Jasper
Jasper (Silicate - SiO2)
sedimentary
Category
Man Made Rock (Technosol)
Browse man made rock (technosol) specimens identified by the Rock Identifier community.
Sandstone (Ferruginous)
Arenite (with iron oxide cement, Fe2O3)
sedimentary
Ferruginous Sandstone
Sandstone (arenite) with Limonite/Goethite cement
sedimentary
Red Quartzite Slipper Stone
Quartzite (SiO2)
metamorphic
Red Sandstone
Arenite (predominantly Quartz with Hematite cementation)
sedimentary
Yellow Jasper
Silicon Dioxide with iron inclusions (SiO2)
sedimentary
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Riverstone Jasper (Chalcedony)
Silicon Dioxide (SiO2)
sedimentary
Banded Rhyolite (likely Green Jasper/Agate variety)
Silicon Dioxide (SiO2) with mineral inclusions
igneous
Jasper
Silicon dioxide (SiO2) with impurities
sedimentary
Yellow Quartzite (River Pebble)
Metamorphic Quartzite (SiO2)
metamorphic
Jasper
Silicon Dioxide (SiO2)
sedimentary
Banded Calcite (Cave Onyx)
Calcium Carbonate (CaCO3)
sedimentary
Yellow Quartzite Pebble
Quartzite (SiO2)
metamorphic
Jasper with Epidote Vein
Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate (Ca2(Al,Fe)3(SiO4)3(OH))
sedimentary
Banded Agate (specifically Carnelian Agate)
Silicon dioxide (SiO2) - Chalcedony variety
mineral
Quartz (Smoky/Milky Pebble)
Silicon Dioxide (SiO2)
mineral
Apache Tear (Obsidian)
Hydrated volcanic glass (SiO2 with inclusions)
igneous
Limestone with Calcite Veining
Calcium Carbonate (CaCO3)
sedimentary
Sandstone
Arenite (SiO2 based with mineral cement)
sedimentary
Quartz vein in Host Rock
Crystalline Silicon Dioxide (SiO2) in Lithic Matrix
metamorphic
Muscovite Mica
Muscovite: KAl2(AlSi3O10)(OH)2
mineral
Basalt
Basalt (Mafic Extrusive)
igneous
Chert (Tan/Grey variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Basalt
Basalt (Mafic volcanic rock)
igneous
Sandstone (Gneissic or Banded)
Clastic Sedimentary Rock (composed predominantly of SiO2)
sedimentary
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (Lithic arenite / Quartz arenite)
sedimentary
Epidote (or Epidote-rich rock)
Epidote. Mineral formula: Ca2(Al,Fe)3(SiO4)3(OH).
Mineral, often found in metamorphic rocks but also in sedimentary and igneous rocks
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Basalt
Extrusive Mafic Igneous Rock
igneous
Garnet-Bearing Gneiss
Almandine-Garnet Gneiss
metamorphic
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Granite (Weathered)
Plutonic Igneous Rock (Granitic)
igneous
Basalt
Basalt (Mafic volcanic rock)
igneous
River Cobble (likely Sandstone or Siltstone type)
Sandstone or Siltstone (common rock types that form river cobbles)
Sedimentary Rock (specifically a clastic sedimentary rock formed into a cobble)
Sandstone (likely Quartz Sandstone)
Arenite (composed primarily of SiO2)
sedimentary
Sandstone (Ferruginous)
Arenite with Iron Oxides
sedimentary
Sandstone (likely Quartzose Sandstone with mineral staining)
Arenite (composed mainly of SiO2)
sedimentary
Chert (specifically Flint)
Microcrystalline quartz (SiO2)
sedimentary
Basalt
Basalt (composition mainly of Plagioclase feldspar, Pyroxene, and Olivine)
igneous
Sandstone (likely Ferruginous)
Arenite (SiO2 with iron oxide impurities)
sedimentary