Banded Agate
Agate (Cryptocrystalline variety of Quartz, SiO2)
Category
Browse mineral (silicate variety) specimens identified by the Rock Identifier community.
Banded Agate
Agate (Cryptocrystalline variety of Quartz, SiO2)
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
Lake Superior Agate
Silicon Dioxide (SiO2) - Variety Agate
Banded Agate
Silicon dioxide (SiO2) - variety of Chalcedony
Moonstone
Orthoclase (KAlSi3O8), a variety of potassium feldspar
Green Agate
Silicon Dioxide (SiO2) - Chalcedony variety
Carnelian Agate/Jasper blend
Silicon Dioxide (SiO2) - variety of Chalcedony
Amazonite
Microcline (variety Amazonite), K(AlSi3O8)
Carnelian Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
Banded Agate (Gray/White)
Silicon Dioxide (SiO2) - Chalcedony variety
Agate
Silicon Dioxide (SiO2) - Chalcedony variety
Blue Lace Agate (Polished Point)
Silicon Dioxide (SiO2) - Variety of Chalcedony
Amethyst
SiO2 (Silicon Dioxide) - a variety of Quartz
Amethyst
Quartz variety; SiO2 (Silicon Dioxide)
Dyed Agate
Silicon Dioxide (SiO2) - variety Chalcedony
Agate (specifically a Blue Agate Geode Slice)
Chalcedony (cryptocrystalline variety of Quartz); SiO2
Orbicular Jasper
Silicon Dioxide (SiO2), variety of Chalcedony
Dzi Bead (Agate)
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
Blue Dyed Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Carnelian (Orange Chalcedony)
Silicon Dioxide (SiO2) - variety of Chalcedony
Agate (Sliced Nodule)
Silicon Dioxide (SiO2) - Chalcedony variety
Carnelian
Silicon Dioxide (SiO2) - variety of Chalcedony
Dyed Pink Agate (Crackled)
Silicon Dioxide (SiO2) - Chalcedony variety
Green Banded Agate
Agate (Variety of Chalcedony/Quartz), SiO2
Banded Agate (Tumbled)
Silicon Dioxide (SiO2) - variety of Chalcedony
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
Dyed Agate Slice
Silicon Dioxide (SiO2) - variety of Chalcedony
Agate (specifically Carnelian Agate or Sardagate)
Silicon dioxide (SiO2) - variety of chalcedony
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
Amethyst
SiO2 (Silicon Dioxide) - a variety of Quartz
Banded Agate (specifically Eye Agate / Chalcedony)
Agate (Cryptocrystalline variety of Quartz, SiO2)
Carnelian Agate
Silicon dioxide (SiO2) - Chalcedony variety
Purple Dyed Agate Geode (Banded Chalcedony)
Silicon Dioxide (SiO2) - variety: Agate
Agate
Agate (a cryptocrystalline variety of Quartz, SiO₂)
Banded Agate (Lace Agate)
Agate (Variety of Cryptocrystalline Quartz), SiO2
Banded Agate
Silicon Dioxide (SiO2) - variety Chalcedony
Blue Lace Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Carnelian Agate
Silicon dioxide (SiO2) - variety of chalcedony
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Red Jasper (Tumbled)
Silicon Dioxide (SiO2) with iron oxide inclusions
Dyed Agate Slice
Silicon Dioxide (SiO2) with artificial colorants