Wishing Stone (Basalt or Siltstone with Quartz/Calcite Vein)
Basalt (SiO2+MgO+FeO) or Siltstone with a Quartz (SiO2) or Calcite (CaCO3) vein
igneous or sedimentary
Category
Man Made Glass (Not A Natural Rock Or Mineral)
Browse man made glass (not a natural rock or mineral) specimens identified by the Rock Identifier community.
Citrine
Silicon Dioxide (SiO2)
mineral
Precious Red Coral
Corallium rubrum (Calcium Carbonate, CaCO3)
mineral
Pumice
Pumice (volcanic rock)
Igneous
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Banded Chert
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
sedimentary
Clear Quartz
Silicon Dioxide (SiO2) / Rock Crystal
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Chert (Nodule)
Silicon dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Kaolinite (Chalky Clay)
Kaolinite (Al2Si2O5(OH)4)
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Cubic Zirconia (CZ) Jewelry
Zirconium dioxide (ZrO2)
mineral (synthetic)
Chert (and Flint variant)
Chert (SiO2)
sedimentary
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Milky Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Red Chalcedony (likely dyed)
Chalcedony (a variety of Quartz), SiO2
Mineral (Cryptocrystalline Quartz)
Quartz Vein with Host Rock (Greywacke/Siltstone)
Silicon Dioxide (SiO2) within Clastic Sedimentary/Metamorphic Matrix
metamorphic
Chert (variations include Flint or Jasper)
Cryptocrystalline Quartz (SiO2)
sedimentary
Quartz
Quartz (SiO2 - Silicon Dioxide)
Mineral
Gold Nugget
Native Gold (Au)
mineral
Rose Quartz (likely carved)
Rose Quartz (SiO2)
Mineral
Red Jasper
Red Jasper (SiO2 with Fe2O3 impurities)
sedimentary
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Turquenite (Dyed Howlite)
Dyed Ca2B5SiO9(OH)5 (Calcium Borosilicate Hydroxide)
mineral
Black Tourmaline (Schorl)
Schorl (Sodium iron silicate hydroxide boron silicate); NaFe3Al6(BO3)3Si6O18(OH)4
mineral
Red Sandstone
Sandstone (principally Quartz with Iron Oxide coating)
sedimentary
Quartz (likely Milky Quartz)
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Red Granite
Phaneritic Plutonic Rock (High Potassium Feldspar)
igneous
Brecciated Jasper
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Amethyst
Amethyst (SiO2 with Iron impurities)
mineral
Amethyst
Silicon Dioxide with Iron impurities (SiO2)
mineral
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Amethyst
Amethyst (Silicon Dioxide with Iron impurities, SiO2)
mineral
Peacock Ore (Chalcopyrite/Bornite)
Bornite (Cu5FeS4) or iridescent treated Chalcopyrite (CuFeS2)
Mineral
Red Tiger's Eye
SiO2 (Silicon Dioxide with iron inclusions)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Chert (Flint variety)
Chert (Cryptocrystalline Quartz, SiO2)
sedimentary
Quartzite (specifically an iron-stained or Carnelian-colored variety)
Silicon Dioxide (SiO2) with iron oxide inclusions
metamorphic
Unable to identify - Image contains non-geological items
N/A
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral