Chert / Jasper
Silicon Dioxide (SiO2)
Category
Browse mineral (specifically a variety of quartz) specimens identified by the Rock Identifier community.
Chert / Jasper
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Jasper (likely Polychrome or Desert Jasper)
Silicon Dioxide (SiO2) with impurities
Yellow Jasper
Silicon Dioxide (SiO2) with iron inclusions
Yellow Quartz (Citrine appearance)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Biotite on Quartz
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2) and Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz Mushroom Carving
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Buffalo Nickel (Indian Head Nickel)
Cupronickel (75% Copper, 25% Nickel)
Milky Quartz with inclusions
Silicon Dioxide (SiO2)
Green Chert (Jasper)
Silicon Dioxide (SiO2)
Amazonite
Amazonite (K[AlSi3O8])
Sandstone
Arenite (specifically Quartz Arenite)
Citrine Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Quartz with fuchsite inclusions (SiO2)
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
Quartz (Druzy or Crystalline)
Silicon Dioxide (SiO2)
Lake Superior Agate
Cryptocrystalline Quartz (SiO2)
Dendritic Agate or Moss Agate Nodules (Septarian-like)
Chalcedony with mineral inclusions (SiO2)
Druzy Agate (specifically Black Druzy Agate)
Silicon Dioxide (SiO2)
Epidosite with Quartz (Unakite-variant or Jasper)
Epidotized Metasomatite
Carnelian (Red Chalcedony)
Silicon Dioxide (SiO2)
Jasper (Red Jasper)
Jasper (Silicon Dioxide, SiO2)
White Quartz Pebble
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with goethite or limonite inclusions
Crazy Lace Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
Yellow Jasper / Chert
Silicon Dioxide (SiO2) with Goethite or Limonite inclusions
Green Aventurine
Quartz with Fuchsite inclusions (SiO2)
Amazonite
Microcline (variety of Potassium Feldspar), KAlSi3O8
Moonstone (specifically Rainbow Moonstone / White Labradorite)
White Labradorite (Feldspar Group: (Na,Ca)(Al,Si)4O8)
Quartz (Clear / Rock Crystal)
Silicon Dioxide (SiO2)
Aquamarine
Beryl (Be3Al2Si6O18), specifically the blue-green variety