Diamond jewelry
Diamond (crystalline carbon, C)
gemstone
Category
Man Made Material (Metal)
Browse man made material (metal) specimens identified by the Rock Identifier community.
Learn about Man Made Material (Metal) in the encyclopedia
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Quartzite
Quartzite (SiO2)
metamorphic
Milky Quartz with Iron Oxide Weathering
Silicon Dioxide (SiO2) with Goethite/Limonite coatings
mineral
Lepidolite
K(Li,Al)3(Al,Si,3O10)(F,OH)2
mineral
Greenstone
Metamorphic Greenstone (Greenschist facies)
metamorphic
Quartzite Pebble
Quartzite (Silicon Dioxide, SiO2)
metamorphic
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Quartzite
Quartzite (composed primarily of Quartz, SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Chert / Flint
Silicon Dioxide (SiO2)
sedimentary
Quartzite with Hematite staining
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Rough Emerald Crystals
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Quartzite with inclusions
Quartzite (SiO2) with likely Feldspar or Iron oxide inclusions
metamorphic
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Quartzite with Quartz Vein
Metamorphosed Quartz-rich Sandstone (SiO2)
metamorphic
Ironstone (possibly Bog Iron or Limonite)
Goethite-rich Ironstone (FeO(OH))
sedimentary
Quartzite
Metamorphosed Sandstone (Mainly SiO2)
metamorphic
Gold Nugget
Gold (Au)
mineral
Obsidian
Volcanic glass (SiO2 - Silicon Dioxide)
igneous
Aventurine
Quartz (SiO2) with inclusions of Fuchsite
mineral
Pyrite with Calcite
Iron Disulfide (FeS2) with Calcium Carbonate (CaCO3)
mineral
Gossan (Iron Hat)
Hydrous Iron Oxides (predominantly Goethite FeO(OH) and Limonite)
mineral
Ruby and Sapphire Cluster Ring
Corundum (Al2O3)
gemstone
Green Aventurine
Silicon Dioxide with Fuchsite (SiO2)
mineral
Diamond (Cut Gemstones in Jewelry)
Carbon (C)
gemstone
Cubic Zirconia and Synthetic Ruby Jewelry
Cubic Zirconia (ZrO2) and Synthetic Corundum (Al2O3)
gemstone
Cubic Zirconia (CZ) in Gold-Plated Setting
Cubic Zirconium Dioxide (ZrO2)
mineral
Amethyst
Silicon dioxide (SiO2) with iron impurities
mineral
Dalmatian Stone
Dalmatian Jasper (Peralkaline Quartz-Feldspar Rock)
igneous
Granite
Phaneritic Plutonic Igneous Rock (Rich in SiO2)
igneous
Dalmatian Jasper
Peralkaline Quartz-Feldspar Igneous Rock
igneous
Gold Nugget
Native Gold (Au)
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Quartzite (River Pebble)
Quartzite (mainly SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Chalcopyrite-bearing Ore
Chalcopyrite (CuFeS2)
mineral
Blue Celestite
Celestine (Strontium Sulfate, SrSO4)
mineral
Quartzite (Milky Quartz pebble)
Silicon Dioxide (SiO2)
metamorphic
Beryl (Variety: Aquamarine)
Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)
mineral