Crazy Lace Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Category
Mineral (Specifically A Variety Of Chalcedony, Which Is A Microcrystalline Quartz)
Browse mineral (specifically a variety of chalcedony, which is a microcrystalline quartz) specimens identified by the Rock Identifier community.
Chert (specifically Jasper/Carnelian variety)
Microcrystalline quartz (SiO2)
sedimentary
Yellow Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Banded Agate (specifically Carnelian Agate)
Silicon dioxide (SiO2) - Chalcedony variety
mineral
Quartz (Rock Crystal)
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Red Jasper (possibly banded)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Jasper with Epidote Vein
Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate (Ca2(Al,Fe)3(SiO4)3(OH))
sedimentary
Jasper (specifically Brecciated or Agated Jasper)
Silicon Dioxide (SiO2) - Chalcedony with impurities
Mineral / Sedimentary
Agate (Polished Sphere)
Silicon Dioxide (SiO2)
mineral
Jasper with Chalcedony
Silicon Dioxide (SiO2)
mineral
Orbicular Jasper (Ocean Jasper)
Silicon Dioxide (SiO2) with iron and magnesium inclusions
mineral
Jasper
Silicon dioxide (SiO2)
sedimentary
Agate
Silicon dioxide (SiO2)
mineral
Red Jasper
Silicon dioxide with hematite impurities (SiO2 + Fe2O3)
mineral
Gray Agate with Druzy Quartz Geode
Cryptocrystalline Quartz (SiO2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Aventurine (likely Green Aventurine)
Quartz (SiO2) with included minerals (Fuchsite or Chlorite for green color)
Mineral
Yellow Jasper (Chert variant)
Silicon Dioxide (SiO2) with iron inclusions
sedimentary
Orbicular Jasper (Ocean Jasper tendency)
Silicon Dioxide (SiO2) with impurities
sedimentary
Red Jasper (Chalcedony)
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Green Jasper
Jasper (variety of Microcrystalline Quartz, SiO2)
sedimentary
Agate (specifically Carnelian Agate or Sardagate)
Silicon dioxide (SiO2) - variety of chalcedony
mineral
Agate Geode Node
Cryptocrystalline Quartz (SiO2)
mineral
Agate
Chalcedony (cryptocrystalline variety of Quartz, SiO2)
mineral
Milky Quartz or Moonstone
Silicon Dioxide (SiO2) or Potassium Aluminum Silicate (KAlSi3O8)
mineral
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2)
Sedimentary Rock
Granodiorite
Granodiorite (Intermediate to Felsic Intrusive Rock)
igneous
Quartz (specifically a water-worn Quartzite or Chalcedony pebble)
Silicon Dioxide (SiO2)
mineral
Yellow Jasper
SiO2 (Silicon Dioxide)
sedimentary
Banded Agate (specifically Botswana Agate appearance)
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Red Jasper
Silicon dioxide (SiO2) with iron inclusions
sedimentary
Chert (often called Flint or Chalcedony Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Mookaite Jasper
Siliceous sedimentary rock (variety of Jasper/Chert)
Sedimentary Rock
Tumbled Green Jasper
Silicon Dioxide (SiO2) with mineral inclusions
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
mineral
Moss Agate
Silicon Dioxide with inclusions (SiO2 + impurities)
mineral
Agate (Geode nodule fragment)
Chalcedony (cryptocrystalline variety of Quartz), SiO2
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Black Onyx (Tumbled)
Silicon Dioxide (SiO2)
mineral
White Jade / White Chalcedony
Nephrite Jade (Ca2(Mg,Fe)5Si8O22(OH)2) or Chalcedony (SiO2)
Mineral