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

Carnelian Agate (SiO2 (Silicon Dioxide) with Iron Oxide impurities) — mineral

Carnelian Agate

SiO2 (Silicon Dioxide) with Iron Oxide impurities

Blue Lace Agate (Polished Point) (Silicon Dioxide (SiO2)) — mineral

Blue Lace Agate (Polished Point)

Silicon Dioxide (SiO2)

Jasper River Pebble (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Jasper River Pebble

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Banded Agate (Agatized Geode Slice) (Silicon Dioxide (SiO₂)) — mineral

Banded Agate (Agatized Geode Slice)

Silicon Dioxide (SiO₂)

Chalcedony (Botryoidal/Agate nodule) (Microcrystalline Quartz (SiO2)) — mineral

Chalcedony (Botryoidal/Agate nodule)

Microcrystalline Quartz (SiO2)

Orange Quartz (or Tumbled Carnelian) (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Orange Quartz (or Tumbled Carnelian)

Silicon Dioxide (SiO2) with iron oxide inclusions

Chalcedony (specifically Blue Chalcedony or Common Opal variety) (Silicon Dioxide (SiO₂)) — mineral

Chalcedony (specifically Blue Chalcedony or Common Opal variety)

Silicon Dioxide (SiO₂)

Agate (Agate (Silicon Dioxide, SiO2)) — mineral

Agate

Agate (Silicon Dioxide, SiO2)

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

Chalcedony (Agate/Chert variety)

Silicon Dioxide (SiO2)

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Agate Geode (Silicon Dioxide (SiO2) - Chalcedony variety) — sedimentary

Agate Geode

Silicon Dioxide (SiO2) - Chalcedony variety

Banded Agate (Agate Slice) (Silicon Dioxide (SiO2) - Variety of Chalcedony) — mineral

Banded Agate (Agate Slice)

Silicon Dioxide (SiO2) - Variety of Chalcedony

Jasper (Chalcedony (Microcrystalline Quartz) - SiO2) — sedimentary or metamorphic

Jasper

Chalcedony (Microcrystalline Quartz) - SiO2

sedimentary or metamorphic

Green Jasper (Silicon Dioxide (SiO2) with impurities) — sedimentary

Green Jasper

Silicon Dioxide (SiO2) with impurities

Banded Agate (Silicon Dioxide (SiO2)) — mineral

Banded Agate

Silicon Dioxide (SiO2)

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

Jasper

Jasper (Silicon Dioxide, SiO2)

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

Jasper

Jasper (Silicon Dioxide, SiO2)

Jasper with Hematite (Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)) — sedimentary

Jasper with Hematite

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)

Jasper or Banded Chert (Silicon dioxide (SiO2) with impurities) — sedimentary

Jasper or Banded Chert

Silicon dioxide (SiO2) with impurities

Banded Agate (specifically Carnelian Agate) (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz) — mineral

Banded Agate (specifically Carnelian Agate)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Ocean Jasper (Spherulitic Chalcedony (SiO2)) — mineral

Ocean Jasper

Spherulitic Chalcedony (SiO2)

Gray Agate (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Gray Agate

Chalcedony (Silicon Dioxide, SiO2)

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

Tumbled brown stone, likely jasper or chert

Microcrystalline quartz (SiO₂), probably iron-stained jasper/chert

Tumbled carnelian/chalcedony (Cryptocrystalline quartz, SiO₂ (iron-bearing chalcedony)) — mineral

Tumbled carnelian/chalcedony

Cryptocrystalline quartz, SiO₂ (iron-bearing chalcedony)

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

Polished blue-banded agate slice (Agate (microcrystalline quartz, SiO₂; chiefly chalcedony)) — mineral

Polished blue-banded agate slice

Agate (microcrystalline quartz, SiO₂; chiefly chalcedony)

Yellow Chalcedony (Tumbled/Cabochon) (Silicon dioxide (SiO2)) — mineral

Yellow Chalcedony (Tumbled/Cabochon)

Silicon dioxide (SiO2)

Banded Calcite (often commercially called Onyx) (Calcite (Calcium Carbonate, CaCO3)) — mineral

Banded Calcite (often commercially called Onyx)

Calcite (Calcium Carbonate, CaCO3)

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

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Green Chalcedony (likely Chrysoprase or Green Onyx) (Silicon Dioxide (SiO2) with trace nickel or chromium inclusions) — mineral

Green Chalcedony (likely Chrysoprase or Green Onyx)

Silicon Dioxide (SiO2) with trace nickel or chromium inclusions

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

Chalcedony (Agate/Chert)

Silicon Dioxide (SiO2)

Tumbled Chalcedony (Quartz (Silicon Dioxide - SiO2)) — mineral

Tumbled Chalcedony

Quartz (Silicon Dioxide - SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Tumbled brown chalcedony (likely jasper or agate) (Microcrystalline quartz, SiO₂; chalcedony with iron-oxide staining) — mineral

Tumbled brown chalcedony (likely jasper or agate)

Microcrystalline quartz, SiO₂; chalcedony with iron-oxide staining

Chalcedony Pebble (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony Pebble

Cryptocrystalline Quartz (SiO2)

Jasper or Agate pendant (Silicon dioxide (SiO2)) — Mineral

Jasper or Agate pendant

Silicon dioxide (SiO2)

Orbicular jasper (likely ocean jasper) (Silica-rich microcrystalline quartz/chalcedony with iron-oxide and other mineral inclusions; commonly classified as orbicular jasper) — mineral

Orbicular jasper (likely ocean jasper)

Silica-rich microcrystalline quartz/chalcedony with iron-oxide and other mineral inclusions; commonly classified as orbicular jasper

Brecciated jasper/chert (Microcrystalline quartz (SiO₂), with iron-oxide and clay inclusions) — sedimentary

Brecciated jasper/chert

Microcrystalline quartz (SiO₂), with iron-oxide and clay inclusions

Agate (Silicon dioxide (Chalcedony), SiO2) — gemstone

Agate

Silicon dioxide (Chalcedony), SiO2

Agate (Silicon dioxide (Chalcedony), SiO2) — sedimentary

Agate

Silicon dioxide (Chalcedony), SiO2