Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Category
Metamorphic And Igneous Rocks
Browse metamorphic and igneous rocks specimens identified by the Rock Identifier community.
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Muscovite
Muscovite mica, KAl2(AlSi3O10)(OH)2
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Ruby (Corundum)
Aluminum oxide (Al2O3) with Chromium traces
mineral
Garnet
Almandine-Pyrope group, X3Y2(SiO4)3
mineral
Magnetite (Charnockite Regional Variation)
Magnetite (Fe3O4)
mineral
Sunstone
Feldspar (Plagioclase/Orthoclase) with hematite/copper inclusions
gemstone
Potassium Feldspar (Microcline / Orthoclase)
KAlSi3O8
mineral
Blue Topaz
Al2SiO4(F,OH)2
gemstone
Milky quartz
Quartz, silicon dioxide (SiO₂)
mineral
Epidote
Ca2(Al,Fe)3(SiO4)3(OH)
mineral
Quartz with inclusions
SiO2
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Labradorite (a variety of Feldspar)
Labradorite; (Na,Ca)(Al,Si)4O8 (a plagioclase feldspar)
igneous
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz pebble
SiO2, Quartz
mineral
Epidote
Ca2(Al,Fe)3(SiO4)3(OH)
mineral
Epidote with Quartz/Feldspar
Epidote (Ca2(Al, Fe)3(SiO4)3(OH)) with associated minerals in a host rock
Mineral/Metamorphic rock
Quartz
Silicon Dioxide (SiO2)
mineral
Tumbled Quartz
Silicon Dioxide (SiO2)
mineral
Quartz pebble
Silicon dioxide (SiO2)
mineral
Muscovite
KAl2(AlSi3O10)(OH)2
mineral
Epidote
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
mineral
Schist
Metamorphic Schist
metamorphic
Prasiolite (Green Quartz)
Silicon Dioxide (SiO2) with iron impurities
mineral
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
gemstone
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Muscovite
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Zoisite with Ruby
Anyolite (Calcium aluminum hydroxy silicate with Corundum) Ca2Al3(SiO4)3(OH)
metamorphic
Amazonite
K(AlSi3O8)
mineral
Greenish Metamorphic Rock (likely containing epidote or chlorite)
Metamorphic rock, possibly epidosite or greenstone
Metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Biotite mica
Biotite, a potassium-rich mica in the annite–phlogopite series; approximate formula K(Mg,Fe)₃AlSi₃O₁₀(F,OH)₂
mineral
Biotite mica (likely)
Biotite, a mica-group mineral; approximate formula K(Mg,Fe)₃AlSi₃O₁₀(F,OH)₂
mineral
Muscovite Mica
KAl2(AlSi3O10)(OH)2
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Labradorite
(Na, Ca)(Si, Al)4O8
mineral