Quartz Nut
Silicon Dioxide (SiO2)
mineral
Category
Man Made Glass
Browse man made glass specimens identified by the Rock Identifier community.
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Milky Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartzite (Iron-stained)
Quartzite (SiO2 with Fe2O3 staining)
metamorphic
Quartz (Milky/Opaque variety)
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Feldspar
Potassium Feldspar (KAlSi3O8)
mineral
Quartzite Pebbles
Quartzite (SiO2)
metamorphic
Fluorite
Calcium Fluoride (CaF2)
mineral
Quartz / Quartz Cluster
Silicon Dioxide (SiO2)
mineral
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
sedimentary
Quartzite River Cobble
Quartzite (SiO2)
metamorphic
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Chert Nodules
Microcrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Quartz Pebble (with Iron Staining)
Crystalline Silicon Dioxide (SiO2)
mineral
Chert (and Limestone)
Chert (consisting of Microcrystalline Quartz, SiO2)
sedimentary
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Amethyst
Silicon dioxide (SiO2) with iron impurities
mineral
Quartz Druze (on Matrix)
Silicon Dioxide (SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Iron impurities
mineral
Obsidian
Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)
Igneous
Chert (Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Jasper (Polychrome Jasper)
Silicon Dioxide (SiO2) with various inclusions
sedimentary
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Flint)
Chert (Cryptocrystalline Quartz, SiO2)
sedimentary
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Rose Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Ferro-Manganese Slag
Vitreous Silicate Slag
Anthropogenic (Industrial byproduct)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lepidolite - Lithium-rich Mica)
mineral
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Greenstone / Epidosite
Epidosite (Metasomatic rock consisting mainly of Epidite Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH) and Quartz)
metamorphic
Zebra Jasper
Opaque microcrystalline Quartz (SiO2) with impurities
sedimentary