Milky or Iron-Stained Quartz
Quartz (Silicon Dioxide, SiO2)
Category
Browse synthetic glass (often categorized as a simulated mineral) specimens identified by the Rock Identifier community.
Milky or Iron-Stained Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Sandstone
Arenite
Quartz Pebble
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Yellow Quartzite (or Yellow Chalcedony Pebble)
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Chert (Cherty Limestone / Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Sandstone (Weathered)
Arenite (primarily SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Sandstone
Arenite (SiO2 based)
Aquamarine (Beryl) Beads
Beryllium aluminum silicate (Be3Al2Si6O18)
Sandstone
Sandstone (clastic sedimentary rock)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Rose Quartz and Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz (Tumbled)
Silicon Dioxide (SiO2)
Sandstone
Arenite
Sandstone
Arenite (SiO2 principal)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Orpiment
Orpiment (As2S3)
Rose Quartz
Quartz (SiO₂), specifically a variety of Quartz
Yellow Quartz
Silicon Dioxide (SiO2)
Botryoidal Chalcedony / Quartz
Silicon Dioxide (SiO2)
River Quartz
Quartz (Silicon Dioxide, SiO2)
Lepidolite Bracelet
Lepidolite (K(Li,Al)3(Si,Al)4O10(F,OH)2) often in Quartz matrix
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
Fluorite
Calcium Fluoride (CaF2)
Sandstone (specifically Lithic or Quartz Arenite)
Arenite (composed primarily of SiO2)
Red Jasper (Chalcedony)
Silicon Dioxide (SiO2) with iron oxide inclusions
Quartz Pebble
Silicon Dioxide (SiO2)
Orthoclase Feldspar (Sunstone variety)
KAlSi3O8 (Potassium Aluminum Silicate)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) in matrix
Blue Quartz (specifically Dumortierite Quartz)
Silicon Dioxide (SiO2) with inclusions of Dumortierite (Al7BO3(SiO4)3O3)
Milky Quartz with Garnet/Hematite and Basalt
Silicon Dioxide (SiO2) with Almandine (Fe3Al2Si3O12) and Basalt
Sandstone
Arenite (primarily SiO2)
Quartz
Silicon Dioxide (SiO2)
Ferruginous Quartz (Stained Quartz)
Silicon Dioxide (SiO2) with secondary Iron Oxide inclusions (Limonite/Hematite)
Agate in Matrix
Silicon Dioxide (SiO2) within host rock
Citrine Quartz Sphere
Silicon Dioxide (SiO2)