Rock Identifier

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Mineral, Variety Of Chalcedony (Microcrystalline Quartz)

Browse mineral, variety of chalcedony (microcrystalline quartz) specimens identified by the Rock Identifier community.

Learn about Mineral, Variety Of Chalcedony (Microcrystalline Quartz) in the encyclopedia

Chalcedony

Blue Chalcedony

Blue Chalcedony

Smoky Quartz

Lithium Quartz

Dumortierite Quartz

Dumortierite Quartz

Morion Quartz

Rose Quartz

Milky Quartz

Snow Quartz

Garden Quartz

Blue Quartz

Phantom Quartz

Chalcedony (Yellow Chert / Agate) (Quartz (Silicon Dioxide - SiO2)) — mineral

Chalcedony (Yellow Chert / Agate)

Quartz (Silicon Dioxide - SiO2)

Carnelian (Silicon dioxide (SiO2) with Iron Oxide impurities) — mineral

Carnelian

Silicon dioxide (SiO2) with Iron Oxide impurities

Jasper pebble (Silicon Dioxide (SiO2) with iron oxide impurities) — sedimentary

Jasper pebble

Silicon Dioxide (SiO2) with iron oxide impurities

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

Chert (Jasper variation)

Microcrystalline Quartz (SiO2)

Chalcedony (likely agate or chert) (Microcrystalline quartz, SiO₂) — mineral

Chalcedony (likely agate or chert)

Microcrystalline quartz, SiO₂

Banded Agate (specifically Lake Superior Agate style) (Silicon Dioxide (SiO2) - Chalcedony variety) — mineral

Banded Agate (specifically Lake Superior Agate style)

Silicon Dioxide (SiO2) - Chalcedony variety

Dyed Blue Agate (Slab) (Agate (Variety of Chalcedony/Microcrystalline Quartz), SiO2) — mineral

Dyed Blue Agate (Slab)

Agate (Variety of Chalcedony/Microcrystalline Quartz), SiO2

Carnelian (Chalcedony (SiO2)) — gemstone

Carnelian

Chalcedony (SiO2)

Ocean Jasper (Orbicular Jasper (variety of Chalcedony/Quartz, SiO2)) — sedimentary

Ocean Jasper

Orbicular Jasper (variety of Chalcedony/Quartz, SiO2)

Chalcedony (possibly agate or common quartz) (Microcrystalline quartz, SiO₂) — mineral

Chalcedony (possibly agate or common quartz)

Microcrystalline quartz, SiO₂

Dalmation Stone (often called Dalmatian Jasper) (Antiperthite-rich Microgranite) — igneous

Dalmation Stone (often called Dalmatian Jasper)

Antiperthite-rich Microgranite

Red Jasper (Silicon dioxide / Quartz (SiO2 (+Fe2O3))) — sedimentary

Red Jasper

Silicon dioxide / Quartz (SiO2 (+Fe2O3))

Agate (Agate (Cryptocrystalline Variety of Quartz, SiO2)) — Mineral

Agate

Agate (Cryptocrystalline Variety of Quartz, SiO2)

Jasper Geode (Silicon Dioxide (SiO2) with impurities) — sedimentary

Jasper Geode

Silicon Dioxide (SiO2) with impurities

Agate and Chalcedony Beads (Cryptocrystalline Quartz (SiO2)) — gemstone

Agate and Chalcedony Beads

Cryptocrystalline Quartz (SiO2)

Iron-stained Quartz / Chalcedony Pebble (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Iron-stained Quartz / Chalcedony Pebble

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Tumbled brown jasper (probable) (Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide inclusions) — mineral

Tumbled brown jasper (probable)

Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide inclusions

Agate (Silicon Dioxide (SiO2) - Variety of Chalcedony) — mineral

Agate

Silicon Dioxide (SiO2) - Variety of Chalcedony

Red Jasper (Jasper (Silicon Dioxide, SiO2)) — sedimentary

Red Jasper

Jasper (Silicon Dioxide, SiO2)

Jasper (Iron-stained) (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper (Iron-stained)

Silicon Dioxide (SiO2) with iron oxide inclusions

Rough Chalcedony / Jasper Nodules (Silicon Dioxide (SiO2)) — mineral

Rough Chalcedony / Jasper Nodules

Silicon Dioxide (SiO2)

Orbicular jasper (likely ocean jasper) (Silica-rich microcrystalline quartz/chalcedony with iron-oxide and other mineral inclusions; commonly classified as orbicular jasper) — mineral

Orbicular jasper (likely ocean jasper)

Silica-rich microcrystalline quartz/chalcedony with iron-oxide and other mineral inclusions; commonly classified as orbicular jasper

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

Orange Quartzite / Carnelian Agate

Silicon Dioxide (SiO2)

Polished brecciated jasper (Jasper (microcrystalline quartz, SiO₂), likely brecciated and iron-stained) — metamorphic

Polished brecciated jasper

Jasper (microcrystalline quartz, SiO₂), likely brecciated and iron-stained

Jasper (Cream/Yellow variety) (Silicon Dioxide (SiO2) with impurities) — sedimentary

Jasper (Cream/Yellow variety)

Silicon Dioxide (SiO2) with impurities

Blue Lace Agate (Chalcedony (SiO2)) — mineral

Blue Lace Agate

Chalcedony (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

Carnelian (a variety of Chalcedony) (SiO2 (Silicon Dioxide) with Iron Oxide impurities) — mineral

Carnelian (a variety of Chalcedony)

SiO2 (Silicon Dioxide) with Iron Oxide impurities

Agate (Silicon Dioxide (SiO2) - Chalcedony variant) — mineral

Agate

Silicon Dioxide (SiO2) - Chalcedony variant

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

Red Jasper

SiO2 (Silicon Dioxide with Iron Oxide inclusions)

sedimentary/mineral

Pink chalcedony (pink agate-like quartz) (Microcrystalline quartz, SiO₂ (chalcedony; likely iron-bearing)) — mineral

Pink chalcedony (pink agate-like quartz)

Microcrystalline quartz, SiO₂ (chalcedony; likely iron-bearing)

Red Jasper (Red Jasper (variety of Chalcedony, SiO₂)) — Mineral

Red Jasper

Red Jasper (variety of Chalcedony, SiO₂)

Red jasper (likely brecciated jasper) (Microcrystalline quartz/chalcedony, SiO₂, colored mainly by iron oxides) — mineral

Red jasper (likely brecciated jasper)

Microcrystalline quartz/chalcedony, SiO₂, colored mainly by iron oxides

Jasper (Mookaite variety likely) (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper (Mookaite variety likely)

Silicon Dioxide (SiO2) with iron oxide inclusions

Agate (or Chalcedony) (SiO2 (Silicon Dioxide) - a cryptocrystalline variety of quartz) — Mineral

Agate (or Chalcedony)

SiO2 (Silicon Dioxide) - a cryptocrystalline variety of quartz

Ferruginous Quartz (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Sardonyx or Carnelian Agate (Silicon Dioxide (SiO2) with iron impurities) — mineral

Sardonyx or Carnelian Agate

Silicon Dioxide (SiO2) with iron impurities

Amethyst Lace Agate / Banded Amethyst (Silicon Dioxide (SiO2) with Fe3+ impurities) — mineral

Amethyst Lace Agate / Banded Amethyst

Silicon Dioxide (SiO2) with Fe3+ impurities

Chalcedony (Agate / Jasper Specimen) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate / Jasper Specimen)

Silicon Dioxide (SiO2)

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

Chert / Jasper

Silicon Dioxide (SiO2)

Jasper with Quartz Druzy (Silicon Dioxide (SiO2)) — sedimentary

Jasper with Quartz Druzy

Silicon Dioxide (SiO2)

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

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite inclusions