Rock Identifier

Category

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

Jasper with Iron Staining (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Jasper with Iron Staining

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Jasper Agate (Cryptocrystalline quartz, SiO2) — mineral

Jasper Agate

Cryptocrystalline quartz, SiO2

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

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

Tumbled brown jasper

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

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

Blue Chalcedony (Agate)

Silicon Dioxide (SiO2)

Chalcedony (Agate) (Chalcedony (Cryptocrystalline Quartz, SiO2)) — mineral

Chalcedony (Agate)

Chalcedony (Cryptocrystalline Quartz, SiO2)

Jasper (Cream/Yellow variety) (Silicon dioxide (SiO2)) — sedimentary

Jasper (Cream/Yellow variety)

Silicon dioxide (SiO2)

Iron-rich chert or jasper (Microcrystalline quartz (SiO₂), commonly colored by hematite/goethite) — sedimentary

Iron-rich chert or jasper

Microcrystalline quartz (SiO₂), commonly colored by hematite/goethite

Red jasper (likely brecciated jasper) (Microcrystalline quartz/chalcedony (SiO₂) colored by iron oxides, with white quartz or calcite veining) — mineral

Red jasper (likely brecciated jasper)

Microcrystalline quartz/chalcedony (SiO₂) colored by iron oxides, with white quartz or calcite veining

Chert (Chalcedony) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Chalcedony)

Microcrystalline quartz (SiO2)

Carnelian (Carnelian (Chert/Chalcedony variety of Quartz, SiO2)) — mineral

Carnelian

Carnelian (Chert/Chalcedony variety of Quartz, SiO2)

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

Carnelian

Cryptocrystalline Quartz (SiO2 with Hematite impurities)

mineralish (variety of chalcedony)

Jasper (Red/Brown) (Microcrystalline Quartz (SiO2) with Iron Oxide inclusions) — sedimentary

Jasper (Red/Brown)

Microcrystalline Quartz (SiO2) with Iron Oxide inclusions

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Tumbled chalcedony (likely gray/pink chalcedony) (Chalcedony, microcrystalline quartz (SiO₂)) — mineral

Tumbled chalcedony (likely gray/pink chalcedony)

Chalcedony, microcrystalline quartz (SiO₂)

Jasper River Stone (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper River Stone

Silicon Dioxide (SiO2) with iron oxide inclusions

Jasper (Silicon Dioxide (SiO2)) — mineral

Jasper

Silicon Dioxide (SiO2)

Tumbled yellow jasper (likely silicified/iron-stained chert) (Microcrystalline quartz/chalcedony, SiO₂, colored by iron oxides and darker inclusions) — mineral

Tumbled yellow jasper (likely silicified/iron-stained chert)

Microcrystalline quartz/chalcedony, SiO₂, colored by iron oxides and darker inclusions

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

Red Jasper

Red Jasper (variety of Chalcedony, SiO₂)

Polished brown jasper (likely brecciated or orbicular jasper) (Microcrystalline quartz/chalcedony, SiO₂, colored by iron oxides and other inclusions) — mineral

Polished brown jasper (likely brecciated or orbicular jasper)

Microcrystalline quartz/chalcedony, SiO₂, colored by iron oxides and other inclusions

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

Chalcedony / Agate Pebble

Silicon Dioxide (SiO2)

Yellow Jasper (SiO2) — mineral

Yellow Jasper

SiO2

Tumbled carnelian agate (Microcrystalline quartz (chalcedony), SiO₂; iron-oxide colored) — mineral

Tumbled carnelian agate

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

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

Yellow Quartz / Chalcedony

Silicon Dioxide (SiO2)

Dalmatian Jasper (Peralkaline Quartz-Feldspar Rock with Arfvedsonite) — igneous

Dalmatian Jasper

Peralkaline Quartz-Feldspar Rock with Arfvedsonite

Polished bloodstone (heliotrope) (Chalcedony, microcrystalline quartz (SiO₂), colored by iron-oxide inclusions) — gemstone

Polished bloodstone (heliotrope)

Chalcedony, microcrystalline quartz (SiO₂), colored by iron-oxide inclusions

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

Chalcedony (River Stone)

Microcrystalline Quartz (SiO2)

Yellow Jasper (Silicon Dioxide (SiO2) with Iron Oxide impurities) — mineral

Yellow Jasper

Silicon Dioxide (SiO2) with Iron Oxide impurities

Iron-stained chalcedony (possible agate/jasper) (Microcrystalline quartz, SiO₂; chalcedony with iron-oxide staining) — mineral

Iron-stained chalcedony (possible agate/jasper)

Microcrystalline quartz, SiO₂; chalcedony with iron-oxide staining

Small orange-red tumbled gemstones, likely carnelian (Carnelian, a microcrystalline variety of quartz (SiO₂), typically colored by iron oxides) — gemstone

Small orange-red tumbled gemstones, likely carnelian

Carnelian, a microcrystalline variety of quartz (SiO₂), typically colored by iron oxides

Polished carnelian/chalcedony (Microcrystalline quartz (SiO₂), likely iron-stained chalcedony) — gemstone

Polished carnelian/chalcedony

Microcrystalline quartz (SiO₂), likely iron-stained chalcedony

Polished brecciated jasper (Jasper, an opaque microcrystalline variety of quartz (SiO₂), with iron-oxide and possibly chlorite inclusions) — mineral

Polished brecciated jasper

Jasper, an opaque microcrystalline variety of quartz (SiO₂), with iron-oxide and possibly chlorite inclusions

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

White Agate (Chalcedony)

Silicon Dioxide (SiO2)

Agate (Sliced and Carved) (Silicon Dioxide (SiO2) - Banded Chalcedony) — mineral

Agate (Sliced and Carved)

Silicon Dioxide (SiO2) - Banded Chalcedony

Tumbled jasper (possibly orbicular jasper) (Microcrystalline quartz, SiO₂; jasper is an opaque variety of chalcedony) — mineral

Tumbled jasper (possibly orbicular jasper)

Microcrystalline quartz, SiO₂; jasper is an opaque variety of chalcedony

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

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Tumbled yellow jasper (likely iron-stained chalcedony) (Jasper, microcrystalline quartz (SiO₂) with iron-oxide inclusions) — mineral

Tumbled yellow jasper (likely iron-stained chalcedony)

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

Botryoidal chalcedony (likely blue-gray agate) (Chalcedony, microcrystalline quartz (SiO₂), commonly with iron-oxide staining) — mineral

Botryoidal chalcedony (likely blue-gray agate)

Chalcedony, microcrystalline quartz (SiO₂), commonly with iron-oxide staining

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

Tumbled jasper or agate (Microcrystalline quartz (SiO₂), likely jasper/chalcedony) — mineral

Tumbled jasper or agate

Microcrystalline quartz (SiO₂), likely jasper/chalcedony

Polished carnelian (orange chalcedony), possibly with an included mineral fragment (Chalcedony, microcrystalline quartz (SiO₂), iron-colored variety) — gemstone

Polished carnelian (orange chalcedony), possibly with an included mineral fragment

Chalcedony, microcrystalline quartz (SiO₂), iron-colored variety

Agate (Silicon Dioxide (SiO2), microcrystalline variety of quartz) — sedimentary

Agate

Silicon Dioxide (SiO2), microcrystalline variety of quartz