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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

Moss Agate (Chalcedony (SiO2) with inclusions of manganese or iron oxide) — mineral

Moss Agate

Chalcedony (SiO2) with inclusions of manganese or iron oxide

Polished moss agate (Moss agate, a variety of chalcedony (microcrystalline quartz, SiO₂)) — gemstone

Polished moss agate

Moss agate, a variety of chalcedony (microcrystalline quartz, SiO₂)

Jasper / Chert (Lake Superior Agate or similar chalcedony nodule) (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper / Chert (Lake Superior Agate or similar chalcedony nodule)

Microcrystalline Quartz (SiO2)

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

Jasper / Chert (Tumbled)

Microcrystalline Quartz (SiO2)

Chalcedony (Agate/Carnelian variety) (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony (Agate/Carnelian variety)

Cryptocrystalline Quartz (SiO2)

Yellow agate (likely dyed chalcedony) pendant (Chalcedony, microcrystalline quartz (SiO₂)) — gemstone

Yellow agate (likely dyed chalcedony) pendant

Chalcedony, microcrystalline quartz (SiO₂)

Chalcedony (rough) (Microcrystalline quartz, SiO₂; likely gray chalcedony with iron-oxide staining) — mineral

Chalcedony (rough)

Microcrystalline quartz, SiO₂; likely gray chalcedony with iron-oxide staining

Polished jasper (likely brecciated or scenic jasper) (Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide and other mineral inclusions) — gemstone

Polished jasper (likely brecciated or scenic jasper)

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

Polished carnelian agate (Microcrystalline quartz, SiO₂, commonly chalcedony with iron-oxide coloring) — mineral

Polished carnelian agate

Microcrystalline quartz, SiO₂, commonly chalcedony with iron-oxide coloring

Tumbled brown agate (Chalcedony (microcrystalline quartz), SiO₂, with iron-oxide coloration) — mineral

Tumbled brown agate

Chalcedony (microcrystalline quartz), SiO₂, with iron-oxide coloration

Tumbled brown jasper (likely iron-rich chalcedony) (Jasper, opaque microcrystalline quartz (SiO₂), commonly colored by iron oxides) — mineral

Tumbled brown jasper (likely iron-rich chalcedony)

Jasper, opaque microcrystalline quartz (SiO₂), commonly colored by iron oxides

Tumbled chalcedony and agate (Microcrystalline quartz (SiO₂), chiefly chalcedony with possible quartz/agate banding) — mineral

Tumbled chalcedony and agate

Microcrystalline quartz (SiO₂), chiefly chalcedony with possible quartz/agate banding

Tumbled orange-and-white chalcedony (likely carnelian or orange agate) (Microcrystalline quartz, SiO₂; chalcedony variety, possibly iron-colored carnelian) — mineral

Tumbled orange-and-white chalcedony (likely carnelian or orange agate)

Microcrystalline quartz, SiO₂; chalcedony variety, possibly iron-colored carnelian

Red Jasper (Chalcedony/Quartz (SiO2) with iron inclusions) — mineral

Red Jasper

Chalcedony/Quartz (SiO2) with iron inclusions

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

Chalcedony (Agate / Moss Agate)

Silicon Dioxide (SiO2)

Likely botryoidal chalcedony (possibly ocean jasper) (Microcrystalline quartz, SiO₂; botryoidal variety) — mineral

Likely botryoidal chalcedony (possibly ocean jasper)

Microcrystalline quartz, SiO₂; botryoidal variety

Banded agate (likely carnelian/chalcedony) (Microcrystalline quartz, SiO₂; chalcedony with iron-oxide coloration) — mineral

Banded agate (likely carnelian/chalcedony)

Microcrystalline quartz, SiO₂; chalcedony with iron-oxide coloration

Tumbled blue chalcedony (probable) (Chalcedony, microcrystalline quartz (SiO₂), possibly blue quartz or dyed chalcedony) — mineral

Tumbled blue chalcedony (probable)

Chalcedony, microcrystalline quartz (SiO₂), possibly blue quartz or dyed chalcedony

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

Banded agate (chalcedony)

Microcrystalline quartz, SiO₂; agate variety of chalcedony

Tumbled red jasper (Jasper, microcrystalline quartz (SiO₂) colored by iron oxides) — mineral

Tumbled red jasper

Jasper, microcrystalline quartz (SiO₂) colored by iron oxides

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

Jasper

Jasper (Silicon Dioxide, SiO2)

Tumbled quartz varieties (Quartz (SiO₂), likely milky quartz and/or chalcedony) — mineral

Tumbled quartz varieties

Quartz (SiO₂), likely milky quartz and/or chalcedony

Blue Lace Agate (Banded Chalcedony (Silica/Quartz), SiO₂) — mineral

Blue Lace Agate

Banded Chalcedony (Silica/Quartz), SiO₂

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

Orange Quartz (Ferruginous Quartz)

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Lake Superior Agate (Quartz (Variety: Agate, SiO2)) — mineral

Lake Superior Agate

Quartz (Variety: Agate, SiO2)

Yellow Jasper (Silicon Dioxide (SiO2) - Chalcedony variety) — mineral

Yellow Jasper

Silicon Dioxide (SiO2) - Chalcedony variety

Carnelian (orange chalcedony) (Microcrystalline quartz, SiO₂; chalcedony colored mainly by iron oxides) — gemstone

Carnelian (orange chalcedony)

Microcrystalline quartz, SiO₂; chalcedony colored mainly by iron oxides

Agate (Grey Agate Slice) (Microcrystalline Quartz (SiO2)) — mineral

Agate (Grey Agate Slice)

Microcrystalline Quartz (SiO2)

Red Jasper (Silicon dioxide (SiO2) with iron oxide inclusions) — sedimentary

Red Jasper

Silicon dioxide (SiO2) with iron oxide inclusions

Orange chalcedony (possibly carnelian) (Microcrystalline quartz, SiO₂; iron-bearing chalcedony) — mineral

Orange chalcedony (possibly carnelian)

Microcrystalline quartz, SiO₂; iron-bearing chalcedony

Tumbled red jasper (probable) (Jasper, microcrystalline quartz (SiO₂), colored mainly by iron oxides) — mineral

Tumbled red jasper (probable)

Jasper, microcrystalline quartz (SiO₂), colored mainly by iron oxides

Tumbled jasper (Microcrystalline quartz (SiO₂), commonly iron-rich jasper) — mineral

Tumbled jasper

Microcrystalline quartz (SiO₂), commonly iron-rich jasper

Polished orbicular jasper (likely leopard-skin or brecciated jasper) (Microcrystalline quartz (SiO₂), with iron-oxide and other mineral inclusions; exact variety cannot be confirmed from the photo) — metamorphic

Polished orbicular jasper (likely leopard-skin or brecciated jasper)

Microcrystalline quartz (SiO₂), with iron-oxide and other mineral inclusions; exact variety cannot be confirmed from the photo

Yellow Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Yellow Jasper

Microcrystalline Quartz (SiO2)

Banded agate (likely polished/tumbled) (Agate, a microcrystalline variety of quartz; SiO₂) — mineral

Banded agate (likely polished/tumbled)

Agate, a microcrystalline variety of quartz; SiO₂

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

Tumbled jasper pebble (likely ocean jasper or brecciated jasper)

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

Tumbled orange jasper/quartzite pebble (Jasper, microcrystalline quartz (SiO₂), likely iron-oxide colored) — metamorphic

Tumbled orange jasper/quartzite pebble

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

Chrysoprase (Chalcedony (cryptocrystalline SiO2 variety)) — Mineral

Chrysoprase

Chalcedony (cryptocrystalline SiO2 variety)

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

Carnelian

Carnelian (Chert/Chalcedony variety of Quartz, SiO2)

White Jade / White Chalcedony (Nephrite Jade (Ca2(Mg,Fe)5Si8O22(OH)2) or Chalcedony (SiO2)) — Mineral

White Jade / White Chalcedony

Nephrite Jade (Ca2(Mg,Fe)5Si8O22(OH)2) or Chalcedony (SiO2)

Tumbled jasper/chert, possibly brecciated jasper (Microcrystalline quartz (SiO₂), with iron-oxide staining and possible chalcedony) — mineral

Tumbled jasper/chert, possibly brecciated jasper

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

Tumbled brown jasper (Jasper, microcrystalline quartz (SiO₂), commonly colored by iron oxides) — mineral

Tumbled brown jasper

Jasper, microcrystalline quartz (SiO₂), commonly colored by iron oxides