Green Jasper with Agate Banding
Silicon Dioxide (SiO2) with impurities of ferrous silicate or chlorite
Category
Browse sedimentary (physico chemical precipitate) specimens identified by the Rock Identifier community.
Green Jasper with Agate Banding
Silicon Dioxide (SiO2) with impurities of ferrous silicate or chlorite
Synthetic Faux Fur Fursuit
Polyacrylonitrile / Polyester (Synthetic Textile)
Angel Aura Quartz (Treated Clear Quartz)
Silicon Dioxide (SiO2) coated with Vaporized Silver and Platinum
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
Banded Calcite (Tumbled)
Calcium Carbonate (CaCO3)
Titanium Aura Quartz
Titanium bonded Silicon Dioxide (SiO2 + Ti)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Orangey-white variety)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Rough Quartz (with potential Host Rock)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2 silicon dioxide)
Pink Stained Rock (Likely Quartzite or Sandstone with Iron Oxide Staining)
Quartzite (metamorphic) or Sandstone (sedimentary); coloration likely due to hematite or other iron oxides.
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Milky Quartz / Quartzite)
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky/Yellowish Pebble)
Silicon Dioxide (SiO2)
Gold Nugget
Native Gold (Au)
Quartzite
Quartzite (SiO2)
Diamond (as set in a gold ring)
Carbon (C)
Quartzite
Quartzite (SiO2)
Banded Agate
Agate (Cryptocrystalline variety of Silica, SiO2)
Dyed Agate
Silicon Dioxide (SiO2) with synthetic dyes
Quartzite
Quartzite (primarily SiO2)
Chalcedony (Botryoidal or Agate nodule)
Silicon Dioxide (SiO2)
Amber (Black)
Amber (succinite, retinite, etc., specifically, heavily included/dark varieties)
Diabase (Greenstone)
Diabase (also known as Dolerite)
Gold Nugget
Native Gold (Au)
Azurite and Malachite
Azurite (Cu3(CO3)2(OH)2) and Malachite (Cu2(CO3)(OH)2)
Aragonite (Yellow/Honey Tumble)
Calcium Carbonate (CaCO3)
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with inclusions of Dumortierite or Magnesio-riebeckite
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with inclusions of crocidolite or dumortierite
Desert Rose
Gypsum or Barite (CaSO4·2H2O or BaSO4)
Yellow Quartzite (Iron-Stained Quartz)
Quartzite (SiO2 with Fe-oxide impurities)
Quartzite Pebbler
Quartzite (SiO2)
Quartzite (River Pebble)
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Pink Granite
Granite (Felsic Plutonic Rock)
Quartzite
Quartzite (primarily SiO2)
Quartzite Pebble
Quartzite (SiO2)
Agate
Agate (a variety of Chalcedony, SiO2)