Fuchsite
K(Al,Cr)2(AlSi3O10)(OH)2 (Chromium-rich Muscovite)
mineral
Category
Mineral Like (Anthropogenic)
Browse mineral like (anthropogenic) specimens identified by the Rock Identifier community.
Learn about Mineral Like (Anthropogenic) in the encyclopedia
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Cullet Glass (Strawberry Glass)
Amorphous Silicon Dioxide (SiO2) with metallic dopants
Mineraloid (Synthetic/Man-made)
Tree Agate
Dendritic Agate (Silicon Dioxide, SiO2 with chlorite inclusions)
mineral
Diamond
Carbon (C)
mineral
Green Aventurine
Quartz (Silicon Dioxide, SiO2) with fuchsite inclusions
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Biotite / Black Mica
Biotite K(Mg,Fe)3AlSi3O10(F,OH)2
mineral
Rough Blue Sapphire
Corundum (Al2O3)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Copper Ore (Malachite and Azurite stained rock)
Cupriferous rock containing secondary copper carbonates
mineral
Banded Calcite (Honey Calcite)
Calcium Carbonate (CaCO3)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Sandstone
Clastic Sedimentary Rock (composed primarily of Quartz: SiO2)
sedimentary
Limonite (Ironstone)
Limonite (FeO(OH)·nH2O)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Jasper (Iron-stained Chert)
Silicon Dioxide (SiO2) with Iron Oxides
sedimentary
Granite Pebble
Intrusive Igneous Rock
igneous
Green Obsidian Sphere (man-made glass)
Vitreous Silica with Chromium/Iron additives
mineralogical simulant
Garnet-Bearing Gneiss
Garnetiferous Feldspathic Gneiss
metamorphic
Porphyritic Basalt (Flower Stone)
Basalt with Feldspar phenocrysts
igneous
Granite (Polished Pebble)
Phaneritic Plutonic Rock (primarily Orthoclase and Quartz)
igneous
Smoky Quartz on Feldspar (Granite Pegmatite)
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (KAlSi3O8)
igneous
Gneiss
Gneiss
metamorphic
Blue Quartz
Quartz (Silicon Dioxide) with blue inclusions (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Hag Stone
Porous sedimentary rock (typically Flint, Chert, or Sandstone) with naturally occurring holes
sedimentary
Turritella Fossil
Turritella (Class Gastropoda, Family Turritellidae)
fossil
Fossilized Shark Tooth
Lamniformes (order) fossil
fossil
Basalt
Mafic Extrusive Igneous Rock
Igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Muscovite (White Mica)
Muscovite - Potassium aluminum silicate: KAl2(AlSi3O10)(F,OH)2
Mineral
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
mineral
Ruby
Corundum (Al2O3)
mineral
Biotite (Black Mica) in Host Rock
K(Mg,Fe)3AlSi3O10(OH,F)2
mineral
Pink Sapphire
Corundum (Al2O3) with Chromium/Iron/Titanium trace impurities
mineral
Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Geode
Crystalline Quartz (SiO2) within a nodule
sedimentary
Olivine (Peridot)
Olivine (Magnesium Iron Silicate, (Mg,Fe)2SiO4)
mineral
Amphibolite with Hornblende
Amphibole-rich Metamorphic Rock (Ca2(Mg,Fe)5Si8O22(OH)2)
metamorphic
Laterite
Laterite (no specific mineral formula as it's a rock type)
Sedimentary