Rock Identifier

Category

Mineral In A Matrix (Likely Quartz Or Feldspar)

Browse mineral in a matrix (likely quartz or feldspar) specimens identified by the Rock Identifier community.

Quartz (Iron-Stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-Stained)

Silicon Dioxide (SiO2)

Sandstone (Arenite (SiO2 + various cementing minerals)) — sedimentary

Sandstone

Arenite (SiO2 + various cementing minerals)

Quartz Druze (Crystalline Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz Druze (Crystalline Quartz)

Silicon Dioxide (SiO2)

Diorite (River Pebble) (Intermediate plutonic igneous rock) — igneous

Diorite (River Pebble)

Intermediate plutonic igneous rock

Wishing Stone (Sandstone with Quartz Vein) (Arenite with Quartzite intrusion (SiO₂)) — sedimentary

Wishing Stone (Sandstone with Quartz Vein)

Arenite with Quartzite intrusion (SiO₂)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Granite (Granite (Felsic Plutonic Rock)) — Igneous

Granite

Granite (Felsic Plutonic Rock)

Amazonite (K(AlSi3O8) - Lead-bearing Microcline (Tectosilicate)) — mineral

Amazonite

K(AlSi3O8) - Lead-bearing Microcline (Tectosilicate)

Chakra Stone Bracelet (mixed gemstones) (Multi-mineral/Gemstone assembly (primarily Quartz variety beads)) — mineral

Chakra Stone Bracelet (mixed gemstones)

Multi-mineral/Gemstone assembly (primarily Quartz variety beads)

Gneiss (Gneiss (High-grade Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (High-grade Metamorphic Rock)

Beryl (Emerald Variety) (Beryllium Aluminum Silicate (Be3Al2(SiO3)6)) — mineral

Beryl (Emerald Variety)

Beryllium Aluminum Silicate (Be3Al2(SiO3)6)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Granite Pebble (Granite (Phaneritic intrusive igneous rock)) — igneous

Granite Pebble

Granite (Phaneritic intrusive igneous rock)

Granite (specifically Brown Granite Countertop) (Phaneritic Felsic Igneous Rock (Granite-Gabbro series)) — igneous

Granite (specifically Brown Granite Countertop)

Phaneritic Felsic Igneous Rock (Granite-Gabbro series)

Feldspar-rich Granite (Pink Granite) (Phaneritic Felsic Igneous Rock) — igneous

Feldspar-rich Granite (Pink Granite)

Phaneritic Felsic Igneous Rock

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

Granite Pebble (Granite (Felsic Plutonic Rock)) — igneous

Granite Pebble

Granite (Felsic Plutonic Rock)

Granite Tile (Commercial Granite) (Granite (Phaneritic Quartz-Feldspar Plutonic Rock)) — igneous

Granite Tile (Commercial Granite)

Granite (Phaneritic Quartz-Feldspar Plutonic Rock)

Quartz in Matrix (possibly Basalt or Siltstone host) (Silicon Dioxide (SiO2) in Host Rock) — mineral

Quartz in Matrix (possibly Basalt or Siltstone host)

Silicon Dioxide (SiO2) in Host Rock

Clear Quartz (Druzy) (Crystalline Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Druzy)

Crystalline Silicon Dioxide (SiO2)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Diorite (River Cobble) (Intermediate plutonic igneous rock) — igneous

Diorite (River Cobble)

Intermediate plutonic igneous rock

Granite (Granite (Mainly Quartz, Feldspar, and Mica)) — igneous

Granite

Granite (Mainly Quartz, Feldspar, and Mica)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Granite (Granite (Phaneritic Quartz-Feldspar rock)) — igneous

Granite

Granite (Phaneritic Quartz-Feldspar rock)

Granite (Granite (Felsic intrusive igneous rock)) — igneous

Granite

Granite (Felsic intrusive igneous rock)

Granite (Granite (Mainly Quartz, Feldspar, and Mica)) — igneous

Granite

Granite (Mainly Quartz, Feldspar, and Mica)

Druzy Quartz on Limestone (Silicon Dioxide (SiO2)) — mineral

Druzy Quartz on Limestone

Silicon Dioxide (SiO2)

Quartz (Milky Quartz / Quartzite) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky Quartz / Quartzite)

Silicon Dioxide (SiO2)

Granite (Granite (Phaneritic igneous rock)) — igneous

Granite

Granite (Phaneritic igneous rock)

Herkimer Diamond (Quartz (SiO2)) — mineral

Herkimer Diamond

Quartz (SiO2)

Granite (Phaneritic Felsic Igneous Rock (Granite)) — igneous

Granite

Phaneritic Felsic Igneous Rock (Granite)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Vein in Host Rock (Silicon Dioxide (SiO2)) — mineral

Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

Quartz (Milky or Iron-stained) (Quartz (Silicon Dioxide, SiO2)) — mineral

Quartz (Milky or Iron-stained)

Quartz (Silicon Dioxide, SiO2)

Diorite (Diorite) — igneous

Diorite

Diorite

Wishing Stone (Gneiss or Basalt with Quartz Vein) (Gneiss or Metabasalt (with a Quartz or Calcite intrusion)) — metamorphic

Wishing Stone (Gneiss or Basalt with Quartz Vein)

Gneiss or Metabasalt (with a Quartz or Calcite intrusion)

Quartz (Milky or Citrine-tinted) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Citrine-tinted)

Silicon Dioxide (SiO2)

Schist (Mica Schist (Quartz-Muscovite-Biotite Schist)) — metamorphic

Schist

Mica Schist (Quartz-Muscovite-Biotite Schist)

Flowerstone (Porphyry) (Porphyritic Andesite or Basalt) — igneous

Flowerstone (Porphyry)

Porphyritic Andesite or Basalt