Granite
Intrusive Igneous Rock
igneous
Category
Mineral Like Byproduct (Technogenic)
Browse mineral like byproduct (technogenic) specimens identified by the Rock Identifier community.
Learn about Mineral Like Byproduct (Technogenic) in the encyclopedia
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Gneiss
Gneiss
metamorphic
Strawberry Quartz (Hematoid Quartz)
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Greenschist
Chlorite schist
metamorphic
Pegmatite (Granitic Pegmatite with Quartz, Feldspar, and Mica)
Granitic Pegmatite
igneous
Granite
Granite
igneous
Geode (Calcite or Quartz)
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
sedimentary
Granite
Intrusive Felsic Igneous Rock
igneous
Limonite or Goethite (Ironstone)
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
mineral
Obsidian
Volcanic Glass (70% or more SiO2)
igneous
Dalmation Jasper
Perthitic Feldspar with Arfvedsonite inclusions
igneous
Quartz Geode
SiO2 (Silicon Dioxide)
sedimentary
Malachite-Bearing Copper Ore
Cu2CO3(OH)2 (Malachite) in host rock
mineral
Pink Granite
Phaneritic intrusive igneous rock (Felsic)
igneous
Chlorite (Small Flakes/Sand)
Chlorite Group (Magnesium Iron Aluminum Silicate Hydroxide - (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)
mineral
Sandstone
Clastic Sedimentary Rock
sedimentary
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide mixture)
mineral
Quartz Pebble (with Hematite Inclusions)
Silicon Dioxide (SiO2)
mineral
Fossil Snail
Gastropoda (fossilized)
fossil
Lepidolite (Lithium Mica)
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Granitic Pegmatite (with Smoky Quartz and Mica)
Granitic Pegmatite (composed of SiO2, KAl2(AlSi3O10)(OH)2, and (K,Na)(AlSi3O8))
igneous
Schist
Mica Schist
metamorphic
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Greenstone (Metabalt)
Chlorite schist / Epidiorite
metamorphic
Gabbro (River Cobble)
Gabbro (mafic intrusive rock)
igneous
Rough Rose Quartz
Quartz (Silica - SiO2)
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si)4O10(F,OH)2)
mineral
Plum Blossom Tourmaline
Tourmaline with Lepidolite (Na,Ca)(Li,Mg,Al)3Al6(BO3)3Si6O18(OH)4
igneous
Mixed Tumbled Rocks and Minerals Collection
Mixed Minerals and Rocks (Quartz, Feldspar, Jasper, Agate, Lapis Lazuli, Sodalite, Rose Quartz, Fluorite, etc.)
mineral
Kimberlite with Diamond
Kimberlite (Diamond formula: C)
igneous
Quartz with inclusions (likely Tourmaline or Biotite)
Silicon Dioxide (SiO2)
mineral
Epidote
Epidote - Ca2(Al,Fe)3(SiO4)3(OH)
metamorphic
Fossilized Shark Tooth
Elasmobranchii (Class) fossil
fossil
Biotite Granite
Phaneritic Felsic Igneous Rock
igneous
Milky Quartz with Mineral Inclusions
Silicon Dioxide (SiO2) with miscellaneous inclusions
mineral
Quartz with Epidote / Chlorite Inclusions
Silicon Dioxide (SiO2) with Epidote Ca2(Al,Fe)3(SiO4)3(OH)
mineral
Iron-stained Quartzite / Agate
Silicon Dioxide with Iron Oxides (SiO2 + Fe2O3·nH2O)
mineral
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Granite
Granite
Igneous
Kidney Stone (Calcium Oxalate / Uric Acid)
Calcium Oxalate Monohydrate (Whewellite) / Calcium Oxalate Dihydrate (Weddellite)
mineral