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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

Carnelian (Chalcedony (cryptocrystalline quartz), SiO2) — Mineral

Carnelian

Chalcedony (cryptocrystalline quartz), SiO2

Carnelian (SiO2 (Silicon Dioxide)) — gemstone

Carnelian

SiO2 (Silicon Dioxide)

Jasper Beach Pebble (Silicon Dioxide (SiO2) - Macro-crystalline Quartz) — sedimentary

Jasper Beach Pebble

Silicon Dioxide (SiO2) - Macro-crystalline Quartz

Red Jasper (Microcrystalline Quartz (SiO2) with Hematite inclusions) — sedimentary

Red Jasper

Microcrystalline Quartz (SiO2) with Hematite inclusions

Jasper (Jasper (Cryptocrystalline variety of Quartz, SiO2)) — sedimentary

Jasper

Jasper (Cryptocrystalline variety of Quartz, SiO2)

Blue Lace Agate (Silicon Dioxide (SiO2) - Chalcedony / Quartz) — sedimentary

Blue Lace Agate

Silicon Dioxide (SiO2) - Chalcedony / Quartz

Carnelian (Carnelian (Silicon Dioxide: SiO2)) — mineral

Carnelian

Carnelian (Silicon Dioxide: SiO2)

Yellow Agate (Silicon Dioxide (SiO2)) — mineral

Yellow Agate

Silicon Dioxide (SiO2)

Brown Jasper (Water-worn pebble) (Silicon Dioxide (SiO2) with iron oxide impurities) — sedimentary

Brown Jasper (Water-worn pebble)

Silicon Dioxide (SiO2) with iron oxide impurities

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron impurities

Agate (SiO2) — mineral

Agate

SiO2

Red Jasper with Quartz Veining (Silicon Dioxide (SiO2) with Hematite impurities) — sedimentary

Red Jasper with Quartz Veining

Silicon Dioxide (SiO2) with Hematite impurities

Agate (Chalcedony Pebble) (Silicon Dioxide (SiO2)) — sedimentary

Agate (Chalcedony Pebble)

Silicon Dioxide (SiO2)

Tumbled jasper or chalcedony pebble (Microcrystalline quartz (SiO₂), likely jasper/chalcedony with iron-oxide staining) — mineral

Tumbled jasper or chalcedony pebble

Microcrystalline quartz (SiO₂), likely jasper/chalcedony with iron-oxide staining

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

Chalcedony (Agate/Common Opal blend) (Microcrystalline Quartz (SiO2)) — mineral

Chalcedony (Agate/Common Opal blend)

Microcrystalline Quartz (SiO2)

Yellow Jasper (Silicon Dioxide (SiO2) - variety Jasper) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) - variety Jasper

Jasper (Silicon dioxide (SiO2) with iron oxide impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with iron oxide impurities

Agate (or Chalcedony pebble) (Silicon Dioxide (SiO2)) — mineral

Agate (or Chalcedony pebble)

Silicon Dioxide (SiO2)

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

Jasper

Jasper (Silicon Dioxide, SiO2)

Carnelian (Carnelian (SiO2)) — mineral

Carnelian

Carnelian (SiO2)

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

Chalcedony (Agate Pebble)

Silicon Dioxide (SiO2)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Chalcedony (Tumbled Pebble) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Tumbled Pebble)

Silicon Dioxide (SiO2)

Polished petrified wood (Silicified wood, primarily microcrystalline quartz (SiO₂) replacing cellular tissue) — fossil

Polished petrified wood

Silicified wood, primarily microcrystalline quartz (SiO₂) replacing cellular tissue

Chalcedony (Tumbled) (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony (Tumbled)

Cryptocrystalline Quartz (SiO2)

Agate (SiO2 (Silicon dioxide, chalcedony variety)) — Mineral

Agate

SiO2 (Silicon dioxide, chalcedony variety)

Quartz (Chert/Chalcedony variety) (Silicon Dioxide (SiO2)) — sedimentary

Quartz (Chert/Chalcedony variety)

Silicon Dioxide (SiO2)

Tumbled red jasper or carnelian (Cryptocrystalline quartz (chalcedony), SiO₂, likely iron-oxide colored) — gemstone

Tumbled red jasper or carnelian

Cryptocrystalline quartz (chalcedony), SiO₂, likely iron-oxide colored

Jasper (Green Jasper/Heliotrope variety) (Silicon Dioxide (SiO2)) — sedimentary

Jasper (Green Jasper/Heliotrope variety)

Silicon Dioxide (SiO2)

Chert (Chalcedony/Agate variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Chalcedony/Agate variety)

Microcrystalline Quartz (SiO2)

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

Tumbled chalcedony or carnelian

Microcrystalline quartz (SiO₂), likely iron-bearing chalcedony

Red Jasper (Silicon Dioxide (SiO2) with Hematite inclusions) — mineral

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Polished agate fragment (Chalcedony (microcrystalline quartz, SiO₂), likely brecciated or banded agate) — mineral

Polished agate fragment

Chalcedony (microcrystalline quartz, SiO₂), likely brecciated or banded agate

Blue chalcedony cabochon (probable) (Chalcedony, cryptocrystalline quartz; silicon dioxide (SiO₂)) — gemstone

Blue chalcedony cabochon (probable)

Chalcedony, cryptocrystalline quartz; silicon dioxide (SiO₂)

Chert (Chalcedony / Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Chalcedony / Flint)

Microcrystalline Quartz (SiO2)

Carnelian (Chalcedony (cryptocrystalline quartz), SiO2) — Mineral

Carnelian

Chalcedony (cryptocrystalline quartz), SiO2

Red Jasper (Silicon Dioxide (SiO2) with Hematite inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Chert (Common Opal/Jasper variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Common Opal/Jasper variety)

Microcrystalline Quartz (SiO2)

Quartz geode (likely chalcedony-lined) (Quartz, SiO₂; microcrystalline chalcedony with drusy quartz) — mineral

Quartz geode (likely chalcedony-lined)

Quartz, SiO₂; microcrystalline chalcedony with drusy quartz

Jasper (with Manganese or Iron inclusions) (Silicon Dioxide (SiO2)) — sedimentary

Jasper (with Manganese or Iron inclusions)

Silicon Dioxide (SiO2)

Chert (Flint / Chalcedony variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint / Chalcedony variety)

Microcrystalline Quartz (SiO2)