Vanadinite
Vanadinite (Pb5(VO4)3Cl)
mineral
Category
Mineral (Refined Metal)
Browse mineral (refined metal) specimens identified by the Rock Identifier community.
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Pink Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Gossan (Iron Cap)
Limonitic Gossan (Fe2O3·nH2O mixed)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sunstone
Andesine-Labradorite Feldspar ((Ca,Na)(Al,Si)4O8)
mineral
Native Copper (Penny specimen)
Native Copper (Cu)
mineral
Porphyritic Basalt or Porphyritic Andesite
Porphyritic Extrusive Igneous Rock
igneous
Green Schist
Greenschist (Chlorite Schist)
metamorphic
Granite and Porphyry Pebbles
Intrusive Igneous Rock
igneous
Red Sandstone
Quartz Arenite (with Iron Oxide)
sedimentary
Granite
Intrusive Igneous Rock
igneous
Fluorite Bracelet
Calcium Fluoride (CaF2)
mineral
Beryl (likely Emerald or Aquamarine in matrix)
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Copper
Native Copper (Cu)
mineral
Chromite
Chromite (FeCr2O4)
mineral
Granite
Intrusive igneous rock primarily composed of quartz, alkali feldspar, and plagioclase
igneous
Quartz–calcite sulfide-bearing mineral specimen
Quartz (SiO₂) with likely calcite (CaCO₃) and iron sulfides, possibly pyrite (FeS₂); exact species requires testing
mineral
Jewelry Chain with Blue and Clear Gemstones (Likely Cubic Zirconia)
Cubic Zirconia (ZrO₂), Silver or White Gold/Platinum Alloy
Mineral (synthetic) and Metal (precious/base)
Granite
Intrusive Igneous Rock
igneous
Mica-rich metamorphic rock, likely schist
Quartz–mica schist; commonly quartz with muscovite and/or biotite mica
metamorphic
Quartz vein in metamorphic rock
Crystalline Silicon Dioxide (SiO2) in Host Rock
metamorphic
Granite Pebble with Quartz Vein
Granite (Plutonic Igneous Rock) with Quartz (SiO2)
igneous
Limonite and Goethite
Limonite (hydrated iron(III) oxide-hydroxide) and Goethite (α-FeO(OH))
mineral
Gold Nugget / Flake
Native Gold (Au)
mineral
Biotite-rich mica schist
Mica schist, dominated by biotite mica (K(Mg,Fe)₃AlSi₃O₁₀(F,OH)₂), with probable quartz and feldspar
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Standing Liberty Quarter (Silver Specimen)
Native Silver alloy (Ag with Cu traces)
mineral
Bull Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Vanadinite
Pb5(VO4)3Cl
mineral
Native gold in quartz (probable)
Gold (Au), with quartz (SiO₂) matrix
mineral
Moss Agate
Silicon Dioxide (SiO2) with inclusions of Manganese or Iron oxide
mineral
Gold Nugget
Native Gold (Au)
mineral
Banded Calcite (Mexican Onyx)
Calcium Carbonate (CaCO3)
mineral
Silicon
Crystalline Silicon (Si)
mineral
Native Copper Nugget
Native Copper (Cu)
mineral
Bauxite (Laterite Clay)
Bauxite (mixture of Hydrous Aluminum Oxides: Gibbsite Al(OH)3, Boehmite and Diaspore AlO(OH))
sedimentary
Dyed Aura Quartz
Silicon Dioxide (SiO2) with metallic coating
mineral
Rose Quartz and Lepidolite in Pegmatite
Crystalline Silicon Dioxide (SiO2) with Lithium-rich Mica (K(Li,Al)3(Al,Si)4O10(F,OH)2)
igneous
Iron Meteorite / Chondrite (Possible)
Extraterrestrial stony-iron or chondritic meteorite
meteorite
Bismuth
Bismuth (Bi)
mineral