Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate - (Mn,Fe,Mg,Ca)SiO3)
mineral
Category
Sedimentary Or Igneous Associated Mineral
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Learn about Sedimentary Or Igneous Associated Mineral in the encyclopedia
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Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Gold Flakes
Native Gold (Au)
mineral
Carnelian
Carnelian (a variety of Chalcedony, SiO₂)
Mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite
Iron Disulfide (FeS2)
Mineral
Smoky Quartz
Smoky Quartz (SiO ₂)
Mineral
Beryl (var. Heliodor or Aquamarine)
Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)
mineral
Fuchsite
Chromian Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
mineral
Red Jasper
Silicon dioxide (microcrystalline quartz, $SiO_2$)
sedimentary
Agate
Silicon dioxide (Chalcedony), SiO2
sedimentary
Chert (specifically Flint or Common Opal fragment)
Cryptocrystalline Silica (SiO2)
sedimentary
Chert (Common Opal/Agate mixture)
Microcrystalline Quartz (SiO2)
sedimentary
Pyrite with Quartz
Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)
mineral
Raw Calcite
Calcium Carbonate (CaCO3)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Pyrite (FeS₂)
Mineral
Granite Pebble
Intrusive Igneous Rock
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Iron-rich weathered rock or limonite/goethite nodule
Limonite (mixture dominated by goethite, FeO(OH)·nH₂O), possibly with quartz or clay
mineral
Uvarovite
Ca3Cr2(SiO4)3
mineral
Pink Quartz
Silicon Dioxide (SiO2)
mineral
Rhodonite
(Mn,Fe,Mg,Ca)SiO3
mineral
Galena
Lead(II) sulfide (PbS)
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Amazonite
Microcline (KAlSi3O8) with lead impurities
mineral
Silver (Jewelry Specimen)
Native Silver (Chemical Formula: Ag)
mineral
Granite
Granite (composed mainly of K-feldspar, quartz, and biotite/amphibole)
igneous
Obsidian (worked into an arrowhead profile)
Obsidian (volcanic glass), primarily SiO2 (Silicon Dioxide)
igneous
Granodiorite
Phaneritic Granodiorite
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Red Jasper
Silicon dioxide (microcrystalline quartz), SiO2
sedimentary
Ferruginous Chert
Silicon dioxide with iron oxide impurities (SiO2 + Fe2O3)
sedimentary
Fossilized Bored Limestone
Limestone with Ichnofossils (Gastrochaenolites or Entobia)
sedimentary
Sandstone or Mudstone with Iron Staining
Ferruginous Sandstone/Mudstone
Sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Chrysocolla
Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O)
mineral
Gneiss (River Cobble)
Gneiss
metamorphic
White Quartz
Silicon Dioxide (SiO2)
mineral
Gold
Gold (Au)
mineral
Jadeite Jade
NaAlSi2O6
metamorphic