Rhodochrosite
Manganese carbonate (MnCO3)
Category
Browse mixed: igneous and sedimentary specimens identified by the Rock Identifier community.
Rhodochrosite
Manganese carbonate (MnCO3)
Collection of Minerals and Ores
Various (e.g., Uraninite (U3O8), Carbon (C), Native Gold (Au), Hematite (Fe2O3), Galena (PbS), etc.)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Blue Calcite
Calcium Carbonate (CaCO3)
Yellow Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Clear Quartz (Carved Merkaba)
Silicon Dioxide (SiO2)
Quartz (Milk Quartz / Massive Quartz)
Silicon Dioxide (SiO2)
Quartz / Milky Quartz
Silicon Dioxide (SiO2)
Turquoise
CuAl6(PO4)4(OH)8·4H2O
Fluorite
Calcium Fluoride (CaF2)
Gneiss
Gneiss
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Crystal Variety)
Silicon Dioxide (SiO2)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Zoisite with Ruby (Anyolite)
Zoisite – Ca2Al3(SiO4)3(OH) with inclusions of Ruby (Al2O3:Cr)
Chalcedony (Agate)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Chalcedony (Agate/Chert)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Clear Quartz
Silicon Dioxide (SiO2)
Botryoidal Chalcedony
Silicon Dioxide (SiO2)
Epidote
Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Dalmatian Stone (often called Dalmatian Jasper)
Peralkaline Quartz-Feldspar Rock with Arfvedsonite (formerly believed to be Jasper)
Strawberry Quartz
Quartz with Hematite inclusions (SiO2 + Fe2O3)
Quartz Crystal
Quartz (SiO₂)
Quartz
Silicon Dioxide (SiO2)
Dalmatian Stone
Peralkaline Quartz-Feldspar Porphyry with Arfvedsonite
Dalmatian Stone (Dalmation Jasper)
Aplite with Arfvedsonite inclusions
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Chalcedony (specifically Common Opal or Agate variant)
Silicon Dioxide (SiO2)
Hematite
Hematite (Iron(III) oxide, Fe2O3)
Quartz (Smoky/Grey variety)
Silicon Dioxide (SiO2)
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Biotite Schist
Biotite Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Bornite
Bornite (Cu5FeS4)