinc Ore: Selective Liberation and PreparationReview galena-sphalerite association in lead-zinc ores, selective liberation, grinding, classification and preparation for downstream separation.
Read34Silver Ore: Carrier Minerals and Ore PreparationUnderstand native silver and silver-bearing minerals, their association with lead, zinc and gold systems, and the implications for grinding and liberation.
Read35Chromite / Chromium Ore: Liberation and Size PreparationReview chromite as the principal chromium ore mineral and the role of density, particle size, liberation and preparation before beneficiation.
Read36Manganese Ore: Oxide, Carbonate Minerals and PreparationReview manganese oxide and carbonate minerals, gangue separation, crushing, screening, grinding and preparation before beneficiation.
Read37Nickel Ore: Sulfide and Laterite Ore DifferencesUnderstand the mineralogical and process differences between sulfide nickel ores and laterites, including grinding, liberation and ore-preparation boundaries.
Read38Cobalt Ore: Copper-Nickel Associations and PreparationReview cobalt as a co-product or by-product in copper and nickel ores, cobalt minerals and the mineralogical boundaries of ore preparation.
Read39Molybdenum Ore: Molybdenite, Copper Association and GrindingReview molybdenite-bearing ores, association with porphyry copper systems, platy particle behaviour and grinding-liberation decisions.
Read40Tungsten Ore: Scheelite, Wolframite and PreparationReview scheelite and wolframite tungsten ores, high density, brittleness, fine-particle loss and preparation for gravity or magnetic separation.
Read41Tin Ore: Cassiterite, Gravity Preparation and Fine ControlReview cassiterite tin ore, high density, brittleness, gravity separation and the risk of fine-particle losses during crushing and grinding.
Read42Antimony Ore: Stibnite, Gold Association and PreparationReview stibnite-bearing antimony ore, association with gold and other sulfides, brittleness, grinding-liberation and preparation for downstream beneficiation.
Read43Bauxite: Aluminum Ore, Mineralogy and PreparationReview bauxite mineralogy, gibbsite, boehmite and diaspore, plus crushing, screening, moisture-clay behaviour and preparation before Bayer refining.
Read44Lithium Ores: Spodumene, Lepidolite and Hard-Rock PreparationReview spodumene, lepidolite and petalite in hard-rock lithium ores, including crushing, grinding, sizing and preparation before chemical processing.
Read45Titanium Minerals: Ilmenite, Rutile and Ore PreparationReview ilmenite, rutile and titanium-ore preparation in heavy-mineral sands and hard rock, including sizing and downstream separation requirements.
ReadSpecialty industrial minerals and salts
Review flake, vein and amorphous graphite, with emphasis on liberation, grinding, classification and preparation before beneficiation.
Read47Boron Minerals: Borax, Ulexite, Colemanite and ProcessingReview borax, ulexite and colemanite in the context of ore preparation, size control, impurity management and process selection.
Read48Rock Salt and Halite: Properties, Sizing and ProcessingReview rock salt and halite in terms of crushing, screening, drying, solubility, moisture and target particle size.
Read49Potash and Potassium Salts: Minerals and ProcessingReview sylvite, carnallite and other potash salts in the context of crushing, sizing, solubility and preparation for beneficiation.
Read50Trona: Natural Soda Ash Feedstock and ProcessingReview trona as a natural soda-ash feedstock and the boundary between crushing, drying, sizing and downstream chemical processing.
Read51Sulfur: Natural and Recovered Sources, ProcessingReview native sulfur, sulfide-related and recovered sources, with emphasis on sizing, handling and process boundaries.
Read60Strontium and Celestite: Minerals, Properties and ProcessingReview celestite, the principal strontium ore mineral, in terms of particle size, impurities, grinding and product preparation.
Read61Kyanite, Andalusite and Sillimanite: Aluminosilicate MineralsReview kyanite, andalusite and sillimanite, their shared chemistry, different crystal structures and preparation for refractory raw materials.
Read62Industrial Garnet: Properties and ProcessingReview industrial garnet in terms of hardness, density, grain durability, crushing, classification and abrasive-product preparation.
Read63Nepheline Syenite: Properties, Grinding and Industrial UseReview nepheline syenite versus feldspar, its alkali-alumina chemistry, grinding, impurities and preparation for glass and ceramic use.
Read64Pyrophyllite: Properties, Difference from Talc and GrindingReview pyrophyllite versus talc, its aluminum-silicate chemistry, grinding, particle size and preparation for ceramic and refractory use.
Read65Sodium Sulfate: Mirabilite, Thenardite and ProcessingReview natural sodium sulfate, mirabilite versus thenardite, and the role of hydration, drying, sizing and product preparation.
ReadCritical and technology mineral resources
Review zircon and its role in heavy-mineral sands, focusing on particle size, separation, drying and product preparation.
Read53Rare-Earth Ores: Minerals and PreparationReview bastnäsite, monazite and ion-adsorption clays as rare-earth sources, focusing on mineralogical differences and ore preparation.
Read54Niobium-Tantalum Ores: Columbite-Tantalite and PreparationReview columbite-tantalite and related Nb-Ta minerals in terms of liberation, density contrast, particle size and ore preparation.
Read55Vanadium Ore: Sources, Mineralogy and PreparationReview vanadium in titanomagnetite, sandstone-type and byproduct sources, focusing on comminution, magnetic response and ore preparation.
Read56Beryllium Ores: Beryl, Bertrandite and PreparationReview beryl and bertrandite as beryllium sources, focusing on deposit type, liberation, comminution and downstream preparation.
Read57Platinum-Group Metal Ores: PGM Minerals and PreparationReview ores containing platinum-group metals such as platinum, palladium and rhodium, focusing on sulfide association, liberation and beneficiation preparation.
Read58Uranium Ore: Deposit Types, Minerals and PreparationReview uranium deposit types, minerals such as uraninite and the role of mechanical ore preparation before downstream processing.
Read59Cesium and Rubidium: Minerals, Sources and PreparationReview cesium and rubidium in pollucite, lepidolite and brine resources, focusing on mineral preparation and byproduct context.
Read66Bismuth Ore and Sources: Byproduct Context and PreparationReview bismuth as a byproduct of lead, tin and tungsten ore processing, with emphasis on mineral preparation and multi-metal context.
Read67Gallium: Bauxite, Zinc Sources and Byproduct RecoveryReview gallium in bauxite and zinc ores, why it is mainly a byproduct, and the limits of mechanical mineral preparation.
Read68Germanium: Zinc Ore, Byproduct Sources and PreparationReview germanium as a byproduct of zinc ore and other sources, focusing on sphalerite association and the limits of mineral preparation.
Read69Indium: Sphalerite, Zinc Ore and Byproduct SourcesReview indium in sphalerite and zinc-processing residues, focusing on mineralogical distribution and byproduct recovery context.
ReadMajor ore-forming minerals
Review hematite as Fe₂O₃, its role in iron ore, liberation, grinding and preparation before beneficiation.
Read71Magnetite: Magnetic Iron-Oxide Mineral and Ore PreparationReview magnetite as Fe₃O₄, its strong magnetic response, liberation, grinding and preparation before magnetic separation.
Read72Goethite: Iron Oxyhydroxide Mineral and Ore BehaviourReview goethite as FeO(OH), its relation to limonite, porous texture, fines generation and iron-ore preparation.
Read73Limonite: A Hydrated Iron-Ore Mixture Rather Than One MineralLearn why limonite is not a single mineral and review its goethite-rich, hydrated iron-oxide character, moisture and preparation behaviour.
Read74Siderite: Iron-Carbonate Mineral and Ore PreparationReview siderite as FeCO₃, how it differs from iron oxides, and the role of liberation and mechanical preparation before any thermal treatment.
Read75Pyrite: Iron-Sulfide Mineral, Ore Role and PreparationReview pyrite as FeS₂, its role in gold and base-metal ores, liberation, sulfide separation and oxidation-related considerations.
Read76Arsenopyrite: FeAsS Mineral, Gold Association and PreparationReview arsenopyrite as FeAsS, its possible association with refractory gold, distinction from pyrite and preparation before beneficiation.
Read77Chalcopyrite: Major Copper-Sulfide Mineral and Ore PreparationReview chalcopyrite as CuFeS₂, its role in copper ores, liberation, grinding and mechanical preparation before flotation.
Read78Bornite: Copper-Iron Sulfide Mineral and Ore PreparationReview bornite as Cu₅FeS₄, its association with chalcopyrite, enrichment zones, liberation and sulfide-ore preparation.
Read79Chalcocite: Cu₂S Copper-Sulfide Mineral and Ore PreparationReview chalcocite as Cu₂S, its role in supergene copper enrichment, associations with bornite and chalcopyrite, and ore preparation.
Read80Malachite: Oxidized Copper Mineral and Ore PreparationReview malachite as Cu₂CO₃(OH)₂, its occurrence in oxidized copper zones, differences from sulfide ores and mechanical preparation.
Read81Galena: PbS Lead Mineral and Ore PreparationReview galena as PbS, its high density, association with sphalerite, role in lead-silver ores and liberation requirements.
Read82Sphalerite: ZnS Zinc Mineral and Ore PreparationReview sphalerite as ZnS, its association with galena and sulfides, iron and trace-element content, liberation and flotation preparation.
Read83Pentlandite: Nickel-Iron Sulfide Mineral and Ore PreparationReview pentlandite as (Fe,Ni)₉S₈, its association with pyrrhotite and chalcopyrite, liberation and preparation of nickel-sulfide ores.
Read84Cobaltite: CoAsS Cobalt-Arsenic Mineral and PreparationReview cobaltite as CoAsS, arsenic-bearing cobalt mineralogy, sulfide/sulfarsenide associations and mechanical preparation.
Read85Molybdenite: MoS₂ Molybdenum Mineral and Ore PreparationReview molybdenite as MoS₂, its role in porphyry Mo and Cu-Mo ores, platy texture, liberation and flotation preparation.
Read86Cassiterite: SnO₂ Tin Mineral and Ore PreparationReview cassiterite as SnO₂, its high density and hardness, occurrence in hard-rock and placer ores, and preparation before gravity separation.
Read87Scheelite: CaWO₄ Tungsten Mineral and Ore PreparationReview scheelite as CaWO₄, its high density and fluorescence, occurrence in skarn/vein ores, liberation and preparation before gravity or flotation.
Read88Wolframite: (Fe,Mn)WO₄ Tungsten Mineral and PreparationReview wolframite as (Fe,Mn)WO₄, its high density, magnetic behaviour, vein/greisen occurrence and liberation requirements.
Read89Stibnite: Sb₂S₃ Antimony Mineral and Ore PreparationReview stibnite as Sb₂S₃, its role in antimony ores, possible gold association, brittleness, liberation and flotation preparation.
Read90Pyrolusite: MnO₂ Manganese Mineral and Ore PreparationReview pyrolusite as MnO₂, its role in manganese ores, porous or fine textures, gangue mineralogy and size preparation.
Read91Ilmenite: FeTiO₃ Titanium Mineral and Heavy-Mineral PreparationReview ilmenite as FeTiO₃, hard-rock and heavy-mineral-sand sources, magnetic/density behaviour and ore preparation.
Read92Rutile: TiO₂ Titanium Mineral and Heavy-Mineral PreparationReview rutile as TiO₂, its heavy-mineral-sand and hard-rock sources, differences from ilmenite, density and size-control requirements.
Read93Spodumene: Lithium Pegmatite Mineral and Ore PreparationReview spodumene as LiAlSi₂O₆, pegmatite mineralogy, quartz-feldspar-mica association, liberation and preparation before beneficiation.
Read94Monazite: Rare-Earth Phosphate Mineral and Heavy-Mineral PreparationReview monazite as an REE-phosphate mineral group, possible thorium content, placer and hard-rock sources, liberation and physical preparation.
Read95Bastnäsite: Rare-Earth Fluorocarbonate Mineral and PreparationReview bastnäsite as an REE fluorocarbonate mineral, carbonatite ore associations, liberation and physical preparation before flotation.
Read96Xenotime: YPO₄ Yttrium and Heavy-Rare-Earth MineralReview xenotime as YPO₄, its yttrium and heavy-REE content, association with zircon/monazite, and placer or hard-rock preparation.
Read97Columbite–Tantalite (Coltan): Niobium-Tantalum Mineral GroupReview the columbite-tantalite series, the term “coltan”, pegmatite and placer sources, high density and preparation for gravity/magnetic separation.
Read98Beryl: Be₃Al₂Si₆O₁₈ Beryllium Mineral and Pegmatite PreparationReview beryl as Be₃Al₂Si₆O₁₈, its pegmatite occurrence, distinction between gem varieties and industrial ore, and liberation requirements.
Read99Uraninite (Pitchblende): Uranium-Oxide Mineral and PreparationReview uraninite as a uranium-oxide mineral, the term pitchblende, deposit diversity, liberation and radiation-safety boundaries.
ReadConnected knowledge
Turn material knowledge into a process flowsheet.
Continue to the mineral-processing hub for plant flow, equipment selection and verified process boundaries.
Related equipment





