Green Fluorite
Calcium Fluoride (CaF2)
mineral
Category
Mineral (Pseudomorph)
Browse mineral (pseudomorph) specimens identified by the Rock Identifier community.
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Green Fluorite
Calcium Fluoride (CaF2)
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
Mineral
Chalcopyrite
Copper iron sulfide (CuFeS2)
mineral
Dendritic sandstone
Sandstone with Manganese Oxide dendrites
sedimentary
Agate
Silicon Dioxide (SiO2)
sedimentary
Sandstone
Arenite
sedimentary
Native Copper
Native Copper (Cu)
mineral
Clear Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Fluorite (Purple/Blue variety)
Calcium Fluoride (CaF2)
mineral
Sandstone (Banded)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone
Arenite
sedimentary
River Cobble (Quartz-rich Sandstone)
Arenite with iron oxide staining
sedimentary
Quartz with Mica inclusions (Pegmatite)
Silicon Dioxide (SiO2) with Muscovite/Biotite inclusions
igneous
Biotite (Mica)
Biotite (K(Mg,Fe)3AlSi3O10(OH,F)2)
mineral
Veined Pebble (Quartz/Calcite Veined Metamorphic/Sedimentary Rock)
Quartz / Calcite Veined Fault Breccia or Metamorphic Pebble
metamorphic
Quartz Geode/Druzy Quartz
Quartz (SiO₂)
Mineral
Gossan (Limonite/Ironstone)
Hydrated Iron Oxide (FeO(OH)·nH2O)
sedimentary
Native Copper in Basalt
Cu
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Quartz Vein in Host Rock (Gossanous Matrtix)
Silicon Dioxide (SiO2) with iron oxides (Limonite/Hematite)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Granite
Granite
igneous
Greenstone
Protolith of basalt, diabase, or gabbro; often contains minerals like chlorite, actinolite, and epidote
metamorphic
Chalcopyrite in Quartz matrix
Chalcopyrite (CuFeS2) with secondary Malachite (Cu2CO3(OH)2)
mineral
Sandstone
Arenite (SiO2 primarily)
sedimentary
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Chrysocolla
Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O)
mineral
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Kidney Stone
Calcium Oxalate (CaC2O4·nH2O)
mineral
Sulfur on Quartz
Native Sulfur (S8) with Quartz (SiO2)
mineral
Azurite
Azurite (Cu3(CO3)2(OH)2)
mineral
Mixed Mineral Collection (with Titanium Aura Quartz)
Silicon Dioxide (SiO2) with metallic coatings and various silicates
mineral
Chiastolite (Andalusite)
Al2SiO5
metamorphic
Malachite
Copper Carbonate Hydroxide (Cu2CO3(OH)2)
mineral
Hematite
Hematite (Fe2O3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Galena
Lead Sulfide (PbS)
mineral