Tourmalinated Quartz
Quartz (SiO2) with included Tourmaline (complex borosilicate)
Mineral composite
Category
Mineral Like Byproduct
Browse mineral like byproduct specimens identified by the Rock Identifier community.
Pyrite
Iron Sulfide (FeS2)
mineral
Fire Agate (Crackle Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Green Onyx (Banded Calcite)
Banded Calcite / Aragonite (CaCO3)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Agate
Silicon Dioxide (SiO2)
mineral
Blue Dyed Agate
Silicon Dioxide (SiO2)
mineral
Chalcedony (Agate/Carnelian variant)
Silicon Dioxide (SiO2)
mineral
Yellow Chalcedony (Agate/Jasper mix)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Dyed Blue Agate
Cryptocrystalline Quartz (SiO2)
mineral
Agate
Silicon Dioxide (SiO2)
mineral
Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Agate
Silicon Dioxide (SiO2) - variety Chalcedony
mineral
Desert Rose
Gypsum (variety Selenite) or Barite, CaSO4·2H2O
mineral
Diamond
C (Carbon)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Aragonite (Flos Ferri)
Calcium Carbonate (CaCO3)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Petrified Wood
Silicified Wood (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Garden Quartz
Silicon Dioxide (SiO2) with various inclusions
mineral
Agate (Lace Agate Geode Slice)
Silicon Dioxide (SiO2)
mineral
Red Hematite
Iron(III) Oxide (Fe2O3)
mineral
Hematite (Oolitic or Earthy variety)
Iron(III) oxide (Fe2O3)
mineral
Agate (Moss or Lake Superior type)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Carnelian (Agate/Chalcedony)
Silicon Dioxide (SiO2)
mineral
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Pickled Dragon Eggs (Fictional Interpretation: Purple Agate or Amethyst Geodes)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Rough Quartz (likely Rose or Smoky variant)
Silicon Dioxide (SiO2)
mineral
White Quartz (Mushroom Carving)
Quartz (Silicon Dioxide - SiO2)
mineral
Quartz Geode
Crystalline Quartz (Silicon Dioxide, SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Amazonite
Microcline (KAlSi3O8) with lead impurities
mineral
Grey Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Agate Geode
Banded Chalcedony (Silicon Dioxide, SiO2) with Quartz crystals
mineral
Blue Kyanite
Kyanite (Al2SiO5)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Iron Meteorite
Siderite (Iron-Nickel Meteorite)
mineral
Satin Spar (Gypsum)
Hydrous Calcium Sulfate (CaSO4·2H2O)
mineral