Arsenopyrite in Sulphide Ore
Arsenopyrite (FeAsS)
mineral
Category
Mineral (Native Element Alloy)
Browse mineral (native element alloy) specimens identified by the Rock Identifier community.
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Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Amygdaloidal Basalt
Extrusive mafic igneous rock with amygdules
igneous
Blue Celestine
Celestine (SrSO4)
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Sunstone
Plagioclase Feldspar ((Ca,Na)(Al,Si)4O8)
mineral
Thunderegg
Agate-filled Rhyolitic Nodule (SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral
Manganese Ore (Psilomelane/Pyrolusite)
Psilomelane ((Ba,H2O)2Mn5O10) and Pyrolusite (MnO2)
Mineral
Yellow Jasper
Silicon Dioxide (SiO2) with goethite or limonite inclusions
sedimentary
Rough Diamond
Diamond (Native Carbon), C
mineral
Rough Diamond
Diamond (Native Carbon, C)
mineral
Copper Bullion Round
Native Copper (refined), Cu
mineral
Graphite
Graphite (Native Carbon, C)
Mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
mineral
Turquoise
Hydrated copper and aluminum phosphate (CuAl6(PO4)4(OH)8·4H2O)
mineral
Beryl (var. Aquamarine/Blue Beryl) in Quartz Matrix
Beryllium Aluminum Silicate (Be3Al2Si6O18)
mineral
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Arsenopyrite
Arsenopyrite (FeAsS)
mineral
Celestine (Celestite)
Strontium sulfate (SrSO4)
mineral
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Aquamarine (Pale variety)
Beryl (Be3Al2Si6O18)
mineral
Pegmatitic granite (likely feldspar–quartz–mica rock)
Granitic pegmatite; chiefly K-feldspar and quartz, with mica and iron-oxide staining
igneous
Red Jasper
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)
sedimentary
Gold-bearing Quartz
Quartz (SiO2) with associated pyrite or native gold
mineral
Blue Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Yellow Jasper
Silicon Dioxide with Limonite/Goethite inclusions (SiO2)
sedimentary
Thunderegg (Agate or Quartz Geode)
Silica-filled rhyolitic nodule (SiO2)
sedimentary
Turquoise (possible Howlite imitation)
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Ruby (Faceted)
Corundum (Al2O3:Cr)
gemstone
Pegmatitic mica-quartz-feldspar specimen
Granitic pegmatite, chiefly quartz (SiO₂), feldspar, and muscovite/biotite mica
igneous
Pitted Sedimentary Rock / Cupstone
Sedimentary rock with weathering pit (arenite / sandstone)
sedimentary
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock)
igneous
Apache Tear
Obsidian (Natural volcanic glass)
igneous
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
sedimentary
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Copper-Bearing Sulfide Ore (likely Chalcopyrite or Bornite)
Chalcopyrite (CuFeS2) or Bornite (Cu5FeS4) in host rock
mineral
Aquamarine
Beryl (Be₃Al₂Si‑₆O₁₈)
mineral
Aquamarine
Beryl (Be₃Al₂Si₆O₁₈)
mineral
Black Jasper
Black Jasper (Silicate mineral - SiO2)
sedimentary