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

Yellow chalcedony (likely lemon quartz or citrine) (Cryptocrystalline silica, SiO₂; possible quartz variety) — mineral

Yellow chalcedony (likely lemon quartz or citrine)

Cryptocrystalline silica, SiO₂; possible quartz variety

Red jasper (likely polished/tumbled) (Microcrystalline quartz, SiO₂, colored mainly by hematite/goethite) — mineral

Red jasper (likely polished/tumbled)

Microcrystalline quartz, SiO₂, colored mainly by hematite/goethite

Agate (specifically Moss or Plume Agate nodding toward Agatized Wood) (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz (Chalcedony)) — mineral

Agate (specifically Moss or Plume Agate nodding toward Agatized Wood)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz (Chalcedony)

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Amazonite (Microcline (KAlSi3O8, a variety of Potassium Feldspar)) — mineral

Amazonite

Microcline (KAlSi3O8, a variety of Potassium Feldspar)

Banded Jasper (Silicate Mineral (Microcrystalline Quartz / SiO2)) — sedimentary

Banded Jasper

Silicate Mineral (Microcrystalline Quartz / SiO2)

Chert (Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper)

Microcrystalline Quartz (SiO2)

Banded Agate with Druzy Quartz (Agate (Silicon Dioxide - SiO2)) — mineral

Banded Agate with Druzy Quartz

Agate (Silicon Dioxide - SiO2)

Zebra Jasper (Silicon Dioxide (SiO2) with impurities; typically a form of Chalcedony/Microcrystalline Quartz) — sedimentary

Zebra Jasper

Silicon Dioxide (SiO2) with impurities; typically a form of Chalcedony/Microcrystalline Quartz

Polished brecciated jasper (Jasper, microcrystalline quartz (SiO₂), with iron-oxide inclusions) — mineral

Polished brecciated jasper

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

Chert (Yellow Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Yellow Jasper)

Microcrystalline Quartz (SiO2)

Tumbled jasper or iron-rich chert (Microcrystalline quartz (SiO₂), likely colored by iron oxides) — mineral

Tumbled jasper or iron-rich chert

Microcrystalline quartz (SiO₂), likely colored by iron oxides

Carnelian (red-orange chalcedony) (Chalcedony, cryptocrystalline SiO₂; quartz-group mineral) — gemstone

Carnelian (red-orange chalcedony)

Chalcedony, cryptocrystalline SiO₂; quartz-group mineral

Chalcedony (Chalcedony (SiO₂)) — Mineral

Chalcedony

Chalcedony (SiO₂)

Ruby (Raw Corundum) (Corundum (Al2O3 with Chromium impurities)) — mineral

Ruby (Raw Corundum)

Corundum (Al2O3 with Chromium impurities)

Chert (Nodule) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Nodule)

Microcrystalline Quartz (SiO2)

Quartz (Agate/Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Quartz (Agate/Chalcedony)

Silicon Dioxide (SiO2)

Yellow Jasper (Cryptocrystalline quartz (SiO2) with iron inclusions) — sedimentary

Yellow Jasper

Cryptocrystalline quartz (SiO2) with iron inclusions

Jasper (yellow/cream variety) (SiO₂ (Cryptocrystalline Quartz)) — Sedimentary

Jasper (yellow/cream variety)

SiO₂ (Cryptocrystalline Quartz)

Biggs Jasper (Cryptocrystalline Quartz (Silicon Dioxide) - SiO2) — sedimentary

Biggs Jasper

Cryptocrystalline Quartz (Silicon Dioxide) - SiO2

Tumbled chalcedony (likely yellow agate or citrine-like quartz) (Microcrystalline quartz, SiO₂; yellow coloration may result from iron oxides or inclusions) — mineral

Tumbled chalcedony (likely yellow agate or citrine-like quartz)

Microcrystalline quartz, SiO₂; yellow coloration may result from iron oxides or inclusions

Tumbled dark reddish-brown stone, possibly red jasper (Jasper, microcrystalline quartz (SiO₂), likely iron-oxide colored) — mineral

Tumbled dark reddish-brown stone, possibly red jasper

Jasper, microcrystalline quartz (SiO₂), likely iron-oxide colored

Puddingstone (specifically Michigan/Gowganda Puddingstone) (Conglomerate (Jasper Conglomerate)) — sedimentary

Puddingstone (specifically Michigan/Gowganda Puddingstone)

Conglomerate (Jasper Conglomerate)

Quartz (Smoky Quartz variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky Quartz variant)

Silicon Dioxide (SiO2)

Chert (Jasper-like) (SiO2 (Cryptocrystalline Quartz)) — Sedimentary

Chert (Jasper-like)

SiO2 (Cryptocrystalline Quartz)

Mixed Chalcedony and Jasper Bracelet (possibly 'Ocean Jasper' or similar banded variety for brown beads, and blue/grey Chalcedony for the translucent beads) (Chalcedony (SiO2), Jasper (SiO2 with impurities)) — Mineral (specifically a cryptocrystalline variety of Quartz)

Mixed Chalcedony and Jasper Bracelet (possibly 'Ocean Jasper' or similar banded variety for brown beads, and blue/grey Chalcedony for the translucent beads)

Chalcedony (SiO2), Jasper (SiO2 with impurities)

Mineral (specifically a cryptocrystalline variety of Quartz)

Yellow Jasper (Jasper (Silicon Dioxide with Iron Hydroxide impurities, SiO2 + FeO(OH))) — sedimentary

Yellow Jasper

Jasper (Silicon Dioxide with Iron Hydroxide impurities, SiO2 + FeO(OH))

Smoky Quartz (Quartz (SiO2) with natural radiation) — mineral

Smoky Quartz

Quartz (SiO2) with natural radiation

Jasper with Quartz (Silicon Dioxide (SiO2) - Chalcedony variety) — mineral

Jasper with Quartz

Silicon Dioxide (SiO2) - Chalcedony variety

Green Chert (Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Green Chert (Jasper)

Silicon Dioxide (SiO2)

Carnelian (Flame Polished) (Carnelian (SiO2 with Iron Oxide impurities)) — mineral

Carnelian (Flame Polished)

Carnelian (SiO2 with Iron Oxide impurities)

Chalcedony Pebble (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony Pebble

Cryptocrystalline Quartz (SiO2)

Lace Agate (specifically Red Lace Agate) (Silicon Dioxide (SiO2) - variety of Chalcedony/Quartz) — Mineral

Lace Agate (specifically Red Lace Agate)

Silicon Dioxide (SiO2) - variety of Chalcedony/Quartz

Chert (specifically Jasper/Agate variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Jasper/Agate variety)

Microcrystalline Quartz (SiO2)

Chert (specifically Tan Chert) (Chert (SiO2)) — sedimentary

Chert (specifically Tan Chert)

Chert (SiO2)

Tumbled brown jasper (Jasper, microcrystalline quartz (SiO₂), commonly with iron-oxide impurities) — mineral

Tumbled brown jasper

Jasper, microcrystalline quartz (SiO₂), commonly with iron-oxide impurities

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Chert (or Flint) (Chert (cryptocrystalline quartz), SiO2) — Sedimentary

Chert (or Flint)

Chert (cryptocrystalline quartz), SiO2

Chert (Yellow Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Yellow Jasper)

Microcrystalline Quartz (SiO2)

Pink Amethyst (or Pink Quartz) (Silicon Dioxide (SiO2) with trace inclusions) — gemstone

Pink Amethyst (or Pink Quartz)

Silicon Dioxide (SiO2) with trace inclusions

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Chert (specifically Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Flint)

Silicon Dioxide (SiO2)