Green Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Category
Sedimentary And Metamorphic
Browse sedimentary and metamorphic specimens identified by the Rock Identifier community.
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Graphite
Graphite (Native Carbon), Formula: C
Metamorphic
Graphite
Graphite (Carbon, C)
metamorphic
Pyrite
Iron Disulfide (FeS2)
Mineral
Quartz Vein in Host Rock (Breccia/Rhyolite)
Silicon Dioxide (SiO2) with matrix
Mineral in Igneous/Sedimentary host
Pink Rhodonite
Manganese Silicate (MnSiO3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Pyrite
Iron Pyrite (FeS2)
Mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Botryoidal Pyrite
Iron Sulfide (FeS2)
mineral
Almandine Garnet in Matrix
Almandine, Fe3Al2(SiO4)3
metamorphic
Gneiss (specifically Granitic Gneiss)
Gneissic Metamorphic Rock
metamorphic
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
mineral
Quartz Mineral
Silicon Dioxide (SiO2)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Onyx Marble (Banded Calcite)
Calcite (Calcium Carbonate, CaCO3)
sedimentary
Quartz
Silicon dioxide (SiO2)
Mineral
River Quartzite Siltstone
Quartz-rich Meta-siltstone (SiO2 dominated)
metamorphic
Calcite
Calcium Carbonate (CaCO3)
mineral
Granitic Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Green Aventurine
Aventurine Quartz (SiO2 with fuchsite inclusions)
Mineral
Marble
Marble (metamorphosed limestone or dolostone), primarily composed of calcite (CaCO3) or dolomite (CaMg(CO3)2)
metamorphic
Epidote
Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
metamorphic
Magnetite
Magnetite (Iron(II,III) oxide, Fe3O4)
mineral
Gneiss (with Mica and Quartz)
Gneissic Metamorphic Rock
metamorphic
Magnetite (Lodestone)
Magnetite (Fe3O4)
mineral
Almandine Garnet in Matrix
Almandine Garnet (Fe3Al2(SiO4)3) in Schist/Quartz Matrix
metamorphic
Specular Hematite (Specularite)
Iron(III) oxide (Fe2O3)
mineral
Rhodonite
Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3
mineral
Kyanite
Kyanite (Al2SiO5)
mineral
Quartz
Quartz (SiO2 - Silicon Dioxide)
Mineral
Mica Schist with Garnet inclusions
Mica Schist (primarily Muscovite and Biotite - KAl2(AlSi3O10)(OH)2)
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz (Ferruginous variety)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral