Apatite
Fluorapatite (Ca5(PO4)3F)
Category
Browse metamorphic or sedimentary specimens identified by the Rock Identifier community.
Apatite
Fluorapatite (Ca5(PO4)3F)
Note: Image shows a biological specimen (Rat), not a rock. Representative geological equivalent: Galena (due to lead-grey colors in fur).
Galena (PbS)
Garnet Schist
Almandine Garnet in Mica Schist (Fe3Al2(SiO4)3)
Slate
Foliated Metamorphic Rock (Mainly composed of Quartz, Illite, Chlorite)
Garnet in Matrix
Almandine or Spessartine Garnet in Quartz/Schist Matrix (X3Al2(SiO4)3)
Pyrite (on the right) and Magnetite or Hematite (on the left)
Iron Sulfide (FeS2) and Iron Oxide (Fe3O4 or Fe2O3)
Ruby in Kyanite
Corundum in Disthene (Al2SiO5 + Al2O3)
Kyanite
Kyanite (Al2SiO5)
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
Mixed Mineral Collection
Multi-mineral Assemblage (Quartz, Jasper, Obsidian, Pyrite, etc.)
Yellow Calcite
Calcium Carbonate (CaCO3)
Foliated Metamorphic Rock (likely Gneiss or Schist)
Gneissic Metamorphic Rock
Muscovite Schist with Quartz
Mica Schist (KAl2(AlSi3O10)(OH)2)
Rhodonite (in matrix)
Rhodonite (Mn,Fe,Mg,Ca)SiO3
Kyanite
Kyanite (Al2SiO5)
Garnet in Matrix (Schist or Quartz)
Almandine Garnet, Fe3Al2(SiO4)3
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Gneiss
Metamorphic Gneiss
Quartz (Clear/Milky)
Silicon Dioxide (SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Calcite
Calcium Carbonate (CaCO3)
Specular Hematite with Quartz and Limonite
Hematite (Fe2O3) with Quartz (SiO2) and Limonite (FeO(OH)·nH2O)
Orange Calcite
Calcium Carbonate (CaCO3)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Pyrite
Iron Disulfide (FeS2)
Gneissic Schist
Gneiss-schist (Metamorphic rock)
Gneiss
Foliated Metamorphic Rock
Yellow Calcite
Calcium Carbonate (CaCO3)
Banded Slate
Slate (Metamorphosed Siltstone/Mudstone)
Gneiss (Metamorphic Pebble)
Gneissic Metamorphic Rock
River Pebble (Quartzite)
Quartzite (SiO2)
River Cobble (Gneiss/Schist mix)
Foliated Metamorphic Rock (Gneissic/Schistose)
Painted River Rock
Painted Quartzite or Smooth Siltstone
Quartzite Pebble
Metamorphic Quartz (SiO2)
Pyrite in Slate
Iron Disulfide (FeS2) in Low-grade Metamorphic Rock
Slate
Foliated Metamorphic Rock
Green Kyanite
Kyanite (Al2SiO5)
Magnetite with Quartz
Magnetite (Fe3O4)
Gneiss
Foliated Metamorphic Gneiss
Gneiss
Gneissic Metamorphic Rock
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Pyrite
Iron Disulfide (FeS2)