Mineral (Variant Of Quartz)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz with Iron Oxide Weathering

Silicon Dioxide (SiO2) with Goethite/Limonite coatings

Quartz (Tumbled)

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Rose quartz (rough specimen)

Quartz, SiO₂; pink variety commonly called rose quartz

Milky quartz

Quartz (silicon dioxide, SiO₂)

Epidote in Quartz

Epidote (Ca2(Al,Fe)3(SiO4)3(OH)) in Quartz (SiO2)

Gold in Quartz

Gold (Au) in Quartz (SiO2)

Druzy quartz fragment

Quartz, SiO₂, with a coating of tiny quartz crystals

Native gold in quartz (probable)

Gold (Au), with quartz (SiO₂) matrix

Milky Quartz in Shale

Silicon Dioxide (SiO2) in sedimentary host rock

Likely weathered quartz-bearing rock

Probably quartz-rich pegmatite or altered feldspathic rock; exact identification is uncertain from the image

Quartz with iron staining

Silicon dioxide (SiO2)

Polished orbicular jasper

Microcrystalline quartz (SiO₂) with iron-rich and altered volcanic inclusions

Quartz and Limestone Grouping

Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3)

Iron-stained Quartz

Silicon Dioxide (SiO2) with Hematite/Limonite inclusions

Smoky quartz crystal fragment

Quartz (SiO₂), smoky variety

Iron-stained quartz cluster (likely druzy quartz)

Quartz, SiO₂, with iron-oxide staining

Pink quartz (likely rose quartz)

Quartz, silicon dioxide (SiO₂), commonly quartz var. rose quartz

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Weathered quartz-rich rock, possibly milky quartz

Quartz (SiO₂); the specimen may be massive vein quartz, but its identity is uncertain from the photo

Quartz with Iron Oxide Inclusions

Silicon Dioxide (SiO2) with Iron Hydroxide/Oxide (Limonite/Goethite)

Quartz with Schist/Mica Inclusions

Crystalline Silicon Dioxide (SiO2) with Phyllosilicates

Milky Quartz

Silicon Dioxide (SiO2)

Quartz-rich pegmatite specimen

Pegmatite composed mainly of quartz (SiO₂), feldspar, and mica, with possible tourmaline or garnet inclusions

Quartz-rich blue mineral specimen, possibly blue quartz or chrysocolla-bearing quartz

Quartz (SiO₂), with unidentified blue secondary mineral or inclusions

Quartz-bearing pegmatite, possibly with mica

Granitic pegmatite; chiefly quartz (SiO₂) and feldspar, with probable mica and dark accessory minerals

Quartz Pebble

Silicon Dioxide (SiO2)

Smoky quartz

Quartz (SiO₂), smoky variety

Dyed or coated quartz/amethyst specimen (likely)

Quartz, SiO₂; purple portion may be amethyst, iron-bearing quartz

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Quartz fragment

Quartz (silicon dioxide, SiO₂)