Quartzite with inclusions or a banded chert
Quartzite or Chert
Metamorphic or Sedimentary
Category
Mineral (Man Made Glass)
Browse mineral (man made glass) specimens identified by the Rock Identifier community.
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Quartz (Microcrystalline Fragment)
Silicon Dioxide (SiO2)
mineral
Pink Feldspar
Orthoclase (KAlSi3O8)
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Potassium Feldspar (Microcline)
KAlSi3O8
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Honey calcite cluster
Calcite (calcium carbonate, CaCO₃)
mineral
Weathered Sandstone
Quartz Arenite / Clastic Sedimentary Rock
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Sedimentary Clastic Rock (Quartz arenite)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz with Chlorite or Hornblende inclusions
Silicon dioxide (SiO2) with phyllosilicate or amphibole inclusions
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Tumbled amethyst with possible lepidolite/colored quartz companion
Amethyst, purple quartz (SiO₂), likely with iron-related color centers
mineral
Quartz (Raw Chunk)
Silicon Dioxide (SiO2)
mineral
Tumbled Amethyst
Quartz (SiO2) with trace amounts of Iron (Fe)
mineral
Quartz (Grain)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Sandstone
Arenite (SiO2 primarily)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone
Arenite (composed of SiO2, CaCO3, or iron oxides)
sedimentary
White Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Jasper / Chert)
Silicon Dioxide (SiO2)
sedimentary
Aquamarine
Beryl (Be3Al2(SiO3)6)
gemstone
Green Jasper
Microcrystalline Quartz (Chalcedony), SiO2
sedimentary
Large calcite crystal cluster
Calcite (calcium carbonate, CaCO₃)
mineral
Yellow Jasper
Chalcedony (Silicon Dioxide with Iron inclusions), SiO2
sedimentary
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz / Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Amethyst
Quartz (Silicon Dioxide, SiO2 with iron impurities)
mineral
Agate
Silicon dioxide (Chalcedony), SiO2
gemstone
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral