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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 (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

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

Blue Chalcedony (Agate)

Silicon Dioxide (SiO2)

Carnelian (Quartz (chalcedony variety), SiO2) — gemstone

Carnelian

Quartz (chalcedony variety), SiO2

Polished agate geode slice (Chalcedony (microcrystalline quartz, SiO₂), banded agate variety) — mineral

Polished agate geode slice

Chalcedony (microcrystalline quartz, SiO₂), banded agate variety

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

Quartz (Agate/Chalcedony)

Silicon Dioxide (SiO2)

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Polished banded agate, likely moss or dendritic agate (Microcrystalline quartz (chalcedony), SiO₂, with iron/manganese inclusions) — mineral

Polished banded agate, likely moss or dendritic agate

Microcrystalline quartz (chalcedony), SiO₂, with iron/manganese inclusions

Carnelian (Cryptocrystalline Quartz (SiO2 with Hematite impurities)) — mineralish (variety of chalcedony)

Carnelian

Cryptocrystalline Quartz (SiO2 with Hematite impurities)

mineralish (variety of chalcedony)

Polished orbicular jasper (probable ocean jasper) (Microcrystalline quartz/chalcedony (SiO₂) with iron-oxide and other mineral inclusions) — gemstone

Polished orbicular jasper (probable ocean jasper)

Microcrystalline quartz/chalcedony (SiO₂) with iron-oxide and other mineral inclusions

Red Jasper (Skull Carving) (Jasper, a cryptocrystalline variety of Quartz (SiO2)) — sedimentary

Red Jasper (Skull Carving)

Jasper, a cryptocrystalline variety of Quartz (SiO2)

Riverstone Jasper (Chert variant) (Silicon Dioxide (SiO2) with impurities) — sedimentary

Riverstone Jasper (Chert variant)

Silicon Dioxide (SiO2) with impurities

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron inclusions

Blue Lace Agate (Silicon Dioxide (Chalcedony variety), SiO2) — gemstone

Blue Lace Agate

Silicon Dioxide (Chalcedony variety), SiO2

Tree Agate (Silicon Dioxide (SiO2)) — mineral

Tree Agate

Silicon Dioxide (SiO2)

Orbicular Jasper (Ocean Jasper or Poppy Jasper variant) (Silicon Dioxide (SiO2) with various inclusions) — sedimentary

Orbicular Jasper (Ocean Jasper or Poppy Jasper variant)

Silicon Dioxide (SiO2) with various inclusions

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

Jasper

Silicon dioxide (SiO2) with impurities

Chalcedony (River Stone) (Microcrystalline Quartz (SiO2)) — mineral

Chalcedony (River Stone)

Microcrystalline Quartz (SiO2)

Banded agate (chalcedony) (Microcrystalline quartz, SiO₂; agate variety of chalcedony) — mineral

Banded agate (chalcedony)

Microcrystalline quartz, SiO₂; agate variety of chalcedony

Tumbled red jasper with a quartz vein (Jasper (microcrystalline quartz, SiO₂), likely crossed by milky quartz) — metamorphic

Tumbled red jasper with a quartz vein

Jasper (microcrystalline quartz, SiO₂), likely crossed by milky quartz

Banded Agate (Silicon Dioxide (SiO2) - Chalcedony variety) — mineral

Banded Agate

Silicon Dioxide (SiO2) - Chalcedony variety

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

Smoky Quartz / Chalcedony

Silicon Dioxide (SiO2)

Chrysoprase (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Chrysoprase

Chalcedony (Silicon Dioxide, SiO2)

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

Jasper

Silicon dioxide (SiO2) with impurities

Polished banded agate (likely blue lace agate) (Chalcedony, microcrystalline SiO₂, with iron and other trace-element impurities) — mineral

Polished banded agate (likely blue lace agate)

Chalcedony, microcrystalline SiO₂, with iron and other trace-element impurities

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

Jasper with Quartz Vein

Silicon Dioxide (SiO2)

Jasper (Silicon dioxide (SiO2)) — Mineral/Sedimentary

Jasper

Silicon dioxide (SiO2)

Mineral/Sedimentary

Jasper (likely river-worn) (Silicon Dioxide (SiO2)) — sedimentary

Jasper (likely river-worn)

Silicon Dioxide (SiO2)

Carnelian/chalcedony rough (Microcrystalline quartz (SiO₂), iron-oxide-colored chalcedony) — mineral

Carnelian/chalcedony rough

Microcrystalline quartz (SiO₂), iron-oxide-colored chalcedony

Banded Agate (Yellow Agate) (Silicon Dioxide (SiO2)) — mineral

Banded Agate (Yellow Agate)

Silicon Dioxide (SiO2)

Agate (Carnelian / Chalcedony) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Agate (Carnelian / Chalcedony)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Agate (specifically a small Chalcedony nodule) (Agate (Cryptocrystalline variety of Quartz, SiO2)) — mineral

Agate (specifically a small Chalcedony nodule)

Agate (Cryptocrystalline variety of Quartz, SiO2)

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

Chert / Chalcedony

Microcrystalline Quartz (SiO2)

Polished brecciated jasper (likely orbicular/picture jasper) (Microcrystalline quartz/chalcedony (SiO₂) with iron-oxide staining and breccia fragments) — mineral

Polished brecciated jasper (likely orbicular/picture jasper)

Microcrystalline quartz/chalcedony (SiO₂) with iron-oxide staining and breccia fragments

Tumbled jasper (likely brecciated or leopard jasper) (Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide inclusions) — mineral

Tumbled jasper (likely brecciated or leopard jasper)

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

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

Carnelian

Carnelian (Silicon Dioxide - SiO2)

Blue Lace Agate (Polished Point) (Silicon Dioxide (SiO2) - Variety of Chalcedony) — mineral

Blue Lace Agate (Polished Point)

Silicon Dioxide (SiO2) - Variety of Chalcedony

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

Quartz (Chert/Chalcedony variety)

Silicon Dioxide (SiO2)

Tumbled brown quartz/chalcedony (probable) (Quartz, SiO₂; possibly brown chalcedony or jasper) — mineral

Tumbled brown quartz/chalcedony (probable)

Quartz, SiO₂; possibly brown chalcedony or jasper

Agate and Jasper (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Agate and Jasper

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Banded chert (likely flint) (Microcrystalline quartz/chalcedony, SiO₂) — sedimentary

Banded chert (likely flint)

Microcrystalline quartz/chalcedony, SiO₂

Pink Dyed Agate (Banded Chalcedony) (Silicon dioxide (SiO2) - variety Chalcedony) — mineral

Pink Dyed Agate (Banded Chalcedony)

Silicon dioxide (SiO2) - variety Chalcedony

Tumbled agate, likely carnelian/chalcedony (Microcrystalline quartz (SiO₂), chalcedony with iron-oxide staining) — mineral

Tumbled agate, likely carnelian/chalcedony

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