Rock Identifier

Category

Sedimentary (Silicified Fossiliferous Chalcedony)

Browse sedimentary (silicified fossiliferous chalcedony) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Silicified Fossiliferous Chalcedony) in the encyclopedia

Fossiliferous Limestone

Fossiliferous Limestone

Chalcedony

Chrome Chalcedony

Chrome Chalcedony

Blue Chalcedony

Blue Chalcedony

Silcrete

Opalized Wood

Shelly Limestone

Shelly Limestone

Petrified Wood

Conglomerate

Gem Silica

Mookaite

Chrysoprase

Crinoid Stem Fossil (St John's Bead) (Crinoidea (Class)) — fossil

Crinoid Stem Fossil (St John's Bead)

Crinoidea (Class)

Elephant Molar Fragment (Fossil) (Proboscidea (Elephantidae) molar fragment) — fossil

Elephant Molar Fragment (Fossil)

Proboscidea (Elephantidae) molar fragment

Crinoid Stem Fossil (Class Crinoidea (Echinodermata)) — fossil

Crinoid Stem Fossil

Class Crinoidea (Echinodermata)

Crinoid Stem Segment Fossil (Crinoidea (columnal ossicle)) — fossil

Crinoid Stem Segment Fossil

Crinoidea (columnal ossicle)

Crinoid Stem Fossil (Crinoidea (Class)) — fossil

Crinoid Stem Fossil

Crinoidea (Class)

Rough Chalcedony / Jasper Agate Nodule (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Rough Chalcedony / Jasper Agate Nodule

Silicon Dioxide (SiO2) - Microcrystalline Quartz

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

Quartz Pebble (Chert/Chalcedony Gravel)

Microcrystalline Quartz (SiO2)

Yellow Jasper (Chalcedony (SiO2) with iron oxide inclusions) — mineral

Yellow Jasper

Chalcedony (SiO2) with iron oxide inclusions

Quartz Pebble (Iron-stained Chalcedony / Chert) (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble (Iron-stained Chalcedony / Chert)

Silicon Dioxide (SiO2)

Quartz (Chert/Chalcedony variant) (Silicon dioxide (SiO2)) — mineral

Quartz (Chert/Chalcedony variant)

Silicon dioxide (SiO2)

Dendritic Opal (Common Opal) (Amorphous Hydrated Silica (SiO2·nH2O) with Manganese or Iron Oxide inclusions) — mineral

Dendritic Opal (Common Opal)

Amorphous Hydrated Silica (SiO2·nH2O) with Manganese or Iron Oxide inclusions

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

Chalcedony (Agate/Chert)

Silicon Dioxide (SiO₂)

Carnelian (a variety of Chalcedony) (Cryptocrystalline Quartz (SiO2) with iron oxide inclusions) — Mineral

Carnelian (a variety of Chalcedony)

Cryptocrystalline Quartz (SiO2) with iron oxide inclusions

Chrysoprase (Chalcedony (SiO2)) — gemstone

Chrysoprase

Chalcedony (SiO2)

Black Onyx (Chalcedony (SiO2)) — gemstone

Black Onyx

Chalcedony (SiO2)

Blue Agate (Chalcedony (SiO2)) — gemstone

Blue Agate

Chalcedony (SiO2)

Black Onyx (Chalcedony (SiO2)) — gemstone

Black Onyx

Chalcedony (SiO2)

Tree Agate (Chalcedony (SiO2)) — gemstone

Tree Agate

Chalcedony (SiO2)

Black Agate (Chalcedony (SiO2)) — mineral

Black Agate

Chalcedony (SiO2)

Fire Agate (Chalcedony (SiO2)) — gemstone

Fire Agate

Chalcedony (SiO2)

Crazy Lace Agate (Chalcedony (SiO2)) — mineral

Crazy Lace Agate

Chalcedony (SiO2)

Agate (Chalcedony (SiO2)) — mineral

Agate

Chalcedony (SiO2)

Jasper (Chalcedony (SiO2)) — mineral

Jasper

Chalcedony (SiO2)

Blue Lace Agate (Chalcedony (SiO2)) — mineral

Blue Lace Agate

Chalcedony (SiO2)

Bloodstone (Heliotrope (Chalcedony)) — mineral

Bloodstone

Heliotrope (Chalcedony)

Agate (Chalcedony (SiO2)) — mineral

Agate

Chalcedony (SiO2)

Blue Chalcedony (Chalcedony (SiO2)) — mineral

Blue Chalcedony

Chalcedony (SiO2)

Crazy Lace Agate (Chalcedony (SiO2)) — Mineral

Crazy Lace Agate

Chalcedony (SiO2)

Agate slice (Chalcedony (SiO2)) — mineral

Agate slice

Chalcedony (SiO2)

Carnelian (Chalcedony (SiO₂)) — mineral

Carnelian

Chalcedony (SiO₂)

Crazy Lace Agate (Chalcedony (SiO2)) — mineral

Crazy Lace Agate

Chalcedony (SiO2)

Bloodstone (Heliotrope (Chalcedony)) — mineral

Bloodstone

Heliotrope (Chalcedony)

Pyrite Geode (Sparkling Druzy) (Iron Sulfide (FeS2) in Sedimentary Nodule) — mineral

Pyrite Geode (Sparkling Druzy)

Iron Sulfide (FeS2) in Sedimentary Nodule

Yellow Jasper (Silicon Dioxide (SiO2)) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2)

Jasper-Agate Breccia (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper-Agate Breccia

Silicon Dioxide (SiO2) with iron oxide inclusions

Green Banded Calcite (Calcite (Calcium Carbonate, CaCO3)) — mineral

Green Banded Calcite

Calcite (Calcium Carbonate, CaCO3)

Iron-stained quartz-rich rock, possibly jasper or chert (Microcrystalline quartz (SiO₂) with iron oxides/hydroxides) — mineral

Iron-stained quartz-rich rock, possibly jasper or chert

Microcrystalline quartz (SiO₂) with iron oxides/hydroxides

Polished/tumbled jasper (Jasper, microcrystalline quartz (SiO₂) with iron-oxide and other mineral impurities) — mineral

Polished/tumbled jasper

Jasper, microcrystalline quartz (SiO₂) with iron-oxide and other mineral impurities

Tiger's Eye (Silicified Crocidolite Pseudomorph (SiO2 with iron oxides)) — gemstone

Tiger's Eye

Silicified Crocidolite Pseudomorph (SiO2 with iron oxides)

Tiger Diamond / Hematite-infused Quartzite (Silicified Hematite-Rich Quartzite (SiO2 + Fe2O3)) — metamorphic

Tiger Diamond / Hematite-infused Quartzite

Silicified Hematite-Rich Quartzite (SiO2 + Fe2O3)

Red Tiger's Eye (Silicified Crocidolite (SiO2 with iron oxide inclusions)) — metamorphic

Red Tiger's Eye

Silicified Crocidolite (SiO2 with iron oxide inclusions)

Petrified Wood (Silicified wood (primarily SiO2 - Silicon Dioxide)) — mineral

Petrified Wood

Silicified wood (primarily SiO2 - Silicon Dioxide)