Quartz Vein Rock
Silicon Dioxide (SiO2)
mineral
Category
Man Made Object (Metal Alloy)
Browse man made object (metal alloy) specimens identified by the Rock Identifier community.
Learn about Man Made Object (Metal Alloy) in the encyclopedia
View all →
Quartz
Silicon Dioxide (SiO2)
mineral
Jasper
Microcrystalline quartz (SiO2)
sedimentary
Diamond (in Jewelry)
Carbon (C)
mineral
Pearl
Aragonite / Calcium Carbonate (CaCO3)
mineraloid
Sandstone
Arenite (SiO2 composition dominant)
sedimentary
Green Aventurine
Quartz variety (SiO2) with fuchsite inclusions
mineral
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Nephrite Jade
Nephrite
Mineral/Rock
Diamond
Native Carbon (C)
gemstone
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Jasper
Microcrystalline Quartz (SiO2) with impurities
sedimentary
Quartz (Rose Quartz)
Silicon Dioxide (SiO2)
mineral
Diamond
Carbon (C)
mineral
Rhodonite
Inosilicate, (Mn,Fe,Mg,Ca)SiO3
mineral
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
mineral
Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
mineral
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Chalk
Micrite (primarily Calcium Carbonate or CaCO3)
sedimentary
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
mineral
Pearl
Organic gemstone (Calcium carbonate - CaCO3)
mineral
Chert (variations include Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Diamond
Carbon (C)
mineral
Diamond
Carbon (C)
gemstone
Pyrite
Iron Disulfide (FeS2)
mineral
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
White Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Basalt
Basalt (comprising Plagioclase feldspar, Pyroxene, and Olivine)
igneous
Sandstone
Arenite (SiO2, often with CaCO3 or Fe2O3 cement)
sedimentary
Gossan (Iron Cap)
Limonitic Gossan (Fe2O3·nH2O mixed)
sedimentary
Calcite
Calcium Carbonate (CaCO3)
mineral
Diamond
Diamond (pure carbon C)
mineral
Vesicular Rhyolite
Rhyolite (High-silica volcanic rock)
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Iron Meteorite
Siderite (comprised primarily of Kamacite and Taenite alloys)
igneous
Amethyst
Silicon Dioxide with iron impurities (SiO2)
mineral
Graphite
Graphite (Carbon, C)
mineral
Pyrite in Matrix
Iron Sulfide (FeS2)
mineral
Red Quartzite
Quartzite (Metamorphosed Quartz Arenite)
metamorphic
Quartzite
Metamorphic Quartz Rock (SiO2)
metamorphic
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic