Rock Identifier

Category

Quartz

Browse quartz specimens identified by the Rock Identifier community.

Learn about Quartz in the encyclopedia

Quartz Arenite

Milky Quartz

Smoky Quartz

Scepter Quartz

Spirit Quartz

Lemon Quartz

Tangerine Quartz

Tangerine Quartz

Dumortierite Quartz

Dumortierite Quartz

Lithium Quartz

Rose Quartz

Morion Quartz

Cactus Quartz

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz Vein with Iron Staining (Silicon Dioxide (SiO2)) — mineral

Milky Quartz Vein with Iron Staining

Silicon Dioxide (SiO2)

White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz-rich rock, likely milky quartz (Quartz (silicon dioxide, SiO₂), possibly a quartzite fragment) — mineral

Quartz-rich rock, likely milky quartz

Quartz (silicon dioxide, SiO₂), possibly a quartzite fragment

Geode / Fossilized Gastropod or Shell Cast (Silicon dioxide (Quartz) replacement / fossil mold) — sedimentary

Geode / Fossilized Gastropod or Shell Cast

Silicon dioxide (Quartz) replacement / fossil mold

Rose quartz (likely) (Quartz, silicon dioxide (SiO₂), pink variety) — mineral

Rose quartz (likely)

Quartz, silicon dioxide (SiO₂), pink variety

Quartz Vein in Host Rock (Silicon Dioxide (SiO2) in Rhyolitic Matrix) — igneous

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) in Rhyolitic Matrix

Weathered quartz-rich rock, possibly milky quartz in altered host rock (Milky quartz (SiO₂), with probable iron-oxide staining and a fine-grained host matrix) — mineral

Weathered quartz-rich rock, possibly milky quartz in altered host rock

Milky quartz (SiO₂), with probable iron-oxide staining and a fine-grained host matrix

Yellow Quartz (Citrine appearance) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine appearance)

Silicon Dioxide (SiO2)

Tumbled yellow quartz (likely citrine or yellow chalcedony) (Quartz, SiO₂; variety uncertain from image) — mineral

Tumbled yellow quartz (likely citrine or yellow chalcedony)

Quartz, SiO₂; variety uncertain from image

Quartz (Quartz (SiO₂)) — Mineral

Quartz

Quartz (SiO₂)

Tumbled smoky quartz (Quartz (SiO₂), brown-gray smoky variety) — mineral

Tumbled smoky quartz

Quartz (SiO₂), brown-gray smoky variety

Pegmatite with quartz and feldspar (Granitic pegmatite, chiefly quartz (SiO₂) and feldspar (likely potassium feldspar or plagioclase)) — igneous

Pegmatite with quartz and feldspar

Granitic pegmatite, chiefly quartz (SiO₂) and feldspar (likely potassium feldspar or plagioclase)

Quartz (Bull Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Bull Quartz)

Silicon Dioxide (SiO2)

Quartz crystal beads (Quartz (silicon dioxide, SiO₂)) — mineral

Quartz crystal beads

Quartz (silicon dioxide, SiO₂)

Clear Quartz (Faceted) (Silicon Dioxide (SiO2)) — gemstone

Clear Quartz (Faceted)

Silicon Dioxide (SiO2)

Milky quartz pebble (Quartz, silicon dioxide (SiO₂)) — mineral

Milky quartz pebble

Quartz, silicon dioxide (SiO₂)

Iron-stained quartz crystal cluster (Quartz (SiO₂), likely iron-oxide-stained; exact variety uncertain) — mineral

Iron-stained quartz crystal cluster

Quartz (SiO₂), likely iron-oxide-stained; exact variety uncertain

Milky quartz (quartz-rich rock fragment) (Quartz, silicon dioxide (SiO₂)) — mineral

Milky quartz (quartz-rich rock fragment)

Quartz, silicon dioxide (SiO₂)

Milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz

Quartz (silicon dioxide, SiO₂)

Iron-stained quartz (likely milky quartz) (Quartz, SiO₂, with limonite/goethite iron-oxide staining) — mineral

Iron-stained quartz (likely milky quartz)

Quartz, SiO₂, with limonite/goethite iron-oxide staining

Orange Quartz (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Orange Quartz

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Metamorphosed Sandstone (primarily SiO2)) — metamorphic

Quartzite

Metamorphosed Sandstone (primarily SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (or Chert/Flint gravel) (Quartzite (SiO2 with iron oxide inclusions)) — metamorphic

Quartzite (or Chert/Flint gravel)

Quartzite (SiO2 with iron oxide inclusions)

Quartzite (or Quartz) (SiO2 (Silicon Dioxide)) — metamorphic

Quartzite (or Quartz)

SiO2 (Silicon Dioxide)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (mostly SiO2)) — metamorphic

Quartzite

Quartzite (mostly SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Small rough quartz crystal (Quartz, silicon dioxide (SiO₂)) — mineral

Small rough quartz crystal

Quartz, silicon dioxide (SiO₂)

Pink Quartz / Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Pink Quartz / Rose Quartz

Silicon Dioxide (SiO2)

Weathered quartz-rich rock, likely quartzite or quartz vein fragment (Quartzite, composed predominantly of SiO₂; possible iron-oxide staining) — metamorphic

Weathered quartz-rich rock, likely quartzite or quartz vein fragment

Quartzite, composed predominantly of SiO₂; possible iron-oxide staining