Blue Apatite
Apatite - Ca5(PO4)3(F,Cl,OH)
mineral
Category
Metamorphic And Sedimentary
Browse metamorphic and sedimentary specimens identified by the Rock Identifier community.
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Honey Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite in Matrix (likely Quartz or Coal)
Iron Sulfide (FeS2)
mineral
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Peacock Ore (Chalcopyrite)
Chalcopyrite (CuFeS2)
mineral
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Blue Calcite
Calcite (CaCO3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Mica Schist
Mica Schist (Schistose metamorphic rock rich in Muscovite/Biotite)
metamorphic
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Blue Kyanite
Kyanite (Al2SiO5)
mineral
Graphite
Graphite (Native Carbon, C)
Mineral
Epidote with Magnetite/Hematite inclusions
Epidote (Ca2(Al2,Fe3+)(SiO4)3(OH)) with Iron Oxides
mineral
Gneiss (Stream-worn Cobble)
Gneiss (Metamorphic rock composed primarily of Quartz, Feldspar, and Mica)
metamorphic
Gneiss (Metamorphic Rock)
Gneiss (variable mineral formula primarily containing Quartz, Feldspar, and Mica)
metamorphic
Gneiss
Gneiss
metamorphic
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Red Garnet (likely Almandine or Pyrope)
Garnet group: X3Y2(SiO4)3 (e.g., Almandine: Fe3Al2Si3O12)
mineral
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Mica Schist
Mica Schist (Composition typically contains Muscovite: KAl2(AlSi3O10)(OH)2 or Biotite: K(Mg,Fe)3AlSi3O10(OH)2 along with Quartz and Feldspar)
metamorphic
Iron-stained Quartzite / Chert
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
metamorphic
Gneiss (specifically a water-worn pebble)
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Quartzite with Iron Banding
Metamorphosed Quartz-rich Sandstone (SiO2 with Fe2O3 inclusions)
metamorphic
Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Anthracite Coal
Anthracite (Carbon Content: 86%-97%)
metamorphic
Green Kyanite
Kyanite (Al2SiO5)
mineral
Quartzite (River Stone)
Quartzite (mainly SiO2 with iron oxide staining)
metamorphic
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Petrified Wood (Silicified Wood)
Silicified Paleoflora (mainly Quartz, SiO2)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Quartz Vein in Host Rock
Quartz (SiO2) in Mafic or Sedimentary Matrix
igneous