Dragon Vein Agate
Chalcedony (cryptocrystalline Quartz), SiO2
mineral
Category
Mineral Based Human Made Alloy
Browse mineral based human made alloy specimens identified by the Rock Identifier community.
Learn about Mineral Based Human Made Alloy in the encyclopedia
View all →
Iron Meteorite
Siderite (Iron-Nickel Alloy)
mineral
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone (Water-worn Cobble)
Arenite (SiO2 based)
sedimentary
Sandstone (Stream-rounded)
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone (Quartz-rich)
Arenite (SiO2 based)
sedimentary
Sandstone (Quartzose)
Arenite (SiO2 based)
sedimentary
Sandstone (Quartz Sandstone)
Arenite (SiO2 based)
sedimentary
Sandstone Pebble
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Moss Agate
Silicon Dioxide with inclusions (SiO2)
mineral
Vanadinite
Pb5(VO4)3Cl
mineral
Chert with Chalcedony/Quartz Vug
Cryptocrystalline Silica (SiO2)
sedimentary
Sandstone (likely Arkosic or Lithic Sandstone)
Arenite (SiO2 based with mineral inclusions)
sedimentary
Diorite (River Pebble)
Intermediate Phaneritic Igneous Rock
igneous
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Sandstone (with biological crust)
Arenite (SiO2 based)
sedimentary
Aquamarine
Beryl (Be3Al2Si6O18), specifically the blue-green variety
Mineral
Biotite Mica
Biotite (K(Mg,Fe)3AlSi3O10(OH,F)2)
mineral
Fossilized Shark Tooth
Bioapatite (Calcium Hydroxyapatite) replacement
mineral
Granite Thin Section
Granitic rock (Phaneritic texture)
igneous
Vanadinite on Barite
Pb5(VO4)3Cl (Vanadinite) with BaSO4 (Barite)
mineral
Sandstone (with Possible Iron Staining/Crust)
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone (likely Arkosic or Quartzose)
Arenite (SiO2 based with mineral inclusions)
sedimentary
Standing Liberty Quarter (Silver Specimen)
Native Silver alloy (Ag with Cu traces)
mineral
Granite
Granite (Felsic Plutonic Rock)
igneous
Muscovite Mica
Muscovite KAl2(AlSi3O10)(OH)2
mineral
Sandstone with Manganese Dendrites
Clastic Sedimentary Rock (SiO2 based with MnO2 inclusions)
sedimentary
Chalcedony (Grey/White Agate)
Silicon Dioxide (SiO₂)
mineral
Polished white chalcedony or milky quartz pebble
Chalcedony, microcrystalline quartz (SiO₂), possibly with iron-oxide staining or a minor mineral inclusion
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (SiO2 based)
sedimentary
Dyed Dragon Vein Agate
Silicon Dioxide (SiO2) with artificial pigment
mineral
N/A - Non-Geological Item
not a rock/mineral
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone with Tafoni Weathering
Arenite (SiO2 based)
sedimentary
Sandstone (River Pebble)
Arenite (SiO2 based)
sedimentary
Slag
Anthropogenic glassy silicate
Mineral-like byproduct