Rock Identifier

Category

Man Made Object (Ring)

Browse man made object (ring) specimens identified by the Rock Identifier community.

Learn about Man Made Object (Ring) in the encyclopedia

Opalite

Eye Agate

Map Jasper

Goldstone

Blue Goldstone

Mandarin Garnet

Mandarin Garnet

Andalusite

Zincite

Bird's Eye Jasper

Phonolite

Marl

Cipollino Marble

Cipollino Marble

Jasper (Microcrystalline quartz ($SiO_2$)) — sedimentary

Jasper

Microcrystalline quartz ($SiO_2$)

Natural Pearl (Calcium carbonate (primarily Aragonite and Conchiolin), CaCO3) — mineral

Natural Pearl

Calcium carbonate (primarily Aragonite and Conchiolin), CaCO3

Man-made Jewelry (Metal and Glass/Plastic) (Synthetic Alloy and Amorphous Solid (SiO2/Polymer)) — not a rock

Man-made Jewelry (Metal and Glass/Plastic)

Synthetic Alloy and Amorphous Solid (SiO2/Polymer)

Jadeite Ring (Jadeite (NaAlSi2O6)) — gemstone

Jadeite Ring

Jadeite (NaAlSi2O6)

Malachite (Malachite (Cu2CO3(OH)2)) — mineral

Malachite

Malachite (Cu2CO3(OH)2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Pearl (Biogenic Calcium Carbonate (Aragonite/Calcite), CaCO3) — mineral

Pearl

Biogenic Calcium Carbonate (Aragonite/Calcite), CaCO3

Blue chalcedony cabochon (probable) (Chalcedony, a cryptocrystalline variety of quartz; silicon dioxide, SiO₂) — gemstone

Blue chalcedony cabochon (probable)

Chalcedony, a cryptocrystalline variety of quartz; silicon dioxide, SiO₂

Jasper / Chert (Red) (Cryptocrystalline quartz (SiO2)) — Sedimentary / Mineral

Jasper / Chert (Red)

Cryptocrystalline quartz (SiO2)

Sedimentary / Mineral

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

Agate

Silicon Dioxide (Chalcedony), SiO2

Granodiorite (Granodiorite) — igneous

Granodiorite

Granodiorite

Carnelian (Silicon Dioxide (Chalcedony variety), SiO2) — gemstone

Carnelian

Silicon Dioxide (Chalcedony variety), SiO2

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

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Unknown White Specimen (Unidentifiable due to blurriness) — mineral

Unknown White Specimen

Unidentifiable due to blurriness

Dyed Dragon Vein Agate (Silicon Dioxide (SiO2) with artificial pigment) — mineral

Dyed Dragon Vein Agate

Silicon Dioxide (SiO2) with artificial pigment

Dyed Crackle Quartz (Silicon Dioxide (SiO2) with synthetic dye) — mineral

Dyed Crackle Quartz

Silicon Dioxide (SiO2) with synthetic dye

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Diamond (as featured in jewelry) (Diamond (C - pure carbon)) — mineral

Diamond (as featured in jewelry)

Diamond (C - pure carbon)

Libyan Desert Glass (Impact-melt silica glass (SiO2 + traces of Al, Fe, Ti)) — mineral (Tektite/Impactite)

Libyan Desert Glass

Impact-melt silica glass (SiO2 + traces of Al, Fe, Ti)

mineral (Tektite/Impactite)

Petoskey Stone (Hexagonaria percarinata) — fossil

Petoskey Stone

Hexagonaria percarinata

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

Tiger's Eye

Silicified Crocidolite Pseudomorph (SiO2 with iron oxides)

Peridot (Olivine ((Mg,Fe)2SiO4)) — mineral

Peridot

Olivine ((Mg,Fe)2SiO4)

Diamond (Diamond (pure native carbon, C)) — mineral

Diamond

Diamond (pure native carbon, C)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Mystic Topaz (Treated Quartz or Topaz) (Silicate Mineral (SiO2 or Al2SiO4(F,OH)2) with Titanium coating) — gemstone

Mystic Topaz (Treated Quartz or Topaz)

Silicate Mineral (SiO2 or Al2SiO4(F,OH)2) with Titanium coating

Amazonite (KAlSi3O8 (Potassium Aluminum Silicate)) — mineral

Amazonite

KAlSi3O8 (Potassium Aluminum Silicate)

Petrified Wood (Silicified wood (Quartz, SiO2)) — fossil

Petrified Wood

Silicified wood (Quartz, SiO2)

Green Aventurine (Quartz (SiO2) with Fuchsite inclusions) — Mineral

Green Aventurine

Quartz (SiO2) with Fuchsite inclusions

N/A (Non-Geological Object) — N/A

N/A (Non-Geological Object)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Rutilated Quartz (Quartz with Rutile inclusions (SiO2 with TiO2)) — mineral

Rutilated Quartz

Quartz with Rutile inclusions (SiO2 with TiO2)

Chrysoprase (Silicon Dioxide (Chalcedony variety), SiO2) — gemstone

Chrysoprase

Silicon Dioxide (Chalcedony variety), SiO2

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Carnelian Agate (Silicon Dioxide (Chalcedony variety), SiO2) — gemstone

Carnelian Agate

Silicon Dioxide (Chalcedony variety), SiO2

Chert (Arrowhead/Artifact Fragment) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Arrowhead/Artifact Fragment)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Blue Goldstone (Aventurine Glass) — Man-made mineral simulant (Glass)

Blue Goldstone

Aventurine Glass

Man-made mineral simulant (Glass)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Smoky Quartz (Faceted) (Silicon Dioxide (SiO2)) — gemstone

Smoky Quartz (Faceted)

Silicon Dioxide (SiO2)

Pearl (Calcium Carbonate (CaCO3) with Conchiolin) — mineral

Pearl

Calcium Carbonate (CaCO3) with Conchiolin

Black Onyx (Silicon Dioxide (SiO2) with carbon impurities) — mineral

Black Onyx

Silicon Dioxide (SiO2) with carbon impurities