Blue Lace Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
mineral
Category
Sedimentary Rock (Technically A Variety Of Chalcedony)
Browse sedimentary rock (technically a variety of chalcedony) specimens identified by the Rock Identifier community.
Pink Dyed Agate (Banded Chalcedony)
Silicon dioxide (SiO2) - variety Chalcedony
mineral
Blue Banded Agate (Dyed)
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Banded Agate
Silicon dioxide (SiO2) - variety of Chalcedony
mineral
Banded Agate (Gray/White)
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Oceanside Agate (Orbicular Agate)
Silicon Dioxide (SiO2) - Variety of Chalcedony
mineral
Orbicular Jasper
Silicon Dioxide (SiO2), variety of Chalcedony
Mineral
Blue Lace Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
mineral
Blue Dyed Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
mineral
Carnelian (Orange Chalcedony)
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Agate (Sliced Nodule)
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Carnelian
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Dyed Pink Agate (Crackled)
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Banded Agate (Tumbled)
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Dyed Agate Slice
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Agate (specifically Carnelian Agate or Sardagate)
Silicon dioxide (SiO2) - variety of chalcedony
mineral
Carnelian Agate
Silicon dioxide (SiO2) - Chalcedony variety
mineral
Banded Agate
Silicon Dioxide (SiO2) - variety Chalcedony
mineral
Blue Lace Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
mineral
Carnelian Agate
Silicon dioxide (SiO2) - variety of chalcedony
mineral
Chert (Iron-stained)
Chert (Cryptocrystalline Silica, SiO2)
sedimentary
Sandstone (Ferruginous)
Arenite (complex silicate composition with iron oxides)
sedimentary
Chert (and Flint)
Cryptocrystalline Quartz (SiO2)
sedimentary
Snowflake Obsidian
Spherulitic Volcanic Glass (primarily SiO2)
igneous
Sandstone (Greywacke/Siltstone variant)
Clastic Sedimentary Rock (Lithic Wacke)
sedimentary
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Chalcedony (Common Opal variant or Agate)
Silicon Dioxide (SiO2)
mineral
Jasper with Hematite (Red Jasper)
Silicon Dioxide with Iron Oxide (SiO2 and Fe2O3)
sedimentary (physico-chemical precipitate)
Blue Chalcedony
Chalcedony (cryptocrystalline Silicon Dioxide, SiO2)
mineral
Sandstone
Arenite (SiO2 principal)
sedimentary
Agate (specifically Carnelian Agate or Lake Superior style Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Mother of Pearl (Nacre)
Calcium Carbonate (primarily aragonite, with conchiolin)
Organic Gemstone/Biomineral
Petrified Wood
Silicified Wood (SiO2)
metamorphic
Ocean Jasper
Spherulitic Chalcedony (SiO2)
mineral
Carnelian Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Chert (Quartz Variety)
Silicon Dioxide (SiO2)
sedimentary
Kambaba Jasper
Stromatolite (Fossilized Algae)
sedimentary
Limonite (Iron Ore)
Limonite (̑FeO(OH)·nH₂O)
sedimentary
Obsidian
Volcanic glass (SiO2 - Silicon Dioxide with impurities)
igneous
Chalcedony (Moonstone-like Agate)
Silicon Dioxide (SiO₂)
mineral