Gold Nugget
Native Gold (Au)
mineral
Category
Mineral (Native Element)
Browse mineral (native element) specimens identified by the Rock Identifier community.
Gold
Native Gold (Au)
mineral
Gold Nugget
Native Gold (Au)
mineral
Diamond
Diamond (Pure Carbon, C)
mineral
Diamond in Kimberlite
Diamond (C in Kimberlite Matrix)
igneous
Sandstone (Quartzite Pebble)
Arenite / Metamorphosed Sandstone (SiO2)
sedimentary
Diamond (as set in a metal alloy ring)
Diamond (Pure Carbon, C)
mineral
Diamond (Uncut Crystal)
Carbon (C)
mineral
Diamond
Carbon (C)
mineral
Obsidian
Obsidian (Volcanic Glass, SiO2 dominated)
igneous
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Pink Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic Extrusive)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Celestite (Celestine)
Strontium sulfate (SrSO4)
mineral
Fossilized Bone Fragment
Permineralized Skeletal Element (Likely Vertebrate)
sedimentary
Diamond
Diamond (pure Carbon, C)
mineral
Bismuth Crystal
Bismuth (Bi)
mineral
Gold Ore in Quartz
Auriferous Quartz (Au + SiO2)
igneous
Yellow Jasper
Chalcedony (Silicon Dioxide with Iron inclusions), SiO2
sedimentary
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic Extrusive volcanic rock)
igneous
Obsidian
Obsidian (principally SiO2 - Silicon Dioxide)
igneous
Turquoise
Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Celestite (Celestine)
Strontium sulfate (SrSO4)
mineral
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock)
igneous
Native Sulfur
Sulfur (S)
mineral
Native Silver
Silver (elemental Ag)
mineral
Manganese Ore (Psilomelane/Pyrolusite)
Psilomelane ((Ba,H2O)2Mn5O10) and Pyrolusite (MnO2)
Mineral
Nickel
Nickel (Ni)
mineral
Bismuth Crystal
Bismuth (Bi)
mineral
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
mineral
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic extrusive volcanic rock with secondary mineral infilling)
igneous
Turquoise and Hematite
CuAl6(PO4)4(OH)8·4H2O (Turquoise) and Fe2O3 (Hematite)
mineral
Rough Diamond
Diamond (Native Carbon, C)
mineral
Diamond (in jewelry setting)
Diamond (Native Carbon, C)
mineral
Gold Ore
Native Gold in Quartz (Au)
mineral
Gold Ore
Native Gold (Au) in Matrix
mineral
Amygdaloidal Basalt
Vesicular Basalt with secondary mineral infilling (commonly Zeolite, Calcite, or Quartz)
igneous
Turquoise
Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Turquoise
Hydrated phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)
mineral
Amygdaloidal Basalt
Amygdaloidal Mafic Volcanic Rock (Basalt)
igneous
Amygdaloidal Basalt
Amygdaloidal Mafic Volcanic Rock
igneous