Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Man Made Glass
Browse man made glass specimens identified by the Rock Identifier community.
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Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
mineral
Smoky Quartz Cluster
Silicon Dioxide (SiO2)
mineral
Red Cubic Zirconia (Simulated Garnet)
Zirconium Dioxide (ZrO2)
mineral
Sandstone
Arenite
sedimentary
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
gemstone
Quartz (Milky/Gold-stained)
Silicon Dioxide (SiO2)
mineral
Chert (Flint)
Microcrystalline Quartz or Cryptocrystalline Silica (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Citrine
Citrine (Silicon Dioxide, SiO2)
mineral
Rose Quartz
Rose Quartz (SiO2)
mineral
Pink Quartz (Rose Quartz)
Silicon Dioxide (SiO2)
mineral
Banded Agate
Agate (Silicon Dioxide / SiO2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Rose Quartz, Fuchsite, and Green Aventurine Collection
Silicon Dioxide (SiO2) and Potassium aluminum silicate hydroxide fluoride (KAl2(AlSi3O10)(OH, F)2)
mineral
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Fluorite (likely Fluorite on Quartz/Matrix)
Calcium Fluoride (CaF2)
mineral
Sandstone
Arenite (SiO2 primarily)
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Chert with Desert Varnish
Cryptocrystalline Quartz (SiO2) with Manganese/Iron oxide coating
sedimentary
Quartzite River Cobble
Quartzite (SiO2)
metamorphic
Black Jasper (Etched)
Silicon Dioxide (SiO2) with impurities
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Basalt with Peridotite Inclusion
Mafic Volcanic Rock (Extrusive Igneous) with Ultramafic Xenolith
igneous
Lavender Quartz (appearing as beads) and Druzy Quartz
Silicon Dioxide (SiO2)
mineral
Olivine
Olivine group (Mg, Fe)2SiO4
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Microcline (Potassium Feldspar)
Microcline (KAlSi3O8)
mineral
Milky Quartz Pebble with Iron Inclusions
Silicon Dioxide (SiO2) with iron oxide impurities
sedimentary
Clear Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Quartz (Milky variant)
Silicon Dioxide (SiO2)
mineral