Magnetite (Lodestone variety)
Magnetite (Fe3O4)
mineral
Category
Igneous, Metamorphic, And Sedimentary
Browse igneous, metamorphic, and sedimentary specimens identified by the Rock Identifier community.
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Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Magnetite with Quartz
Magnetite (Fe3O4)
mineral
Red Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Red Garnet (likely Almandine or Pyrope)
Garnet group: X3Y2(SiO4)3 (e.g., Almandine: Fe3Al2Si3O12)
mineral
Magnetite
Magnetite (Iron(II,III) oxide, Fe3O4)
mineral
Garnet (specifically Almandine)
Almandine - Fe3Al2(SiO4)3
metamorphic
Pyrite
Iron Disulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Blue Apatite
Apatite group (Ca5(PO4)3(F,Cl,OH))
mineral
Blue Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Hematite
Hematite (Α-Fe2O3)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Educational Geologic Collection
Mixed Mineral and Rock Collection (Various compositions)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Dalmatian Stone
Dalmatian Jasper (a misnomer) / Perthitic Igneous Rock
igneous
Banded Gneiss
Metamorphic Gneiss
metamorphic
White Quartz
Silicon Dioxide (SiO2)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Blue Apatite
Apatite, Ca5(PO4)3(F,Cl,OH)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite in Quartzite/Graphite Matrix
Iron Sulfide (FeS2)
Mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Labradorite (a variety of Feldspar)
Labradorite; (Na,Ca)(Al,Si)4O8 (a plagioclase feldspar)
igneous
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Graphite
Graphite (Native Carbon), Formula: C
Metamorphic
Banded Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Foliated Metamorphic Rock (likely Gneiss or Schist)
Gneissic Metamorphic Rock
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Kaolinite (Kaolin)
Kaolinite (Al2Si2O5(OH)4)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Honey Calcite
Calcium Carbonate (CaCO3)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Collection of Minerals and Ores
Various (e.g., Uraninite (U3O8), Carbon (C), Native Gold (Au), Hematite (Fe2O3), Galena (PbS), etc.)
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral