Magnetite with Pyroxene
Magnetite (Fe3O4) in Mafic Igneous Matrix
mineral/igneous
Category
Mineral (Synthetic Paper And Ink Polymorph)
Browse mineral (synthetic paper and ink polymorph) specimens identified by the Rock Identifier community.
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Red Aventurine
Aventurine Quartz (SiO2 + Hematite/Goethite)
metamorphic
Peach Selenite
Gypsum (Hydrated Calcium Sulfate, CaSO4·2H2O)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
mineral
Almandine Garnet
Fe3Al2(SiO4)3
gemstone
Quartz (Druzy) on Matrix
Silicon Dioxide (SiO2)
mineral
Amber
Succinates (Fossilized Tree Resin)
mineraloid
Granite
Intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase
igneous
Amber
Fossilized Tree Resin
gemstone
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Jasper Pebble
Microcrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Ironstone Concretion (Nutstone)
Ironstone (with High Limonite/Hematite Content)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Unakite
Altered Granite (Epidote-bearing Granitic Rock)
metamorphic
Native Copper
Copper (Cu)
mineral
Amethyst
Silicon Dioxide (SiO2)
gemstone
Chrysocolla
Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Limonite (Iron Ore)
Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)
mineral
Vanadinite
Vanadinite (Pb5(VO4)3Cl)
mineral
Fossil Shark Tooth
Carcharocles (Otodus) sp. or similar fossilized Chondrichthyes tooth
sedimentary
Botryoidal Hematite (Kidney Ore)
Iron(III) oxide (Fe2O3)
Mineral
Agate
Agate (Cryptocrystalline Quartz)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Tourmalinated Quartz
Silicon Dioxide (Quartz) with Tourmaline inclusions (SiO2 + Na(Fe,Mg,Al,Li)3Al6(BO3)3Si6O18(OH)4)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon Dioxide (Microcrystalline Quartz, SiO2)
mineral
Quartz pebble
Silicon dioxide (SiO2)
mineral
Ocean Jasper
Silicon Dioxide (SiO2) microcrystalline quartz aggregate with inclusions
mineral
Amazonite
Microcline feldspar, KAlSi3O8
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Native Copper
Copper (Cu)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral