Pyrite
Iron Sulfide (FeS2)
Category
Browse sedimentary or metamorphic specimens identified by the Rock Identifier community.
Pyrite
Iron Sulfide (FeS2)
Blue Apatite
Apatite group (Ca5(PO4)3(F,Cl,OH))
Blue Calcite
Calcite (Calcium Carbonate, CaCO3)
Clear Quartz
Silicon Dioxide (SiO2)
Mixed Mineral and Fossil Collection
Multi-specimen assemblage (SiO2, CaCO3, FeS2, etc.)
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz Mineral
Silicon Dioxide (SiO2)
Hematite
Hematite (Α-Fe2O3)
Onyx Marble (Banded Calcite)
Calcite (Calcium Carbonate, CaCO3)
Blue Calcite
Calcium Carbonate (CaCO3)
Quartz
Silicon Dioxide (SiO2)
Quartz Fragment
Silicon Dioxide (SiO2)
Quartz
Silicon dioxide (SiO2)
Educational Geologic Collection
Mixed Mineral and Rock Collection (Various compositions)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Calcite
Calcium Carbonate (CaCO3)
Quartz
Quartz (SiO2 - Silicon Dioxide)
Biotite Schist
Biotite Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)
Pyrite
Iron Pyrite (FeS2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
Quartz
Silicon Dioxide (SiO2)
Blue Apatite
Apatite, Ca5(PO4)3(F,Cl,OH)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Quartz (Citrine or Iron-Stained)
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Clear Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz (Ferruginous variety)
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Clear or Cloudy)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)