Greenstone (Greenschist)
Greenschist facies rock (containing chlorite, actinolite, and epidote)
Category
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Greenstone (Greenschist)
Greenschist facies rock (containing chlorite, actinolite, and epidote)
Pyrite
Iron Disulfide (FeS2)
Hematite
Iron Oxide (Fe2O3)
Milky Quartz
Silicon Dioxide (SiO2)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Lapis Lazuli
Complex silicate rock (primarily Lazurite: (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)
Granite
Granite (composed primarily of Quartz, Plagioclase, Alkali Feldspar, and Mica)
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
Graveler (Fictional Interpretation)
Mons calcarius anthropomorphus
Rhyolite
Rhyolite (High-silica volcanic rock)
Nutting Stone / Cupstone (Sandstone or Quartzite)
Sedimentary rock with anthropogenic modification (cupule)
Jasper
Jasper / Silicon Dioxide (SiO₂)
Polished flint/chert pebble
Microcrystalline quartz (SiO₂), commonly called chert or flint
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
Chalcopyrite
Chalcopyrite (CuFeS2)
Granite
Granite
Milky quartz vein fragment
Quartz (silicon dioxide, SiO₂), massive/microcrystalline variety
Malachite
Copper Carbonate Hydroxide, Cu2CO3(OH)2
Hemimorphite
Hemimorphite (Zn4Si2O7(OH)2·H2O)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Red Sandstone
Arenite (Ferruginous Sandstone)
Chert (Common Opal/Chalcedony variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Opaline variety)
Silicon Dioxide (SiO2)
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
Rose Quartz
Rose Quartz (SiO2)
Pyrite-bearing Schist
Pyritic Quartz-Mica Schist with FeS2 inclusion
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Fuchsite
Chromian Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
Chert Arrowhead
Cryptocrystalline Quartz (SiO2)
Red Sandstone
Arenite (with Iron Oxide / Hematite cementation)
Pyrite in Quartz Matrix
Iron Sulfide (FeS2) embedded in Silicon Dioxide (SiO2)
Chert (Common Opal/Chalcedony)
Microcrystalline Quartz (SiO2)
Amygdaloidal Basalt
Amygdaloidal Basalt (Host rock) with Quartz or Calcite amygdules
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Prehnite
Prehnite, Ca2Al2Si3O10(OH)2
Prehnite
Prehnite (Ca2Al2Si3O10(OH)2)
Magnetite (Octahedral Crystal)
Magnetite (Fe3O4)
Magnetite
Magnetite (Fe3O4)
Magnetite / Iron Ore
Magnetite (Fe3O4)
Rutilated Quartz
Quartz (SiO2) with Rutile (TiO2) inclusions
Aquamarine
Beryl (Be3Al2Si6O18)
Green Moss Agate
Silicon Dioxide (SiO2) with inclusions of hornblende or chlorite