Stainless Steel Spoon
Iron-Chromium Alloy (Fe + Cr + Ni)
mineral-based human-made alloy
Category
Sedimentary (Processed Mineral Product)
Browse sedimentary (processed mineral product) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Processed Mineral Product) in the encyclopedia
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Tiger's Eye (Rough)
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Mica schist
Mica schist (Muscovite and Biotite group)
metamorphic
Specular Hematite (Specularite) in Matrix
Specularite (Fe2O3)
mineral
Tiger's Eye
Silicon Dioxide (SiO2) with Limonite/Goethite inclusions
mineral
Petrified Wood
Silicified Wood (SiO2)
fossil
Goldstone
Aventurine Glass (SiO2 + Cu small inclusions)
man-made glass mineral simulant
Slag Glass
Vitreous Silicate Residue
industrial byproduct (anthropogenic rock)
Greenschist (Greenstone)
Chlorite schist (primarily Chlorite-Epidote-Actinolite-Albite)
metamorphic
Jasper with Quartz inclusions
Silicon Dioxide (SiO2) with impurities
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Chert (Jasper variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Red Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
sedimentary
Jasper Cross
Silicon Dioxide (SiO2) with iron oxide impurities
sedimentary
Red Jasper
Opaque microcrystalline quartz (SiO2) with Hematite inclusions
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Sunstone
Feldspar (variety Oligoclase or Labradorite), (Ca,Na)(Al,Si)4O8
mineral
Lapis Lazuli
Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Greywacke (River Siltstone)
Lithic Wacke (Sandstone subfamily)
sedimentary
Gold Ore (Auriferous Quartz with Chalcopyrite/Pyrite)
Au (Native Gold) in Quartz (SiO2) with FeS2 (Pyrite) or CuFeS2 (Chalcopyrite)
Mineral
Fluorite on Matrix
Calcium Fluoride (CaF2)
mineral
Gold Ore (Lode Gold)
Native Gold (Au) in Matrix
mineral
Petrified Wood
Silicified Wood / Chalcedony (SiO2)
mineral
Peacock Ore
Bornite (Cu5FeS4)
mineral
River Quartz Cobble
Silicon Dioxide (SiO2)
mineral
Marble
Metamorphosed Limestone (principally CaCO3)
metamorphic
Amber
Succinite (Fossilized Resin C10H16O)
Organic Mineraloid
Chert / Flint (a variety of Chert)
Chert (SiO2)
Sedimentary Rock (technically a microcrystalline quartz mineral aggregate)
Sunstone (Feldspar)
(Ca,Na)((Al,Si)2Si2O8) with inclusions of Hematite or Goethite
mineral
Concrete Fragment
Hardened Portland Cement Composite
Anthropogenic (Man-made material mimicking sedimentary rock)
Copper Ore (with Azurite and Malachite)
Cuprite, Azurite (Cu3(CO3)2(OH)2), Malachite (Cu2(CO3)(OH)2)
mineral
Limestone
Calcareous sedimentary rock (primarily CaCO3)
sedimentary
Coarse-grained Granite
Granitoid (KAlSi3O8 + SiO2 + NaAlSi3O8)
igneous
Quartz
Silicon Dioxide (SiO2)
Mineral
Yellow Jasper
Silicon Dioxide (SiO2) with iron inclusions
sedimentary
Red Jasper
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)
sedimentary
Yellow Jasper (Iron-stained Quartzite/Chert)
Silicon Dioxide (SiO2) with Hydrated Iron Oxide (Goehite/Limonite) inclusions
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
sedimentary