Green Glass Cullet / Recycled Glass
Amorphous Silicon Dioxide (SiO2) with various metal oxides
Man-made Glass (Not a natural rock or mineral)
Category
Mineral Description (Anthropogenic Material)
Browse mineral description (anthropogenic material) specimens identified by the Rock Identifier community.
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Sandstone (Quartz-rich)
Arenite
sedimentary
White Quartz
Silicon Dioxide (SiO2)
mineral
Milky quartz with dark host-rock inclusions
Quartz (SiO₂), likely in a granitic or metamorphic matrix
mineral
Diamond (Cut Gemstone)
Carbon (C)
mineral
Goldstone
Aventurine Glass (Man-made)
mineral
Possible weathered quartz-rich rock or iron-stained mineral fragment
Indeterminate; possibly quartz (SiO₂) with iron-oxide inclusions
mineral
Sandstone
Clastic sedimentary rock (primarily quartz arenite)
sedimentary
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Sandstone (likely Quartzose)
Arenite (SiO2 principal mineral)
sedimentary
Small pale mineral fragment
Unidentified; possibly quartz, calcite, or feldspar
mineral
Green glass-like cabochon, likely synthetic glass or resin
Unidentified green transparent material; possibly molded glass, synthetic spinel, or resin
gemstone
Shark Tooth Fossil
Vertebrate fossilized tooth
fossil
Likely basalt pebble
Basalt; fine-grained mafic volcanic rock, chiefly plagioclase and pyroxene with possible olivine
igneous
Sandstone
Arenite
sedimentary
Mottled gabbro or diorite pebble
Coarse-grained mafic/intermediate intrusive rock; chiefly plagioclase feldspar plus pyroxene, with possible amphibole or biotite
igneous
Sandstone
Arenite (SiO2 primarily)
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Likely basalt with a pale mineral-filled vesicle
Vesicular basalt, probably containing calcite or zeolite (uncertain from image)
igneous
Quartz Chip
Silicon Dioxide (SiO2)
mineral
Granite
Granite
Igneous
Sandstone Pebble
Arenite (SiO2 based)
sedimentary
Dinosaur Claw Fossil
Fossilized Theropod Claw (Vertebrate Palaeontological Specimen)
fossil
Sandstone
Clastic sedimentary rock
sedimentary
Likely weathered metallic mineral or slag fragment
Indeterminate; possibly iron-rich sulfide/oxide material or industrial slag
mineral
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Asphalt Concrete
Bituminous conglomerate
sedimentary
Fossilized Shark Tooth
Chondrichthyes (Class) fossil
fossil
Petrified Wood
Silicified wood (Quartz/Chalcedony replacement of organic matter)
sedimentary
Glass
Amorphous Silicon Dioxide (SiO2)
mineraloid
Quartz
Silicon Dioxide (SiO2)
mineral
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Sandstone (Pebble)
Arenite (SiO2 based)
sedimentary
Sandstone (Banded)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Quartz vein in Schist
Crystalline Silicon Dioxide (SiO2) in Metamorphic Host
metamorphic
Polished kambaba jasper
Orbicular stromatolitic jasper; microcrystalline quartz (SiO₂) with chlorite/amphibole-rich inclusions
sedimentary
Petrified Wood
Silicified Wood (SiO2 as Quartz/Chert/Chalcedony)
sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Sandstone
Arenite (SiO2 principal)
sedimentary
Zebra Jasper
Tetragonal Silicon Dioxide (Quartz) with impurities
sedimentary
Sandstone
Arenite (SiO2 dominant)
sedimentary