Leopard Skin Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Category
Sedimentary (Imitation)
Browse sedimentary (imitation) specimens identified by the Rock Identifier community.
Chert Pebble
Microcrystalline silica (SiO2)
sedimentary
Quartz / Common Opal
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon dioxide (SiO2)
sedimentary
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Hematite with Magnetite
Iron Oxide (Fe2O3)
mineral
Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Leopard Skin Jasper
Silicon Dioxide (SiO2) with various inclusions
sedimentary
Satin Spar (often marketed as Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
mineral
Garnet (Almandine variety)
Almandine Garnet (Fe3Al2(SiO4)3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Geode (Unopened)
Crystalline Quartz Geode (SiO2)
sedimentary
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Yellow Chalcedony (Agate Pebble)
Silicon Dioxide (SiO2)
mineral
Chert (Basanite / Flint variety)
Microcrystalline Quartz (SiO2)
sedimentary
Pyrite
Iron Disulfide (FeS2)
mineral
Blue Kyanite
Kyanite (Al2SiO5)
Mineral
Chert (Fossiliferous)
Silicon dioxide (SiO2)
sedimentary
Chalcedony (Common Agate)
Silicon Dioxide (SiO2)
mineral
Chert (often found as Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chalcedony Nodule (Agate/Chert)
Chalcedony (cryptocrystalline Silicon Dioxide, SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
African Turquoise (Jasper)
Silicon Dioxide (SiO2) - Macro-crystalline Quartz with inclusions
sedimentary
Mica Schist
Mica Schist (Schistose metamorphic rock rich in Muscovite/Biotite)
metamorphic
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz (Milky/Gray variety)
Silicon Dioxide (SiO2)
mineral
Celestite (Celestine)
Strontium sulfate (SrSO4)
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
mineral
Limonite (Iron Ore)
Limonite (unstructured hydrated iron(III) oxide-hydroxides, often FeO(OH)·nH2O)
mineral
Yellow Jasper
Silicon Dioxide (SiO2) with iron impurities
sedimentary
Quartz / Common Agate
Silicon Dioxide (SiO2)
mineral
Specular Hematite (Specularite)
Iron Oxide (Fe2O3)
mineral
Quartz / Quartz Geode fragment
Silicon Dioxide (SiO2)
mineral
Dalmatian Jasper
Peralkaline rhyolite
igneous