Rock Identifier

Category

Mineral, Specifically A Cryptocrystalline Quartz Variety

Browse mineral, specifically a cryptocrystalline quartz variety specimens identified by the Rock Identifier community.

Learn about Mineral, Specifically A Cryptocrystalline Quartz Variety 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

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

Chert (specifically Flint or Common Chert)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (specifically Flint or Jasper variant) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Flint or Jasper variant)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Chert (specifically White Chert or Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (specifically Flint or Jasper variant) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Flint or Jasper variant)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Chert (specifically Black Chert or Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Chert (specifically Flint or Common Chert)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Chert (specifically White Chert or Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Agate (Cryptocrystalline Silicon Dioxide (SiO2)) — mineral

Agate

Cryptocrystalline Silicon Dioxide (SiO2)

Labradorite (Feldspar) (Labradorite: (Ca,Na)(Al,Si)4O8) — mineral

Labradorite (Feldspar)

Labradorite: (Ca,Na)(Al,Si)4O8

Chert (specifically Flint or Jasper variant) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (specifically Flint or Jasper variant)

Microcrystalline quartz (SiO2)

Chert (specifically Gray/Black Chert) (Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)) — sedimentary

Chert (specifically Gray/Black Chert)

Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)

Polished agate slice (Agate, a banded variety of chalcedony (microcrystalline SiO₂)) — mineral

Polished agate slice

Agate, a banded variety of chalcedony (microcrystalline SiO₂)

Yellow Jasper (Silicon Dioxide (SiO2) with iron inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron inclusions

Tumbled carnelian (Carnelian, orange chalcedony (microcrystalline SiO₂)) — gemstone

Tumbled carnelian

Carnelian, orange chalcedony (microcrystalline SiO₂)

Tumbled orange chalcedony (likely carnelian) (Cryptocrystalline quartz, SiO₂; orange variety commonly called carnelian) — mineral

Tumbled orange chalcedony (likely carnelian)

Cryptocrystalline quartz, SiO₂; orange variety commonly called carnelian

Jasper (Iron-stained Chert) (Silicon Dioxide (SiO2) with Iron Oxides) — sedimentary

Jasper (Iron-stained Chert)

Silicon Dioxide (SiO2) with Iron Oxides

Polished orbicular jasper (likely ocean jasper) (Jasper, microcrystalline quartz (SiO₂), with iron-oxide and volcanic-mineral inclusions) — mineral

Polished orbicular jasper (likely ocean jasper)

Jasper, microcrystalline quartz (SiO₂), with iron-oxide and volcanic-mineral inclusions

Chert / Fossilized Burrow Cast (Microcrystalline Quartz (SiO2) with Trace Carbonates) — sedimentary

Chert / Fossilized Burrow Cast

Microcrystalline Quartz (SiO2) with Trace Carbonates

Red Jasper (Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions

Tumbled jasper (Microcrystalline quartz (SiO₂), commonly iron-oxide-bearing chalcedony) — mineral

Tumbled jasper

Microcrystalline quartz (SiO₂), commonly iron-oxide-bearing chalcedony

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Tumbled chalcedony or jasper (Microcrystalline quartz (SiO₂), likely iron-bearing chalcedony/jasper) — mineral

Tumbled chalcedony or jasper

Microcrystalline quartz (SiO₂), likely iron-bearing chalcedony/jasper

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Red Chalcedony (likely dyed) (Chalcedony (a variety of Quartz), SiO2) — Mineral (Cryptocrystalline Quartz)

Red Chalcedony (likely dyed)

Chalcedony (a variety of Quartz), SiO2

Mineral (Cryptocrystalline Quartz)

Banded Black Onyx (Chalcedony) (Silicon Dioxide (SiO₂)) — mineral

Banded Black Onyx (Chalcedony)

Silicon Dioxide (SiO₂)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Moss Agate (Chalcedony (SiO2) with inclusions of manganese or iron oxide) — mineral

Moss Agate

Chalcedony (SiO2) with inclusions of manganese or iron oxide

Agate (Cryptocrystalline quartz (SiO2)) — mineral

Agate

Cryptocrystalline quartz (SiO2)

Amazonite (Microcline (K(AlSi3O8))) — mineral

Amazonite

Microcline (K(AlSi3O8))

Tumbled pale green quartz (likely aventurine or common quartz) (Quartz, silicon dioxide (SiO₂); green color may result from fuchsite or chlorite inclusions) — mineral

Tumbled pale green quartz (likely aventurine or common quartz)

Quartz, silicon dioxide (SiO₂); green color may result from fuchsite or chlorite inclusions

Chert (specifically Brown Chert or Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Brown Chert or Jasper)

Microcrystalline Quartz (SiO2)

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Black Onyx (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Black Onyx

Chalcedony (Silicon Dioxide, SiO2)

Black Onyx (Tumbled) (Silicon Dioxide (SiO2)) — mineral

Black Onyx (Tumbled)

Silicon Dioxide (SiO2)

Polished Agate (Yellow/Grey Agate Pendant) (Silicon Dioxide (SiO2)) — mineral

Polished Agate (Yellow/Grey Agate Pendant)

Silicon Dioxide (SiO2)

Sandstone (Arenite (specifically Quartz Arenite)) — sedimentary

Sandstone

Arenite (specifically Quartz Arenite)

Tumbled brown jasper (Microcrystalline quartz (chalcedony), SiO₂, colored by iron oxides) — mineral

Tumbled brown jasper

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

Tumbled Chalcedony (Quartz (Silicon Dioxide - SiO2)) — mineral

Tumbled Chalcedony

Quartz (Silicon Dioxide - SiO2)

Chalcedony (Agate Nodule) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate Nodule)

Silicon Dioxide (SiO2)

Blue Lace Agate (Polished Point) (Silicon Dioxide (SiO2)) — mineral

Blue Lace Agate (Polished Point)

Silicon Dioxide (SiO2)

Fuchsite (Chromian Muscovite, K(Al,Cr)2(AlSi3O10)(OH)2) — mineral

Fuchsite

Chromian Muscovite, K(Al,Cr)2(AlSi3O10)(OH)2

Chert (Black Chert/Flint) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Black Chert/Flint)

Microcrystalline quartz (SiO2)