Arsenopyrite in Quartz Matrix
Arsenopyrite (FeAsS)
Category
Browse synthetic glass (often categorized as a simulated mineral) specimens identified by the Rock Identifier community.
Arsenopyrite in Quartz Matrix
Arsenopyrite (FeAsS)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Milky Quartz with Mica inclusions
Silicon Dioxide (SiO2) with Muscovite/Biotite
Chrysocolla and Malachite Beads
Hydrated copper silicates (Chrysocolla) and Copper carbonate hydroxide (Malachite)
Quartz with Pyrite inclusions
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
Quartz (Massive Quartz or Quartzite)
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone Beach Pebble
Clastic Sedimentary Rock (primarily Quartz with Iron Oxide coating)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
Citrine
Silicon Dioxide (SiO2)
Potassium Feldspar (Orthoclase)
KAlSi3O8
Milky Quartz with Pyrite inclusions
Silicon Dioxide (SiO2) with Iron Disulfide (FeS2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Slag
Anthropogenic Iron Silicate Glass
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone (Fossiliferous)
Clastic Sedimentary Rock (primarily SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Blue Moss Agate / Blue Chalcedony
Silicon Dioxide (SiO2)
Sandstone
Arenite (primarily SiO2)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing mica)
Quartz nodule (River pebble)
Silicon Dioxide (SiO2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within Metasedimentary or Igneous matrix
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone or Limestone
Arenite or Calcareous Sedimentary Rock
Slag Glass
Anthropogenic Amorphous Silicon Dioxide
Obsidian
Volcanic Glass (predominantly SiO2)
Quartzite with inclusions
Metamorphic Rock (Mainly SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Variety: Rose Quartz/Smoky Quartz mix)
Silicon Dioxide (SiO2)
Jasper
Jasper (Cryptocrystalline Quartz, SiO2)