Rock Identifier

Category

Mineral (Specifically A Cryptocrystalline Variety Of Quartz)

Browse mineral (specifically a cryptocrystalline variety of quartz) specimens identified by the Rock Identifier community.

Learn about Mineral (Specifically A Cryptocrystalline Variety Of Quartz) in the encyclopedia

Smoky Quartz

Lithium Quartz

Dumortierite Quartz

Dumortierite Quartz

Morion Quartz

Rose Quartz

Milky Quartz

Snow Quartz

Garden Quartz

Blue Quartz

Phantom Quartz

Green Quartz

Chalcedony

Agate (SiO2) — mineral

Agate

SiO2

Polished red jasper (likely hematite-bearing jasper) (Jasper, microcrystalline quartz (SiO₂), colored chiefly by iron oxides such as hematite/goethite) — mineral

Polished red jasper (likely hematite-bearing jasper)

Jasper, microcrystalline quartz (SiO₂), colored chiefly by iron oxides such as hematite/goethite

Sunstone (Feldspar variety) (Plagioclase Feldspar (Na,Ca)(Si,Al)3O8 with Hematite/Goethite inclusions) — mineral

Sunstone (Feldspar variety)

Plagioclase Feldspar (Na,Ca)(Si,Al)3O8 with Hematite/Goethite inclusions

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

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

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)

Quartz Veined Rock (Likely Graywacke or Quartzite) (Silicon Dioxide (SiO2) veins in Metasedimentary matrix) — metamorphic

Quartz Veined Rock (Likely Graywacke or Quartzite)

Silicon Dioxide (SiO2) veins in Metasedimentary matrix

Citrine Quartz (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz

Silicon Dioxide (SiO2)

Red Jasper (possibly with Quartz or Hematite) (Silicon Dioxide (SiO2) with iron oxide impurities) — sedimentary or metamorphic

Red Jasper (possibly with Quartz or Hematite)

Silicon Dioxide (SiO2) with iron oxide impurities

sedimentary or metamorphic

Chalcedony (Chalcedony (SiO2)) — mineral

Chalcedony

Chalcedony (SiO2)

Banded Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert

Microcrystalline Quartz (SiO2)

Orbicular Granite (specifically Mustard or Yellow Tonalite/Granodiorite) (Orbicular Quartz Diorite / Tonalite) — igneous

Orbicular Granite (specifically Mustard or Yellow Tonalite/Granodiorite)

Orbicular Quartz Diorite / Tonalite

Blue Chalcedony (Blue Lace Agate variety) (Silicon Dioxide (SiO₂)) — mineral

Blue Chalcedony (Blue Lace Agate variety)

Silicon Dioxide (SiO₂)

Polished red jasper (Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides) — mineral

Polished red jasper

Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides

Chert / Flint (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert / Flint

Cryptocrystalline Quartz (SiO2)

Chalcedony Geode (Chalcedony (SiO2) within a geode structure) — Mineral Geode/Sedimentary or Volcanic related

Chalcedony Geode

Chalcedony (SiO2) within a geode structure

Mineral Geode/Sedimentary or Volcanic related

Rose Quartz (Silicon dioxide (SiO2)) — mineral

Rose Quartz

Silicon dioxide (SiO2)

Polished carnelian/chalcedony (Carnelian, a reddish-orange variety of microcrystalline quartz (SiO₂)) — mineral

Polished carnelian/chalcedony

Carnelian, a reddish-orange variety of microcrystalline quartz (SiO₂)

Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Sunstone with Black Tourmaline (Arfvedsonite) (Feldspar (Na,Ca)(Al,Si)4O8 with Schorl Na(Fe3+)3Al6(Si6O18)(BO3)3(OH)3(OH)) — mineral

Sunstone with Black Tourmaline (Arfvedsonite)

Feldspar (Na,Ca)(Al,Si)4O8 with Schorl Na(Fe3+)3Al6(Si6O18)(BO3)3(OH)3(OH)

Dalmatian Stone (Dalmatian Jasper (Aphanitic Igneous Rock with Arfvedsonite inclusions)) — igneous

Dalmatian Stone

Dalmatian Jasper (Aphanitic Igneous Rock with Arfvedsonite inclusions)

Chalcedony with Quartz Crystals (Silicon Dioxide (SiO2)) — mineral

Chalcedony with Quartz Crystals

Silicon Dioxide (SiO2)

Chert (specifically Gray/Tan Bedded Chert) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Gray/Tan Bedded Chert)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Chert (often referred to as Flint or Jasper when pigmented) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (often referred to as Flint or Jasper when pigmented)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Chert (Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert / Flint (Chert (Cryptocrystalline Quartz, SiO2)) — sedimentary

Chert / Flint

Chert (Cryptocrystalline Quartz, SiO2)

Citrine Quartz (Silicon Dioxide (SiO2) with iron impurities) — mineral

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Lepidolite with Quartz (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) — mineral

Lepidolite with Quartz

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2

Blue Lace Agate (Cryptocrystalline Quartz (SiO2) with trace minerals) — mineral

Blue Lace Agate

Cryptocrystalline Quartz (SiO2) with trace minerals

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon dioxide (SiO2)) — mineral

Milky Quartz

Silicon dioxide (SiO2)

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)

Cloudy Quartz (or Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

Cloudy Quartz (or Milky Quartz)

Silicon Dioxide (SiO2)

Agate (Agate (Chalcedony), SiO2) — Mineral

Agate

Agate (Chalcedony), SiO2

Ocean Jasper (Orbicular Jasper) (Silicon Dioxide (SiO2) with iron and magnesium inclusions) — mineral

Ocean Jasper (Orbicular Jasper)

Silicon Dioxide (SiO2) with iron and magnesium inclusions

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

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Granite (Granite (Alkali-feldspar granite)) — igneous

Granite

Granite (Alkali-feldspar granite)

Tumbled yellow jasper or petrified wood fragment (Microcrystalline quartz (chalcedony), SiO₂, possibly iron-oxide-bearing jasper) — mineral

Tumbled yellow jasper or petrified wood fragment

Microcrystalline quartz (chalcedony), SiO₂, possibly iron-oxide-bearing jasper