Agate (specifically a Yellow/Honey Agate)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Category
Mineral (Specifically A Variety Of Chalcedony, Which Is Microcrystalline Quartz)
Browse mineral (specifically a variety of chalcedony, which is microcrystalline quartz) specimens identified by the Rock Identifier community.
Jasper (Iron-stained Chert)
Silicon Dioxide (SiO2) with impurities of Hematite or Goethite
sedimentary
Carnelian
Silicon dioxide (SiO2) with Iron Oxide impurities (Fe2O3)
mineral
Agate (specifically Oco or Banded Agate)
Agate (a variety of Chalcedony), SiO2 (Silicon Dioxide)
mineral
Jasper (likely river-worn)
Silicon Dioxide (SiO2)
sedimentary
Milky Quartz in Matrix
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon Dioxide (SiO2)
sedimentary
Chalcedony (Quartz variety)
Silicon Dioxide (SiO2)
mineral
Jasper (specifically Fancy Jasper or Bloodstone variety)
Silicon Dioxide (SiO2) with impurities (Iron oxides/silicates)
sedimentary
Carnelian
SiO2 (Silicon Dioxide) - Translucent reddish-brown variety of Chalcedony
mineral
White Agate (Chalcedony)
Agate (Silicon Dioxide - SiO2)
mineral
Chert (or possibly Flint)
SiO2 (Silicon Dioxide)
Sedimentary Rock
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variety)
Chert (SiO2)
sedimentary
Chalcedony (Quartz Var.)
Silicon Dioxide (SiO2)
mineral
Orbicular Jasper (Ocean Jasper or Poppy Jasper variant)
Silicon Dioxide (SiO2) with various inclusions
sedimentary
Rainbow Moonstone
White Labradorite (formula: (Na,Ca)(Al,Si)4O8)
mineral
Chalcedony (River Stone)
Microcrystalline Quartz (SiO2)
mineral
Carnelian
Chalcedony (cryptocrystalline quartz), SiO2 (Silicon Dioxide)
Mineral
Red Jasper
Silicon Dioxide with Hematite impurities (SiO2 + Fe2O3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Jasper with Quartz Druzy
Silicon Dioxide (SiO2)
sedimentary
Imperial Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz with Mineral Inclusions
Sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Carnelian
Carnelian (SiO2 - Silicon Dioxide)
mineral
Jasper (Iron-stained Chert)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Agate (Carnelian-like)
Chalcedony (Silicon Dioxide, SiO2)
mineral
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
mineral
Blue Lace Agate
Chalcedony (a form of Quartz) - SiO2
Mineral
Ocean Jasper
Silicon Dioxide (SiO2) with various inclusions
Mineral (Variety of Quartz)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
sedimentary
White Agate (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Dendritic Opal (Common Opal)
Amorphous Hydrated Silica (SiO2·nH2O) with Manganese or Iron Oxide inclusions
mineral
Red Jasper
Silicon dioxide (SiO2)
mineral
Red Agate
Agate (Cryptocrystalline variety of Quartz, SiO2)
mineral
Moss Agate
Silicon Dioxide (SiO2) with mineral inclusions of hornblende or chlorite
Mineral (variety of Chalcedony)
Dyed Agate
Silicon Dioxide (SiO2) - variety Chalcedony
mineral
Yellow Jasper
Silicon Dioxide (SiO2) with high iron inclusion
sedimentary
Dalmatian Stone
Dalmatian Jasper (Aplitic Perthite)
igneous
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Red Jasper
Quartz (Silicon Dioxide) with Hematite inclusions, SiO2
mineral