Schist
Schist (Metamorphic Rock)
metamorphic
Category
Mineral (Specifically, A Variety Of The Mineral Species Pyrope Almandine Garnet)
Browse mineral (specifically, a variety of the mineral species pyrope almandine garnet) specimens identified by the Rock Identifier community.
Learn about Mineral (Specifically, A Variety Of The Mineral Species Pyrope Almandine Garnet) in the encyclopedia
View all →
Dyed Blue Agate
Silicon dioxide (SiO2) with artificial pigment
mineral
Limonite
FeO(OH)•nH2O
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Banded Agate (specifically Carnelian Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Chert / Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Blue Lace Agate (Tumbled)
Silicon Dioxide (SiO2) with trace minerals
mineral
Chalcedony (Agate/Chert)
Silicon Dioxide (SiO2)
mineral
Limonite
FeO(OH)·n(H2O)
mineral
Smoky Quartz on Feldspar (Granite Pegmatite)
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (KAlSi3O8)
igneous
Jade (likely Jadeite)
Jadeite (a pyroxene mineral) or Nephrite (a variety of amphibole mineral)
Mineral
Milky Quartz
Silicon dioxide (SiO2)
mineral
Gneiss (with Garnet)
Gneiss (Feldspar-Quartz-Biotite-Garnet Metamorphic Rock)
metamorphic
Schist
Metamorphic rock (Schist)
metamorphic
Peach Moonstone
Orthoclase Feldspar (KAlSi3O8)
mineral
Black Tourmaline (Schorl)
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Greenstone / altered mafic rock
Likely chlorite–actinolite schist or metabasalt; exact identification requires testing
metamorphic
Limonite and Goethite Iron Ore
Hydrated Iron Oxide Hydroxide (FeO(OH)·nH2O)
mineral
Schist
N/A (a rock type, not a mineral formula)
metamorphic
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Sapphire
Corundum (Al2O3)
gemstone
Orbicular jasper (likely ocean jasper)
Silicified microcrystalline quartz/chalcedony, commonly called Ocean Jasper; predominantly SiO₂ with iron-oxide inclusions
sedimentary
Red Jasper with Quartz
Microcrystalline Quartz (SiO2)
sedimentary
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Green tourmaline crystal (likely elbaite)
Elbaite tourmaline, a complex borosilicate: Na(Li,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄
mineral
Limonite
FeO(OH)·nH2O
mineral
Schist
Mica Schist
metamorphic
Limonite with Quartz
Hydrated Iron Oxide Hydroxide, FeO(OH)·nH₂O with SiO₂
mineral
Amazonite
Amazonite (KAlSi3O8); a green variety of Microcline feldspar
mineral
Yellow Topaz (Imperial or Precious Topaz)
Al2SiO4(F,OH)2 (Aluminum Silicate Fluoride Hydroxide)
mineral
Polished ocean jasper or orbicular chalcedony
Microcrystalline quartz (SiO₂), likely chalcedony with feldspar or other mineral inclusions
mineral
Limonite or Ironstone Nodule
Hydrated iron oxide-hydroxide (FeO(OH)·nH2O)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz-rich pegmatite (likely feldspar–quartz rock)
Granitic pegmatite; predominantly quartz (SiO₂) and feldspar, with possible mica and iron-oxide staining
igneous
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Banded Agate
Chalcedony (SiO2 with impurities)
mineral
Chalcedony (Agate/Carnelian variant)
Silicon Dioxide (SiO2)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Limonite Ironstone
Goethite-Limonite concretion / Iron oxide
sedimentary