Chevron Amethyst
Quartz (SiO2) with patterned Amethyst and White Quartz/Milky Quartz
Category
Browse mineral (specifically a variety of quartz) specimens identified by the Rock Identifier community.
Chevron Amethyst
Quartz (SiO2) with patterned Amethyst and White Quartz/Milky Quartz
Rose Quartz
Silicon Dioxide with traces of Titanium, Iron, or Manganese (SiO2)
Green Calcite (often commercially called Green Onyx)
Calcium Carbonate (CaCO3)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Rough Green Beryl (Emerald variety)
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
Honey Calcite
Calcium Carbonate (CaCO3)
Flint
SiO2 (Cryptocrystalline Quartz / Chert)
Green Kyanite
Kyanite (Al2SiO5)
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
Amethyst (Chevron Amethyst)
Amethystine Quartz (SiO2)
Fancy Jasper
Cryptocrystalline Quartz (SiO2) with iron oxide inclusions
Green Jasper
Jasper (variety of Microcrystalline Quartz, SiO2)
Agate (Carnelian / Chalcedony)
Silicon Dioxide (SiO2)
Banded Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Pink Granite
Granite (Alkali-feldspar granite)
Rose Quartz
SiO2 (Silicon Dioxide)
Sandstone (Graywacke)
Clastic Sedimentary Rock (Lithic Sandstone)
Pink Granite
Granite (Phaneritic Felsic Igneous Rock)
Amazonite
Amazonite (KAlSi3O8)
Chalcedony (Agate/Carnelian)
Cryptocrystalline Silicon Dioxide (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with goethite or iron oxide inclusions
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Pink Granite
Phaneritic Felsic Igneous Rock (Granite)
Red Jasper
Silicon dioxide (SiO2) with iron oxide (Hematite) inclusions
Flint
SiO2 (Cryptocrystalline Quartz)
Chert (Polished/Worn)
Microcrystalline quartz (SiO2)
Chert (Jasper influence)
Microcrystalline Quartz (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Pink Granite
Granite (Phaneritic igneous rock rich in Alkali Feldspar and Quartz)
Granite (Pink/Red variety)
Felsic Intrusive Igneous Rock
Banded Agate / Lace Agate
Agate (Silica/Quartz) - SiO2
Ruby (Corundum)
Aluminum oxide (Al2O3) with Chromium traces
Quartz Pebble
Silicon Dioxide (SiO2)
Chert Nodule
Microcrystalline Quartz (SiO2)
Chert (and Flint)
Silicon Dioxide (SiO2)
Pink Granite
Granite (Phaneritic Quartz-Feldspar intrusive rock)
Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2) with Hematite/Goethite inclusions
Blue Calcite
Calcite (CaCO3)
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Amazonite
Amazonite (KAlSi3O8); a green variety of Microcline feldspar
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite or Limonite inclusions
Yellow Jasper
SiO2 (Silicon Dioxide)