Chert (Flint variety)
Silicon Dioxide (SiO2)
Category
Browse mineral (variety of quartz) specimens identified by the Rock Identifier community.
Chert (Flint variety)
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert (Flint variety)
Chert (SiO2)
Chert (Common Opal/Agate variety)
Microcrystalline Quartz (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Chert (Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Orange Calcite (likely polished specimen)
Calcite
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
Quartzite
Metamorphic rock predominantly composed of Quartz (SiO2)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with inclusions
Pyrite
Iron Disulfide (FeS2)
Bull Quartz
Quartz (Silicon Dioxide, SiO2)
Jasper with Quartz inclusions
Silicon Dioxide (SiO2) with impurities
Gold Flakes
Native Gold (Au)
Blue Lace Agate (Heat-treated/Crackle Quartz variety)
Silicon Dioxide (SiO2)
Granite or Pegmatite in host rock
Granitoid / Felsic Intrusive Rock
Breciated Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Garden Quartz (Lodolite)
Quartz with inclusions (SiO2 + various inclusions such as Chlorite, Hematite, or Feldspar)
Chert
Microcrystalline Quartz (SiO2)
Chert (often called Flint)
Microcrystalline Quartz (SiO2)
Carnelian
Carnelian (Silicon Dioxide, SiO2)
Mookaite Jasper
Siliceous sedimentary rock (variety of Jasper/Chert)
Milky Quartz
Silicon Dioxide (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Jasper and Agate
Microcrystalline Quartz (SiO2)
Puddingstone
Conglomerate
Smoky Quartz and Clear Quartz Geode
Silicon Dioxide (SiO2)
Jadeite
NaAlSi2O6 (Sodium Aluminum Silicate)
Fluorite
Calcium fluoride (CaF2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Quartz with Iron Staining
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2) with Iron Oxide impurities
Iron-stained Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (SiO2)
Pink Quartz (Inclusion-filled)
Silicon Dioxide (SiO2)
Cloudy Quartz / Quartz Tumble
Silicon Dioxide (SiO2)