Small metallic meteorite fragment (probable stony-iron or iron meteorite)
Unclassified meteoritic material; exact classification requires chemical and petrographic testing
meteorite
Category
Mineral (Refined Metal)
Browse mineral (refined metal) specimens identified by the Rock Identifier community.
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Fluorite Bracelet
Calcium Fluoride (CaF2)
mineral
Native Copper Nugget
Native Copper (Cu)
mineral
Granite and Porphyry Pebbles
Intrusive Igneous Rock
igneous
Native Copper (Penny specimen)
Native Copper (Cu)
mineral
Vanadinite
Pb5(VO4)3Cl
mineral
Sandstone (Whetstone/Sharpening Stone)
Siliciclastic Sandstone (SiO2 dominant)
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Weathered breccia or hydrothermal vein rock
Silicified polymict breccia, likely quartz–iron-oxide breccia
rock
Lepidolite in Mica Schist
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
metamorphic
Quartz Vein in Matrix (Gneiss/Schist)
Silicon Dioxide (SiO2) in Metamorphic Rock Matrix
metamorphic
Serpentinite
Serpentinite (Mg, Fe, Ni)3Si2O5(OH)4
metamorphic
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral with metamorphic or sedimentary host
Beryl (Aquamarine)
Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Granite
Felsic intrusive igneous rock
igneous
One Pound Coin (UK)
Nickel-Brass Alloy (Cu-Zn-Ni)
mineral
Granite
Intrusive Igneous Rock
igneous
Bismuth
Bismuth (Bi)
mineral
Gold Nugget / Flake
Native Gold (Au)
mineral
Dyed Aura Quartz
Silicon Dioxide (SiO2) with metallic coating
mineral
Sunstone
Andesine-Labradorite Feldspar ((Ca,Na)(Al,Si)4O8)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
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
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Mineral Sand (Heavy Mineral Sand Concentrate)
Placer deposit concentrate containing minerals such as ilmenite, rutile, zircon, and magnetite
mineral
Granite
Intrusive Igneous Rock
igneous
Quartz–calcite sulfide-bearing mineral specimen
Quartz (SiO₂) with likely calcite (CaCO₃) and iron sulfides, possibly pyrite (FeS₂); exact species requires testing
mineral
Granite
Intrusive Igneous Rock
igneous
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
Milky Quartz in Gneiss
Quartzite / Foliated Gneiss containing SiO2
metamorphic
Porphyritic Basalt or Porphyritic Andesite
Porphyritic Extrusive Igneous Rock
igneous
Chromite
Chromite (FeCr2O4)
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)
Jasper
Silicon dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral