Chalcedony (River Stone)
Microcrystalline Quartz (SiO2)
mineral
Category
Mineral (Specifically, A Variety Of The Mineral Species Pyrope Almandine Garnet)
Browse mineral (specifically, a variety of the mineral species pyrope almandine garnet) specimens identified by the Rock Identifier community.
Labradorite (a variety of Feldspar)
Labradorite; (Na,Ca)(Al,Si)4O8 (a plagioclase feldspar)
igneous
Jasper (likely a variety of Yellow or Mustard Jasper)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary (chemically precipitated mineral)
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Tumbled Purple Agate
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Blue Banded Agate (Dyed)
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Carnelian (Orange Agate/Chalcedony)
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Agate
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Banded Agate (Lake Superior Agate type)
Agate (Cryptocrystalline Variety of Quartz, SiO2)
mineral
Yellow Chalcedony
Chalcedony (a cryptocrystalline variety of Quartz, SiO₂)
Mineral
Amber
Succinite (a common variety of fossilized resin)
mineral
Flower Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
mineral
Carnelian Agate
Silicon dioxide (SiO2) - variety of Chalcedony
mineral
Carnelian Agate
Silicon Dioxide (SiO₂), a variety of Chalcedony
mineral
Green Banded Agate
Agate (Cryptocrystalline variety of Quartz, SiO2)
mineral
Banded Agate (Tumbled)
Agate (Variety of Chalcedony/Quartz), SiO2
mineral
Blue Agate (Dyed)
Silicon Dioxide (SiO2) - Variety of Chalcedony
mineral
Carnelian Agate
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Amazonite
Amazonite (KAlSi3O8 - a variety of Microcline Feldspar)
Mineral
Agate Geode / Thunderegg
Chalcedony (cryptocrystalline variety of Quartz), SiO2
mineral
Amazonite
KAlSi3O8 (Potassium Feldspar, variety of Microcline)
Mineral
Onyx (Black Onyx)
Silicon Dioxide (SiO2) - Chalcedony variety
Mineral
Black Onyx
Silicon dioxide (SiO2) - Chalcedony variety
mineral
Carnelian Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
mineral
Blue Agate (likely Dyed)
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Blue Banded Agate (Dyed)
Silicon Dioxide (SiO2) - Variety of Chalcedony
mineral
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Agate (Geode nodule fragment)
Chalcedony (cryptocrystalline variety of Quartz), SiO2
mineral
Dyed Pink Agate
Silicon Dioxide (SiO2) - variety Chalcedony
mineral
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Rose Quartz Carving
Quartum roseum (Variety of Quartz, SiO2)
Mineral
Banded Agate (Dyed Purple)
Agate (Variety of Chalcedony/Quartz), SiO2
mineral
Blue Lace Agate (often dyed)
Silicon dioxide (SiO2) - variety of chalcedony
mineral
Blue Lace Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
mineral
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
mineral
Larimar
Pectolite (Blue variety), NaCa2Si3O10(OH)
mineral
Chert Pebble
Silicon dioxide (SiO2)
sedimentary
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary