Rock Identifier

Category

Mineral (Variety Of Chalcedony)

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

Learn about Mineral (Variety Of Chalcedony) in the encyclopedia

Blue Chalcedony

Blue Chalcedony

Brookite

Agate

Prase

Chrysoprase

Sard

Blue Lace Agate

Blue Lace Agate

Carnelian

Blue Jasper

Jasper

Plume Agate

Sagenite Agate

$Tumbled brecciated jasper (Microcrystalline quartz (SiO₂), likely jasper with contrasting mineral or silica-filled fractures) — mineral$

Tumbled brecciated jasper

Microcrystalline quartz (SiO₂), likely jasper with contrasting mineral or silica-filled fractures

Polished green jasper (likely) (Jasper, an opaque microcrystalline variety of quartz (SiO₂); exact variety cannot be confirmed from the photo) — gemstone

Polished green jasper (likely)

Jasper, an opaque microcrystalline variety of quartz (SiO₂); exact variety cannot be confirmed from the photo

Brown agate (chalcedony) (Microcrystalline quartz, SiO₂; likely iron-stained chalcedony) — mineral

Brown agate (chalcedony)

Microcrystalline quartz, SiO₂; likely iron-stained chalcedony

Tumbled jasper, likely picture jasper or brecciated jasper (Microcrystalline quartz (SiO₂), chiefly chalcedony with iron-oxide pigments) — mineral

Tumbled jasper, likely picture jasper or brecciated jasper

Microcrystalline quartz (SiO₂), chiefly chalcedony with iron-oxide pigments

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

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

Chalcedony (Agate/Chert variety)

Silicon Dioxide (SiO2)

Tumbled jasper (likely) (Microcrystalline quartz (SiO₂), commonly colored by iron oxides) — mineral

Tumbled jasper (likely)

Microcrystalline quartz (SiO₂), commonly colored by iron oxides

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

Tumbled jasper (likely brecciated or mahogany jasper)

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

Polished carnelian agate (Chalcedony, microcrystalline quartz (SiO₂), with iron-oxide color bands) — mineral

Polished carnelian agate

Chalcedony, microcrystalline quartz (SiO₂), with iron-oxide color bands

Orange carnelian (possibly dyed agate) pendant (Cryptocrystalline quartz (chalcedony), SiO₂) — gemstone

Orange carnelian (possibly dyed agate) pendant

Cryptocrystalline quartz (chalcedony), SiO₂

Red jasper pebble (likely) (Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored by iron oxides) — mineral

Red jasper pebble (likely)

Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored by iron oxides

Tumbled orange carnelian (likely) (Chalcedony, microcrystalline quartz (SiO₂)) — gemstone

Tumbled orange carnelian (likely)

Chalcedony, microcrystalline quartz (SiO₂)

Polished jasper pebble (Microcrystalline quartz (chalcedony), SiO₂, with iron-oxide inclusions) — mineral

Polished jasper pebble

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

Tumbled jasper (Microcrystalline quartz (chalcedony), chiefly SiO₂, colored by iron oxides and other impurities) — mineral

Tumbled jasper

Microcrystalline quartz (chalcedony), chiefly SiO₂, colored by iron oxides and other impurities

Chalcedony (Agate/Carnelian) (Cryptocrystalline Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate/Carnelian)

Cryptocrystalline Silicon Dioxide (SiO2)

Tumbled brown jasper or chalcedony (Microcrystalline quartz (SiO₂), likely iron-stained jasper/chalcedony) — mineral

Tumbled brown jasper or chalcedony

Microcrystalline quartz (SiO₂), likely iron-stained jasper/chalcedony

Polished jasper pebble (Jasper, microcrystalline quartz (SiO₂) with iron-oxide inclusions) — mineral

Polished jasper pebble

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

Brecciated jasper (Jasper (microcrystalline quartz, SiO₂), likely iron-oxide-rich breccia) — sedimentary

Brecciated jasper

Jasper (microcrystalline quartz, SiO₂), likely iron-oxide-rich breccia

Yellow Chalcedony (Silicon Dioxide (SiO2)) — mineral

Yellow Chalcedony

Silicon Dioxide (SiO2)

Tumbled blue chalcedony (Chalcedony, microcrystalline quartz (SiO₂)) — mineral

Tumbled blue chalcedony

Chalcedony, microcrystalline quartz (SiO₂)

Agate (Chalcedony (SiO2)) — mineral

Agate

Chalcedony (SiO2)

Lake Superior Agate (SiO2 (Quartz variety chalcedony)) — gemstone

Lake Superior Agate

SiO2 (Quartz variety chalcedony)

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2)) — mineral

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Chalcedony (Chalcedony (SiO2)) — mineral

Chalcedony

Chalcedony (SiO2)

Yellow Agate (Silicon Dioxide (SiO2)) — mineral

Yellow Agate

Silicon Dioxide (SiO2)

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

White Agate (Chalcedony)

Chalcedony (SiO2)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Weathered agate or chalcedony nodule (Microcrystalline quartz (SiO₂), likely chalcedony/agate) — mineral

Weathered agate or chalcedony nodule

Microcrystalline quartz (SiO₂), likely chalcedony/agate

Yellow-orange chalcedony (possibly carnelian) (Microcrystalline quartz, SiO₂; orange coloration commonly from iron oxides) — mineral

Yellow-orange chalcedony (possibly carnelian)

Microcrystalline quartz, SiO₂; orange coloration commonly from iron oxides

Tumbled amber-colored agate or chalcedony (Microcrystalline quartz (SiO₂), likely iron-stained chalcedony/agate) — mineral

Tumbled amber-colored agate or chalcedony

Microcrystalline quartz (SiO₂), likely iron-stained chalcedony/agate

Tumbled gray-blue agate/chalcedony (Microcrystalline quartz (SiO₂), likely banded chalcedony or agate) — mineral

Tumbled gray-blue agate/chalcedony

Microcrystalline quartz (SiO₂), likely banded chalcedony or agate

Tumbled carnelian/chalcedony (Chalcedony (microcrystalline quartz), SiO₂; reddish color from iron oxides) — mineral

Tumbled carnelian/chalcedony

Chalcedony (microcrystalline quartz), SiO₂; reddish color from iron oxides

Tumbled agate or chalcedony (Microcrystalline quartz (SiO₂), likely agate/chalcedony with green inclusions) — gemstone

Tumbled agate or chalcedony

Microcrystalline quartz (SiO₂), likely agate/chalcedony with green inclusions

Quartz with Chalcedony (Silicon Dioxide (SiO2)) — mineral

Quartz with Chalcedony

Silicon Dioxide (SiO2)

Bloodstone (Chalcedony (Variety Heliotrope), SiO2) — mineral

Bloodstone

Chalcedony (Variety Heliotrope), SiO2

Lake Superior Agate (Silicon Dioxide (Chalcedony variety)) — gemstone

Lake Superior Agate

Silicon Dioxide (Chalcedony variety)

Yellow jasper (likely iron-stained chalcedony) (Microcrystalline quartz, SiO₂, commonly colored by iron oxides/hydroxides) — mineral

Yellow jasper (likely iron-stained chalcedony)

Microcrystalline quartz, SiO₂, commonly colored by iron oxides/hydroxides

Honey-colored chalcedony (rough agate/chert) (Microcrystalline quartz, SiO₂; likely chalcedony with iron-oxide staining) — mineral

Honey-colored chalcedony (rough agate/chert)

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

Polished agate slab (likely moss or plume agate) (Microcrystalline quartz, SiO₂; chalcedony with possible iron-oxide inclusions) — mineral

Polished agate slab (likely moss or plume agate)

Microcrystalline quartz, SiO₂; chalcedony with possible iron-oxide inclusions

Polished jasper pebble (possibly orbicular jasper) (Microcrystalline quartz (SiO₂), likely jasper; exact variety cannot be confirmed visually) — igneous

Polished jasper pebble (possibly orbicular jasper)

Microcrystalline quartz (SiO₂), likely jasper; exact variety cannot be confirmed visually

Likely banded agate (rough chalcedony) (Chalcedony, microcrystalline quartz (SiO₂)) — mineral

Likely banded agate (rough chalcedony)

Chalcedony, microcrystalline quartz (SiO₂)