Ocean Jasper
Orbicular Jasper (Silicon Dioxide with impurities), SiO2
Category
Browse anthropogenic (human made) sedimentary like material specimens identified by the Rock Identifier community.
Ocean Jasper
Orbicular Jasper (Silicon Dioxide with impurities), SiO2
Amber
Succinite (specifically for Baltic Amber), Formula: C10H16O
Slate
Slate (Foliated Metamorphic Rock)
Mica Schist
Schist (Muscovite/Biotite Schist)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Fossiliferous Shale Matrix
Clastic Sedimentary Rock with Brachiopod or Mollusk shell fragments
Red Jasper (River Siltstone)
Silicon Dioxide (SiO2) with iron oxide inclusions
Ferruginous Breccia
Breccia with Iron-rich (Hematite/Goethite) Matrix
Native Copper
Native Copper (Cu)
Serpentinite
Serpentinite (composed mainly of Group: Serpentine; (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
Honey Calcite
Calcium Carbonate (CaCO3)
Marble
Metamorphosed Limestone/Dolomite
Mica Schist
Mica Schist (primarily Muscovite and Biotite KAl2(AlSi3O10)(OH)2)
Granite Cobble
Phaneritic Felsic Igneous Rock
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Serpentinite (often called Jade or Nephrite substitute)
Serpentinite (composed primarily of Antigorite, Lizardite, or Chrysotile)
Amber
Succinite (fossilized resin)
Iron Meteorite
Siderite (Fe-Ni alloy, primarily Kamacite and Taenite)
Fluorite
Calcium Fluoride (CaF2)
Yellow Jasper
Silicon Dioxide (SiO₂)
Olivine in Basalt matrix
Peridotite (Mg, Fe)2SiO4
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Nephrite Jade
Ca2(Mg, Fe)5Si8O22(OH)2 (Tremolite-Actinolite series)
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Quartz
Quartz (Silicon Dioxide - SiO2)
Diamond
Diamond (Pure Carbon, C)
Limonite-stained Granite
Felsic Plutonic Rock with Hydrated Iron Oxides
Tektite (Indochinite)
Tektite (SiO2 + Al2O3, Glassy Melts)
Feldspar
KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8
Slag Glass (Cullet Glass)
Amorphous Silica (Industrial byproduct)
Devil's Toenail
Gryphaea (extinct genus of foam oysters, typically composed of Calcite CaCO3)
Banded Jasper (Chert)
Silicon Dioxide (SiO2) - variety of Chalcedony
Conglomerate
Conglomerate (clastic sedimentary rock)
Quartz Vein in Host Rock (Breccia/Rhyolite)
Silicon Dioxide (SiO2) with matrix
Chert (concretionary/nodular variant)
Microcrystalline Quartz (SiO2) with possible fossil or mineral inclusions
Obsidian
Obsidian (Volcanic Glass)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (varietal Flint)
Silicon Dioxide (SiO2)
Graphic Granite
Pegmatitic Feldspar with Quartz intergrowths
Fluorite
Fluorite (Calcium Fluoride - CaF2)
Olivine
Olivine group (Mg, Fe)2SiO4
Gneiss
Foliated Metamorphic Rock (Gneiss)