Quartz

Golden Healer Quartz

Silicon Dioxide (SiO2) with limonite/hematite inclusions

Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Polished white chalcedony or milky quartz pebble

Chalcedony, microcrystalline quartz (SiO₂), possibly with iron-oxide staining or a minor mineral inclusion

Quartz-bearing pyrite–chalcopyrite specimen

Pyrite (FeS₂), likely chalcopyrite (CuFeS₂), with quartz (SiO₂)

Botryoidal Goethite on Quartz

Goethite (α-Fe3+O(OH)) on Quartz (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz-veined metamorphic rock, likely schist or gneiss

Micaceous quartz-feldspar rock; probable mica schist/gneiss with quartz veins

Quartz-rich rock, likely quartzite

Quartzite, composed predominantly of quartz (SiO₂)

Quartz-rich granite or granitic pegmatite fragment

Granite; primarily quartz (SiO₂), feldspar, and mica

Epidote with Quartz

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

Quartz Vein in Host Rock

Silicon dioxide (SiO2) veining in silicate matrix

Milky Quartz in Epidote Host Rock

Crystalline Silicon Dioxide (SiO2) with Epidote Ca2(Al,Fe)3(SiO4)3(OH)

Iron-stained quartz-rich rock, possibly ironstone or quartz-vein material

Quartz (SiO₂) with iron oxides/hydroxides; exact host rock cannot be determined from the image

Tumbled pink-and-white quartz

Quartz, SiO₂; likely rose quartz with milky quartz

Likely milky quartz, possibly quartz-rich vein rock

Quartz (SiO₂); identification from the image is uncertain

Amethyst-bearing quartz cluster

Quartz, SiO₂; purple areas are amethyst, the violet variety of quartz

Clear Quartz (Rock Crystal)

Quartz (SiO₂)

Quartz Pebbles

Silicon Dioxide (SiO2)

Tumbled rose quartz

Quartz, silicon dioxide (SiO₂), rose-colored variety

Rose Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Rose Quartz

SiO2 (Crystalline Quartz with trace inclusions)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide) - SiO2

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Rose Quartz Beads

Silicon Dioxide (SiO2) - Quartz Variety

Milky quartz

Quartz (silicon dioxide, SiO₂)

Healer's Gold (Iron-Stained Quartz Cluster)

Silicon Dioxide with Iron Oxide Coating (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Clear Quartz Crystal

Silicon Dioxide (SiO2)

Quartz Vein / Milky Quartz

Silicon Dioxide (SiO2)

Yellow Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)