Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
mineral
Category
Mineral (Native Element Alloy)
Browse mineral (native element alloy) specimens identified by the Rock Identifier community.
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Red Jasper
Jasper (Silicon Dioxide, SiO2 with iron oxide impurities)
sedimentary
Ferrochrome Slag
Industrial Glassy Slag (Fe-Cr alloy byproduct)
Antropogenic (Man-made industrial byproduct)
Red Jasper
Jasper (Silicon Dioxide with iron oxide inclusions), SiO2
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrous Phosphate of Copper and Aluminum)
mineral
Graphite
Graphite (Native Carbon), Formula: C
Metamorphic
Red Jasper
Silicon Dioxide (SiO2) with impure Iron oxides
sedimentary
Thunderegg (Agetized Geode nodule)
Rhyolitic Agate Nodule (SiO2 filling volcanic cavities)
igneous
Gold Ore
Gold-bearing Quartz (Native Gold, Au)
mineral
Spinifex Textured Komatiite
Komatiite (Mg-rich ultramafic volcanic rock)
igneous
Red Jasper
Silicon Dioxide with Iron Oxide (SiO2)
sedimentary
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
mineral
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
mineral
Artificial Rock Face (Faux Rock)
Glass Fiber Reinforced Concrete (GFRC)
man-made/construction material
Moqui Marble (Iron Oxide Concretion)
Iron Oxide Concretion (primarily Limonite/Hematite around a Sandstone center)
sedimentary
Sandstone (Nut-stone / Cup-stone artifact)
Quartz Arenite / Worked Sedimentary Rock
sedimentary
Chondrite Meteorite
Ordinary Chondrite (Fe-Ni alloy, Olivine, Pyroxene)
Mineral
Red Jasper
Red Jasper (SiO2) with Hematite inclusions
sedimentary
Thunderegg (Agate-filled Geode Node)
Silicon dioxide (SiO2) with various inclusions
sedimentary/igneous association
Turquoise
Turquoise, CuAl6(PO4)4(OH)8·4H2O
mineral
Metallic sulfide ore, likely pyrite-bearing rock
Pyrite (FeS₂), possibly with chalcopyrite and quartz/host rock
mineral
Gold-bearing Quartz (Auriferous Quartz)
Quartz (SiO2) with native Gold (Au) inclusions
mineral
Likely metallic mineral specimen
Probably galena (lead sulfide, PbS), though visual identification is uncertain
mineral
Gold Ore in Quartz/Matrix
Native Gold (Au) in Quartz (SiO2) matrix
mineral
Gold Ore in Matrix
Native Gold (Au) in Quartz/Host Rock
mineral
Gold-bearing Quartz
Auriferous Quartz (SiO2 with Native Gold inclusion)
mineral
Gold in Quartz
Hydrothermal Quartz with Native Gold (SiO2 with Au)
mineral
Yellow Jasper
Silicon Dioxide with Iron inclusions (SiO2)
sedimentary
Turquoise
Hydrous phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O
mineral
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
mineral (refined metal)
Argillite
Argillite (Fine-grained sedimentary rock composed mostly of clay-sized particles)
sedimentary
Galena
Galena (lead sulfide, PbS)
mineral
Polished copper-bearing rock, likely cuprite-rich copper ore
Cuprite (Cu₂O) with native copper and iron-oxide matrix, probable
mineral
Shiva Lingam (Polished Jasper)
Cryptocrystalline Quartz (SiO2) with Iron Oxide inclusions
sedimentary
Green Banded Agate
Cryptocrystalline microcrystalline Quartz (SiO2)
sedimentary
Chert (variations include Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Aquamarine (Small Beads)
Beryl (Be3Al2Si6O18 with traces of iron)
gemstone
Turquoise
Turquoise - CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)
mineral
Raw gold nugget or gold-bearing quartz
Native gold (Au), possibly with quartz (SiO₂) and iron-oxide staining
mineral
Iron (Hematite variety)
Iron (Fe) / Hematite (Fe2O3)
mineral
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic Volcanic Rock)
igneous
Jasper
Microcrystalline Quartz (SiO2)
sedimentary