Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Category
Mineral (Man Made Glass)
Browse mineral (man made glass) specimens identified by the Rock Identifier community.
Quartzite with inclusions
Metamorphic Rock (Mainly SiO2)
metamorphic
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Muscovite (White Mica)
Muscovite - Potassium aluminum silicate: KAl2(AlSi3O10)(F,OH)2
Mineral
Quartz Vein Rock
Quartz (Silicon Dioxide, SiO2)
igneous
Sandstone
Arenite (SiO2 based with mineral cement)
sedimentary
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Quartz or Citrine
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon dioxide (SiO2)
mineral
Amethyst Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Quartzite River Rock
Quartzite (primarily SiO2)
metamorphic
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Jasper
Jasper (Silicate mineral, SiO2)
sedimentary
Sandstone (Ferruginous)
Arenite (Fe2O3 rich)
sedimentary
Pyrite
Iron Disulfide (FeS2)
mineral
Granite
Granite (Phaneritic Igneous Rock / Quartz, Feldspar, Mica)
igneous
Banded Chert (Jasper)
Silicon Dioxide (SiO2)
sedimentary
Granitic Pegmatite
Granitic Pegmatite (principally Quartz, Potassium Feldspar, and Mica)
igneous
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
sedimentary
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within a metamorphic matrix
metamorphic
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Rose Quartz
Silicon dioxide (SiO2)
mineral
Quartz with Limonite Staining
Silicon Dioxide (SiO2) with Hydrated Iron Oxide (FeO(OH)·nH2O)
Mineral
Snowflake Obsidian
Vitreous volcanic silicate (SiO2 with Cristobalite inclusions)
Igneous
Quartz Pebble
Silicon Dioxide (SiO2)
Mineral
Sandstone
Arenite (SiO2 based)
sedimentary
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
mineral
Slag (Industrial Glass Slag)
Amorphous Silicate Glass (often containing Al, Ca, Mg, and Ti oxides)
Mineraloid (Industrial byproduct)
Pyrite
Iron Sulfide (FeS2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Obsidian
Amorphous volcanic glass (primarily SiO2)
igneous
Sandstone (with biological crust)
Arenite (SiO2 based)
sedimentary