Agate (Chalcedony Variation)
Silicon Dioxide (SiO2)
Category
Browse mineral with metamorphic or igneous host specimens identified by the Rock Identifier community.
Agate (Chalcedony Variation)
Silicon Dioxide (SiO2)
Druzy Quartz on Limestone
Silicon Dioxide (SiO2)
Sandstone (with Lichen)
Arenite (composed primarily of SiO2)
Fluorite in Host Rock
Calcium Fluoride (CaF2)
Corundum (Sapphire and Ruby)
Aluminum Oxide (Al2O3)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Rough Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Clear Quartz
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Moonstone
Orthoclase Feldspar (formula: (K,Na)AlSi3O8)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite (mica)
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
Orthoclase Feldspar
Potassium Feldspar (KAlSi3O8)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Optical Calcite
Calcium Carbonate (CaCO3)
Moonstone
Orthoclase (Potassium aluminum silicate - KAlSi3O8)
Milky Quartz
Silicon Dioxide (SiO2)
Moonstone (specifically Rainbow Moonstone / White Labradorite)
White Labradorite (Feldspar Group: (Na,Ca)(Al,Si)4O8)
Peacock Ore
Bornite (Cu5FeS4)
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Specular Hematite
Iron(III) oxide (Fe2O3)
Aventurine
Silicon Dioxide (SiO2) with inclusions
Pyrite
Iron Sulfide (FeS2)
Blue Calcite
Calcium Carbonate (CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Hematite
Iron(III) oxide (Fe2O3)
Quartz (Common or Milky Quartz)
Silicon Dioxide (SiO2)
Geode (Unopened)
Chalcedony Geode (Hydrated Silicon Dioxide, SiO2)
Sapphire (Corundum variety)
Sapphire (Al₂O₃)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrous Phosphate of Copper and Aluminum)
Chalcedony (Botryoidal Agate vein)
Chalcedony (Microcrystalline Quartz) - SiO2
Schist
Mica Schist
Plagioclase Feldspar
Plagioclase (NaAlSi3O8 - CaAl2Si2O8)