Quartz (Milky Quartz / Quartzite)
Silicon Dioxide (SiO2)
Category
Browse mineral (specifically a variety of quartz) specimens identified by the Rock Identifier community.
Quartz (Milky Quartz / Quartzite)
Silicon Dioxide (SiO2)
Pink Granite
Granite (composed primarily of Quartz, K-Feldspar, and Plagioclase)
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
Blue Chalcedony (Agate)
Cryptocrystalline Quartz (SiO2)
Tumbled brown quartz/chalcedony (probable)
Quartz, SiO₂; possibly brown chalcedony or jasper
Citrine Quartz
Silicon Dioxide (SiO2)
Iron-stained Quartz
Silicon Dioxide (SiO2) with Limonite/Hematite inclusions
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
Tumbled amethyst
Quartz, crystalline silicon dioxide (SiO₂), purple variety colored mainly by iron impurities and irradiation
Quartz
Silicon Dioxide (SiO2)
Leopardskin Jasper
Jasper (a variety of microcrystalline Quartz)
Chert (Jasper)
Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Amazonite
K(AlSi3O8), Microcline Feldspar
Jasper with Quartz Vein
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Amazonite
Microcline (KAlSi3O8)
Red jasper (likely hematite-rich jasper)
Microcrystalline quartz (SiO₂) with iron oxides, chiefly hematite (Fe₂O₃)
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Green Aventurine and Clear Quartz
Green Aventurine (Silicon Dioxide - SiO2 with Fuchsite inclusions); Clear Quartz (Silicon Dioxide - SiO2)
Tumbled milky quartz
Quartz (silicon dioxide, SiO₂)
Eagle Eye Stone (Green Tiger's Eye)
Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions)
Red jasper (likely rough jasper/chert)
Microcrystalline quartz (SiO₂), commonly colored by iron oxides
Rose Quartz and Milky Quartz
Silicon Dioxide (SiO2)
Orthoclase Feldspar with Quartz
Orthoclase (KAlSi3O8)
Mixed Tumbled Stones Collection
Mixed Silicates and Carbonates (Quartz, Amorphous Silica, Carbonates)
Green Quartz / Chrysoprase / Sea Glass
Silicon Dioxide (SiO2)
Moonstone
Orthoclase Feldspar (KAlSi3O8)
Quartz (Rose or Clear variety)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
White Quartz Pendant
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace Titanium, Iron, or Manganese