Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Category
Metamorphic Or Igneous (Context Dependent)
Browse metamorphic or igneous (context dependent) specimens identified by the Rock Identifier community.
Learn about Metamorphic Or Igneous (Context Dependent) in the encyclopedia
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Sapphire (Blue/Violet Rough)
Corundum (Al2O3)
gemstone
Yellow Aventurine (specifically a carved crescent moon)
Silicon Dioxide (SiO2) with inclusions
mineral
Orange Aventurine / Quartz
Silicon Dioxide (SiO2) with Hematite or Goethite inclusions
mineral
Bull Quartz with Mica and Host Rock
Massive Quartz (SiO2) with Muscovite/Chlorite inclusions
igneous
Granite Thin Section
Granitic rock (Phaneritic texture)
igneous
Green Aventurine
Quartz with Fuchsite inclusions (SiO2)
mineral
Granite
Phaneritic Plutonic Felsic Rock
igneous
Granite
Phaneritic Plutonic Felsic Rock (K-Feldspar + Quartz + Plagioclase)
igneous
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Greenstone (Celadonite-bearing Volcanic)
Hydrothermally altered basalt or andesite with Celadonite (K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2)
metamorphic
Serpentinite
Serpentinite (containing minerals of the Serpentine subgroup: Antigorite, Lizardite, and Chrysotile; formula (Mg,Fe)3Si2O5(OH)4)
metamorphic
Chert (Arrowhead Fragment)
Silicon Dioxide (SiO2)
sedimentary
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gold Ore
Native Gold (Au) in Matrix
mineral
Quartz Pebble (River Agate / Chalcedony)
Silicon Dioxide (SiO2)
mineral
Blue Sapphire
Corundum (Al2O3)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Mica Sand / Vermiculite
Phyllosilicate group (typically Biotite or Muscovite)
mineral
Red Aventurine (Strawberry Quartz / Sunstone Quartz)
Silicon Dioxide with Hematite/Goethite inclusions (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Emerald
Beryl (Be3Al2(SiO3)6)
gemstone
Orange Calcite
Calcite (CaCO3)
Mineral
Granite Pebble
Phaneritic Felsic Igneous Rock (Granite)
igneous
Granite
Phaneritic Intrusive Igneous Rock (primarily Quartz, Feldspar, and Mica)
igneous
Quartz Vein
Silicon Dioxide (SiO2)
Mineral
Raw Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Black Onyx
Silicon Dioxide (SiO2) with parallel banding
mineral
Chert (Arrowhead Fragment)
Microcrystalline Quartz (SiO2)
sedimentary
Arsenopyrite in Quartz Matrix
Arsenopyrite (FeAsS) with Quartz (SiO2)
Mineral in a Metamorphic/Hydrothermal rock
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
metamorphic
Raw Emerald (Emerald Beryl)
Beryl (Be3Al2Si6O18) with chromium/vanadium impurities
mineral
Gold Ore in Matrix
Native Gold (Au) in Quartz/Host Rock
mineral
Dragon Blood Jasper
Epidote with Red Piedmontite (silicate)
sedimentary
Gold Nugget
Native Gold (Au)
mineral
Yellow Sapphire
Corundum (Al2O3:Fe)
gemstone
Green Quartz / Prasiolite
Silicon Dioxide (SiO2)
mineral
Bull Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Pegmatite
Igneous Pegmatite
igneous