K-Feldspar
Potassium Feldspar (KAlSi3O8)
mineral
Category
Mineral (Evaporite)
Browse mineral (evaporite) specimens identified by the Rock Identifier community.
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Feldspar
Aluminosilicate (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)
mineral
Epidote
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
mineral
Kyanite
Al2SiO5
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Limonite
FeO(OH)·nH2O
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Feldspar
Aluminosilicate (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)
mineral
Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Muscovite
KAl2(AlSi3O10)(OH)2
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Limonite
FeO(OH)•nH2O
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Hematite
Hematite (Fe2O3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Agate with Quartz Crystals
Silicon dioxide (SiO2)
sedimentary
Aragonite
Calcium Carbonate (CaCO3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Spodumene
Spodumene (LiAl(SiO3)2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Biotite Mica
K(Mg,Fe)_3AlSi_3O_10(OH)_2
mineral
Limonite with Quartz
Hydrated Iron Oxide Hydroxide with Silicon Dioxide (FeO(OH)·nH2O + SiO2)
mineral
Tourmaline
Complex boron silicate, (Na,Ca)(Al,Fe,Li)_3Al_6(BO_3)_3Si_6O_18(OH)_4
mineral
Limonite
FeO(OH)•nH2O
mineral
Muscovite Mica
KAl2(AlSi3O10)(F,OH)2
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Sulfur on Rock Matrix
Sulfur (S) on host rock
mineral
Red Granite
Felsic intrusive igneous rock
igneous
Muscovite
KAl2(AlSi3O10)(OH)2
mineral
Kfeldspar
Potassium feldspar (KAlSi3O8)
mineral
Limonite
FeO(OH)•nH2O
mineral
Limonite
FeO(OH)•nH2O
mineral
Epidote
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Limonite
FeO(OH)•nH2O
mineral
Limonite
FeO(OH)•nH2O
mineral
Limonite
FeO(OH)•nH2O
mineral
K-Feldspar (Potassium Feldspar)
Microcline / Orthoclase (KAlSi3O8)
mineral
Garnet
Silicate mineral group (e.g., Almandine, Fe3Al2(SiO4)3)
mineral
Feldspar
Feldspar Group (Tectosilicate, e.g., KAlSi3O8)
mineral
Quartz with Sulfides
Silicon Dioxide (SiO2) with accessory minerals
mineral