Magnetite
Magnetite (Fe3O4)
Category
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Magnetite
Magnetite (Fe3O4)
Quartz (Milky/Crystalline fragment)
Silicon Dioxide (SiO2)
Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
Fluorite
Calcium Fluoride (CaF2)
Fluorite on Matrix
Calcium Fluoride (CaF2)
Carnelian Agate
Silicon Dioxide (SiO2)
Quartz Crystal
Silicon Dioxide (SiO2)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Yellow Jasper
Silicon Dioxide (SiO2) with impurities, microcrystalline quartz
Banded Agate (Banded Chert / Jasper)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Red Zebra Jasper
Microcrystalline quartz (Chalcedony), SiO2
Red Jasper
Silicon Dioxide (SiO2), microcrystalline quartz variety
Jasper
Microcrystalline Quartz (SiO2)
Green Jasper
Microcrystalline Quartz (SiO2) with impurities
Red Jasper (Tumbled)
Silicon Dioxide (SiO2) with iron oxide inclusions
Yellow Jasper
Silicon Dioxide (SiO2) with hydrated iron oxide impurities (Goethite)
Banded Jasper with Hematite or Quartz
Silicon Dioxide (SiO2) with impurities
Chert (Flint)
Silicon Dioxide (SiO2)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Boulder
Silicon Dioxide (SiO2)
Glauconitic Sandstone
Glauconitic arenite (K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Travertine (Tufa)
Calcium Carbonate (CaCO3)
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
Mixed Rock Collection (Pebbles and Stones)
Various geological specimens
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Granular)
Silicon Dioxide (SiO2)
Prehnite
Prehnite (Ca2Al2Si3O10(OH)2)
Yellow Jasper
Silicon Dioxide (SiO2)
Tumbled sodalite with white calcite veining
Sodalite, Na8(Al6Si6O24)Cl2, commonly intergrown with calcite, CaCO3
Green Tourmaline (Verdelite)
Tourmaline Group; often Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4) or Dravite (NaMg3Al6(BO3)3Si6O18(OH)4)
Rose Quartz
Quartz (SiO₂), specifically a variety of Quartz
Green Aventurine
Aventurine (a variety of Quartz, SiO2 with fuchsite inclusions)
Granite
Granite (a common rock name, not a single mineral species, composed primarily of quartz, feldspar, and mica/amphibole)
Dalmatian Stone
Peralkaline Feldsphathic Igneous Rock
Rose Quartz
Silicon Dioxide (SiO2)
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
Gabbro
Gabbro
Pink Granite
Granite (High K-Feldspar variety)