Blue Calcite
Calcite (Calcium Carbonate, CaCO3)
Category
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Blue Calcite
Calcite (Calcium Carbonate, CaCO3)
Blue Calcite
Calcium Carbonate (CaCO3)
Pyrite in Matrix (often with Chalcopyrite)
Iron Sulfide (FeS2) / Copper Iron Sulfide (CuFeS2)
Calcite (Optical or Clear Calcite)
Calcium Carbonate (CaCO3)
Calcite
Calcium Carbonate (CaCO3)
Tumbled Quartz
Silicon Dioxide (SiO2)
Lepidolite Bracelet
Lepidolite (K(Li,Al)3(Si,Al)4O10(F,OH)2) often in Quartz matrix
Pyrite in Matrix
Iron Sulfide (FeS2)
Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
Galena
Lead Sulfide (PbS)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Chrysocolla (with Quartz and Azurite)
Hydrated copper phyllosilicate mineral [Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O)]
Copper Ore
Native Copper (Cu) often found with Chalcocite (Cu2S) or Bornite (Cu5FeS4)
Green Jasper
Microcrystalline Quartz (SiO2)
Jasper or Chert
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Crushed Stone / Greywacke
Greywacke (Indurated Sandstone)
Pyrite
Iron Pyrite (FeS2)
Schist
Schist (various compositions)
Magnetite
Fe3O4 (Iron(II,III) oxide)
Dalmatian Stone (commonly Dyed)
Dalmatian Jasper (Peralkaline igneous rock)
Wulfenite
Lead Molybdate, PbMoO4
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Green Moonstone (Garnierite)
Nickel-bearing Magnesium Silicate (often a mix of Serpentine and Talc/Chlorite groups)
Greenstone
Metabasalt / Greenschist
Clear Quartz
Silicon Dioxide (SiO2)
Specular Hematite
Hematite (Fe2O3)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Tumbled Agate
Silicon Dioxide (Chalcedony variety), SiO2
Agate
Silicon Dioxide (Quartz), SiO2
Quartz
Silicon Dioxide (SiO2)
Carnelian / Agate
Silicon Dioxide (SiO2) - Chalcedony
Quartz (Raw Chunk)
Silicon Dioxide (SiO2)
Biotite (Black Mica)
Biotite - K(Mg,Fe)3(AlSi3O10)(F,OH)2
Chert (and associated Sedimentary rocks)
Microcrystalline Silica (SiO2)
Red Jasper
Jasper (SiO2) with Hematite (Fe2O3) inclusions
Amber
Succiniferous fossil resin (C10H16O)
Pumice
Pumice (Volcanic Rock / Glass Froth)
Red Granite
Felsic Plutonic Rock (Potassium Feldspar Granite)
Red Granite
Phaneritic Felsic Igneous Rock (Granite)
Carnelian
Silicon Dioxide (Chalcedony variety), SiO2