Rock Identifier

Category

Metamorphic Rock (Variety Of Quartz)

Browse metamorphic rock (variety of quartz) specimens identified by the Rock Identifier community.

Learn about Metamorphic Rock (Variety Of Quartz) in the encyclopedia

Quartz Schist

Smoky Quartz

Clear Quartz

Morion Quartz

Rose Quartz

Milky Quartz

Snow Quartz

Tourmalinated Quartz

Tourmalinated Quartz

Rutilated Quartz

Rutilated Quartz

Quartz Arenite

Scepter Quartz

Spirit Quartz

Schist (Schist (metamorphic rock)) — metamorphic

Schist

Schist (metamorphic rock)

Weathered jasper or iron-stained quartzite (Silicified quartz-rich rock, primarily microcrystalline quartz (SiO₂) with iron-oxide/hydroxide staining) — metamorphic

Weathered jasper or iron-stained quartzite

Silicified quartz-rich rock, primarily microcrystalline quartz (SiO₂) with iron-oxide/hydroxide staining

Prasiolite and Quartz Crystal Cluster (Quartz (SiO2); Prasiolite is a variety of Quartz) — mineral

Prasiolite and Quartz Crystal Cluster

Quartz (SiO2); Prasiolite is a variety of Quartz

Tumbled amethyst (Amethyst, purple variety of quartz (SiO₂)) — mineral

Tumbled amethyst

Amethyst, purple variety of quartz (SiO₂)

Blue Quartzite (Quartzite (primarily SiO2) with inclusions like Dumortierite or Magnesio-riebeckite) — metamorphic

Blue Quartzite

Quartzite (primarily SiO2) with inclusions like Dumortierite or Magnesio-riebeckite

Gneiss (Gneiss; quartz–feldspar–mica metamorphic rock) — metamorphic

Gneiss

Gneiss; quartz–feldspar–mica metamorphic rock

Quartzite (Quartz-rich metamorphic rock; chiefly SiO₂) — metamorphic

Quartzite

Quartz-rich metamorphic rock; chiefly SiO₂

Tumbled jasper, likely red/brown jasper (Microcrystalline quartz (chalcedony), SiO₂, colored by iron oxides) — metamorphic

Tumbled jasper, likely red/brown jasper

Microcrystalline quartz (chalcedony), SiO₂, colored by iron oxides

Garnet-bearing granite or granitic gneiss (Quartz–feldspar granite with almandine garnet (Fe₃Al₂Si₃O₁₂), possibly garnet-bearing gneiss) — igneous

Garnet-bearing granite or granitic gneiss

Quartz–feldspar granite with almandine garnet (Fe₃Al₂Si₃O₁₂), possibly garnet-bearing gneiss

Agate (Agate (Silicon Dioxide, SiO2)) — mineral

Agate

Agate (Silicon Dioxide, SiO2)

Gneiss (Banded quartz–feldspar–mica gneiss) — metamorphic

Gneiss

Banded quartz–feldspar–mica gneiss

Quartzite (Quartzite (primarily Silicon Dioxide, SiO2)) — metamorphic

Quartzite

Quartzite (primarily Silicon Dioxide, SiO2)

Quartz (Quartz (SiO2 - Silicon Dioxide)) — Mineral

Quartz

Quartz (SiO2 - Silicon Dioxide)

Iron-stained quartz-rich rock, possibly weathered schist (Uncertain; likely quartz–mica schist with limonite/goethite staining) — metamorphic

Iron-stained quartz-rich rock, possibly weathered schist

Uncertain; likely quartz–mica schist with limonite/goethite staining

Tiger's Eye (Brown/Dark variety) (Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions)) — metamorphic

Tiger's Eye (Brown/Dark variety)

Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions)

Clear Quartz (or Rock Crystal) (Quartz (SiO₂)) — Mineral

Clear Quartz (or Rock Crystal)

Quartz (SiO₂)

Orange Quartzite / Carnelian Agate (Silicon Dioxide (SiO2)) — metamorphic

Orange Quartzite / Carnelian Agate

Silicon Dioxide (SiO2)

Gray foliated metamorphic rock, likely gneiss or schist (Quartz–feldspar–mica metamorphic rock; exact identification requires a fresh surface and testing) — metamorphic

Gray foliated metamorphic rock, likely gneiss or schist

Quartz–feldspar–mica metamorphic rock; exact identification requires a fresh surface and testing

Desert Rose (Gypsum (variety Selenite) - CaSO4·2H2O) — mineral

Desert Rose

Gypsum (variety Selenite) - CaSO4·2H2O

Tumbled milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Tumbled milky quartz

Quartz (silicon dioxide, SiO₂)

Red Tiger's Eye (Silicified Crocidolite (Quartz pseudo-morph after Crocidolite), SiO2) — metamorphic

Red Tiger's Eye

Silicified Crocidolite (Quartz pseudo-morph after Crocidolite), SiO2

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Dyed Pink Quartzite (Jadeite Simulant) (Silicon Dioxide (SiO2) with organic dye) — metamorphic

Dyed Pink Quartzite (Jadeite Simulant)

Silicon Dioxide (SiO2) with organic dye

Ferruginous Quartz (Iron-stained Quartzite) (Silicon Dioxide (SiO2) with Hematite/Limonite impurities) — metamorphic

Ferruginous Quartz (Iron-stained Quartzite)

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

Iron-rich metamorphic rock (probable garnet-bearing schist or quartzite) (Garnet–quartz–mica schist/quartzite; composition likely quartz (SiO₂), iron oxides/hydroxides, mica, and possible almandine garnet) — metamorphic

Iron-rich metamorphic rock (probable garnet-bearing schist or quartzite)

Garnet–quartz–mica schist/quartzite; composition likely quartz (SiO₂), iron oxides/hydroxides, mica, and possible almandine garnet

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Banded Gneiss (Gneiss (High-grade regional metamorphic rock)) — metamorphic

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

Polished jasper (Microcrystalline quartz (SiO₂), commonly with iron-oxide and clay inclusions) — metamorphic

Polished jasper

Microcrystalline quartz (SiO₂), commonly with iron-oxide and clay inclusions

Green aventurine (likely) (Quartz, SiO₂, containing fuchsite mica or other green inclusions) — mineral

Green aventurine (likely)

Quartz, SiO₂, containing fuchsite mica or other green inclusions

Milky Quartz (with Iron staining) (Silicon Dioxide (SiO2)) — mineral

Milky Quartz (with Iron staining)

Silicon Dioxide (SiO2)

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Epidote (Unakite variety) (Epidosite (Metasomatic rock containing Ca2(Al,Fe)3(SiO4)3(OH))) — metamorphic

Epidote (Unakite variety)

Epidosite (Metasomatic rock containing Ca2(Al,Fe)3(SiO4)3(OH))

Quartz (Quartz (SiO₂)) — mineral

Quartz

Quartz (SiO₂)

Milky Quartz (Crystalline Quartz (SiO2)) — mineral

Milky Quartz

Crystalline Quartz (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Citrine Quartz carving (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz carving

Silicon Dioxide (SiO2)

Milky Quartz (SiO2 (Silicon Dioxide)) — mineral

Milky Quartz

SiO2 (Silicon Dioxide)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (SiO2) — mineral

Quartz

SiO2

Quartz (Quartzite fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Quartzite fragment)

Silicon Dioxide (SiO2)

Polished orange-red jasper (probable) (Jasper, microcrystalline quartz (SiO₂) colored by iron oxides) — metamorphic

Polished orange-red jasper (probable)

Jasper, microcrystalline quartz (SiO₂) colored by iron oxides

Polished quartz-rich breccia (Quartz–feldspar breccia; predominantly SiO₂ with feldspar and iron-oxide minerals) — metamorphic

Polished quartz-rich breccia

Quartz–feldspar breccia; predominantly SiO₂ with feldspar and iron-oxide minerals