Mookaite Jasper
Silicified radiolarite (SiO2)
sedimentary
Category
Mineral (Or Mineraloid If Microcrystalline)
Browse mineral (or mineraloid if microcrystalline) specimens identified by the Rock Identifier community.
Brecciated Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Chert / Flint
Microcrystalline or cryptocrystalline quartz (SiO2)
sedimentary
Chalcedony
Chalcedony (a microcrystalline variety of Quartz, SiO2)
Mineral
Crazy Lace Agate
Silicon Dioxide (Microcrystalline Quartz) - SiO2
mineral
Indian Agate
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Crazy Lace Agate
Banded Chalcedony (Microcrystalline Quartz, SiO2)
mineral
Pickled Dragon Eggs (Fictional Interpretation: Purple Agate or Amethyst Geodes)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Blue Chalcedony
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Banded Agate (Onyx variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Botryoidal Black Chalcedony Geode (Black Grape Agate)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Mineral
Chalcedony
Silicon dioxide (SiO2) - Microcrystalline quartz
mineral
Carnelian Agate (with Quartz/Chalcedony)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Graphite-veined Quartzite
Meta-sedimentary Quartzite with Carbonaceous/Graphitic Inclusions (SiO2 + C)
metamorphic
Jasper
Silicon dioxide (SiO2)
sedimentary
Banded Chert / Flint
Silicon dioxide (SiO2)
sedimentary
Yellow Jasper
Jasper (Silicon Dioxide, SiO2 plus various mineral impurities)
sedimentary
Moss Agate
Chalcedony (SiO2) with inclusions of manganese or iron oxides
mineral
Agate
Agate (Silicon Dioxide, SiO2)
mineral
Yellow Chert or Jasper
Silicon Dioxide (SiO2)
sedimentary
Ironstone Concretion (Boji Stone/Moqui Marble type)
Goethite/Hematite-encrusted Sandstone Concretion
sedimentary
Chert (varietal Flint)
Silicon Dioxide (SiO2)
sedimentary
Quartzite with Chlorite/Epidote
Metamorphosed Quartzite (SiO2)
metamorphic
Travertine (Calcareous Tufa)
Calcium Carbonate (CaCO3)
sedimentary
Dyed Pink Agate Slice
Cryptocrystalline variety of Quartz (SiO2)
mineral
Amethyst (Agate/Chalcedony variety)
Silicon Dioxide (SiO2) with iron impurities
mineral
Agate
Silicon Dioxide (SiO2)
mineral
Fluorite and Red Jasper
Fluorite (Calcium Fluoride, CaF2) and Red Jasper (Silicon Dioxide, SiO2)
mineral
Apricot Agate
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Blue Moss Agate / Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Carnelian Agate
Silicon Dioxide (SiO2) with iron oxide impurities
Mineral
Banded Agate (Carnelian type)
Silicon Dioxide (SiO2) - Cryptocrystalline Chalcedony
mineral
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)
Mineral
Blue Agate (Dyed Chalcedony)
Silicon Dioxide (SiO2)
mineral
Blue Dyed Agate
Silicon Dioxide (SiO2)
mineral
Carnelian
Carnelian (Chalcedony / SiO2)
mineral
Blue Lace Agate (Geode/Druzy variant)
Chalcedony (SiO2) with Quartz druzy
mineral
Banded Agate (specifically Lake Superior Agate)
Silicon dioxide (SiO2) - Cryptocrystalline Chalcedony
mineral
Carnelian Agate
Silicon Dioxide (SiO2) with Iron Impurities
mineral
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Chalcedony (Common Opal or Agate variant)
Silicon Dioxide (SiO₂)
mineral