Yellow Agate
Chalcedony (cryptocrystalline Quartz), SiO2
Category
Browse mineral (variety of chalcedony) specimens identified by the Rock Identifier community.
Yellow Agate
Chalcedony (cryptocrystalline Quartz), SiO2
Black Veined Jasper (Spiderweb Jasper)
Silicon Dioxide (SiO2)
Jasper with Hematite (Red Jasper)
Silicon Dioxide with Iron Oxide (SiO2 and Fe2O3)
Jasper
Jasper (Silicon Dioxide, SiO2)
River Jasper (Green Jasper)
Silicon Dioxide (SiO2) with impurities
Carnelian
Carnelian (SiO2 - Silicon Dioxide with Iron Oxide impurities)
Jasper and Quartz conglomerate (River Rock)
Silicon Dioxide (SiO2) - Chalcedony and Quartz variety
Dyed Imperial Jasper (Sea Sediment Jasper)
Silicon Dioxide (SiO2) - Impure Quartz/Chalcedony
Chalcedony (Botryoidal or Agate nodule)
Silicon Dioxide (SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Banded Calcite (Mexican Onyx)
Calcite (Calcium Carbonate, CaCO3)
Red Jasper
Jasper (a variety of Chalcedony, SiO₂ with iron oxide inclusions)
Agate (specifically, multi-colored or pastel-dyed agate)
Silicon dioxide (SiO2) - specifically, a cryptocrystalline variety of quartz known as Chalcedony, with banding classified as Agate. (If it were Fluorite, the chemical formula would be Calcium Fluoride - CaF2).
Jasper
Silicon dioxide (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides
Jasper with Iron Staining
Silicon Dioxide (SiO2) with impurities
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
Moss Agate
SiO2 (Silicon Dioxide) with dendritic inclusions
Yellow Chalcedony or River Jasper
Silicon Dioxide (SiO2)
Nephrite Jade
Nephrite
Jasper
Jasper (Silicon Dioxide, SiO2)
Green Jasper
Silicon Dioxide (SiO2) with impurities
Quartz (chalcedony variety) or Limestone with Quartz Veins
SiO2 (for Quartz/Chalcedony); CaCO3 (for Limestone)
Chert (Agatized Chert)
Microcrystalline Quartz (SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper (Yellow/Brown variety)
Silicon Dioxide (SiO2) with iron oxide impurities
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper (Green Jasper/Heliotropic Chert)
Silicon Dioxide (SiO₂)
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper
Jasper (Silica, SiO2)
Jasper
Silicon dioxide (SiO2)
Yellow Jasper
Cryptocrystalline Quartz (SiO2) with iron inclusions
Red Jasper
Silicon dioxide (SiO2) with iron oxide inclusions
Red Jasper (River Stone)
Jasper (Silicon Dioxide, SiO2 plus iron oxide inclusions)
Red Jasper (Brecciated or Mottled)
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper (Red and Tan Jasper)
Microcrystalline Quartz (SiO2) with iron oxide inclusions
Jasper
Jasper (Silicon Dioxide, SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Yellow Jasper (Beach Pebble)
Silicon Dioxide (SiO2) with iron hydroxide impurities
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Yellow Jasper
Silicon Dioxide (SiO2) with iron inclusions