Rose Quartz
Silicon Dioxide (SiO2) with traces of Titanium, Iron, or Manganese
mineral
Category
Man Made Silicate (Anthropogenic Glass)
Browse man made silicate (anthropogenic glass) specimens identified by the Rock Identifier community.
Yellow Quartz (Citrine or Yellow Jasper)
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Scoria
Vesicular Basaltic Glass
igneous
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Quartzite with Hematite staining
Quartzite (SiO2)
metamorphic
Quartz / Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-stained or Ferruginous Quartz)
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Fluorite
Calcium fluoride (CaF2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite with Iron Staining
Silicon Dioxide (SiO2) with Fe2O3 impurities
metamorphic
Quartz (Rose or Clear variety)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or Smoky Quartz)
Quartz (Silicon Dioxide, SiO2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Chert (Nodule)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Sandstone (likely Arkose)
Arenite (Feldspathic Sandstone / Arkose)
sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Sandstone (Yellow/Siltstone variant)
Arenite (SiO2 primarily)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone (Quartzose Sandstone Pebble)
Arenite (primarily SiO2)
sedimentary
Iron-stained Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
mineral
Quartz (specifically Citrine or Yellow Quartzite pebble)
Silicon Dioxide (SiO2)
mineral
Red Sandstone
Arenite (Fe2O3 rich)
sedimentary
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Mineral
Milk Quartz (Tumbled Pebble)
Quartz (Silicon Dioxide, SiO2)
mineral
Chert (Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Sandstone
Arenite (primarily SiO2)
sedimentary
Quartz (River Cobble)
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone with Algae Growth
Arenite with Chlorophyta/Lichen
sedimentary
Sandstone (likely Quartzose Sandstone)
Arenite (primarily SiO2)
sedimentary
Sandstone
Arenite (primarily SiO2 - Silicon Dioxide)
sedimentary
Red Quartzite
Quartzite (primarily SiO2)
metamorphic
Sandstone
Arenite
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Sandstone (Ferruginous)
Ferruginous Sandstone (SiO2 with Fe2O3)
sedimentary