Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Category
Browse non geological specimens identified by the Rock Identifier community.
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2) with Iron Oxide inclusions
Pink Granite
Granite (Phaneritic igneous rock)
Gold Nugget
Native Gold (Au)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Milky Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Yellow Quartzite
Silicon Dioxide (SiO2)
Quartz / Milky Quartz
Silicon Dioxide (SiO2)
Diorite
Phaneritic Intermediate Plutonic Rock (Diorite)
Unidentifiable Specimen
Undetermined
Quartz (Milky or Smoky Quartz)
Silicon Dioxide (SiO2)
Sandstone (lithic wacke)
Arenite / Lithic Wacke (mostly SiO2 with rock fragments)
Sandstone
Arenite (primarily SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Rose Quartz
Quartz (Silicon Dioxide - SiO2)
Pink Quartzite
Quartzite (primarily SiO2)
Blue Lace Agate
Cryptocrystalline Quartz (SiO2) with trace minerals
Quartz (Milky/Bull Quartz)
Silicon Dioxide (SiO2)
Massive Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Chalcopyrite
Chalcopyrite (CuFeS2)
Quartz (Milky/Clear)
Silicon Dioxide (SiO2)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Chalcopyrite
Chalcopyrite (CuFeS2)
Galena
Lead(II) sulfide (PbS)
Slate
Foliated Metamorphic Rock (primarily clay minerals and micas)
Fossiliferous Limestone (Coquina)
Biogenic Limestone (Calcium Carbonate, CaCO3)
Quartz (Milky or Cloudy variety)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Granite
Granite (Alkali-feldspar granite)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Olivine (in Peridotite/Dunite form)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Milky Quartz
Silicon Dioxide (SiO2)
Satin Spar (Gypsum)
Hydrous calcium sulfate (CaSO4·2H2O)
Malachite
Malachite (Copper Carbonate Hydroxide) - Cu2CO3(OH)2