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

Carnelian ring (Carnelian, a red-orange variety of chalcedony (microcrystalline quartz, SiO₂)) — gemstone

Carnelian ring

Carnelian, a red-orange variety of chalcedony (microcrystalline quartz, SiO₂)

Moonstone ring (Moonstone, a feldspar variety (typically orthoclase or adularia; KAlSi₃O₈)) — gemstone

Moonstone ring

Moonstone, a feldspar variety (typically orthoclase or adularia; KAlSi₃O₈)

Turquoise ring (Turquoise, hydrated copper–aluminum phosphate (CuAl₆(PO₄)₄(OH)₈·4H₂O)) — gemstone

Turquoise ring

Turquoise, hydrated copper–aluminum phosphate (CuAl₆(PO₄)₄(OH)₈·4H₂O)

Diamond ring (Diamond, crystalline carbon (C), likely colorless or near-colorless brilliant-cut stones set in gold) — gemstone

Diamond ring

Diamond, crystalline carbon (C), likely colorless or near-colorless brilliant-cut stones set in gold

Diamond ring (Diamond (crystalline carbon, C)) — gemstone

Diamond ring

Diamond (crystalline carbon, C)

Diamond ring (Diamond (crystalline carbon, C)) — gemstone

Diamond ring

Diamond (crystalline carbon, C)

Diamond ring (Diamond (crystalline carbon, C)) — gemstone

Diamond ring

Diamond (crystalline carbon, C)

Gemstone Ring (Various (Likely Glass, Cubic Zirconia, or assorted semi-precious stones)) — gemstone

Gemstone Ring

Various (Likely Glass, Cubic Zirconia, or assorted semi-precious stones)

Sapphire in a ring (Corundum (Al2O3)) — mineral

Sapphire in a ring

Corundum (Al2O3)

Diamond (in a jewelry setting) (Cubic Carbon (C)) — mineral

Diamond (in a jewelry setting)

Cubic Carbon (C)

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

Carnelian

Silicon Dioxide (Chalcedony variety), SiO2

Pumice (Pumice (Vesicular Rhyolite/Andesite)) — igneous

Pumice

Pumice (Vesicular Rhyolite/Andesite)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Cullet Glass (Man-made Glass Slag) (Amorphous Silica (SiO2) with chemical additives) — Mineraloid

Cullet Glass (Man-made Glass Slag)

Amorphous Silica (SiO2) with chemical additives

N/A (Non-Geological Object) — N/A

N/A (Non-Geological Object)

Jasper with Quartz Vein (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper with Quartz Vein

Microcrystalline Quartz (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Granodiorite (Granodiorite) — igneous

Granodiorite

Granodiorite

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

Petrified Wood

Silicified wood (Quartz, SiO2)

Goldstone (likely blue-free synthetic goldstone pendant) (Synthetic aventurine glass; silica glass with dispersed metallic copper crystals) — mineral

Goldstone (likely blue-free synthetic goldstone pendant)

Synthetic aventurine glass; silica glass with dispersed metallic copper crystals

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 (Cut Gemstone) (Natural Carbon (C)) — gemstone

Diamond (Cut Gemstone)

Natural Carbon (C)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Cobalt Glass Slug (Man-made Glass) (Amorphous Silica with Cobalt Oxide (SiO2 + CoO)) — mineraloid

Cobalt Glass Slug (Man-made Glass)

Amorphous Silica with Cobalt Oxide (SiO2 + CoO)

Diamond (Diamond (Pure Carbon, C)) — mineral

Diamond

Diamond (Pure Carbon, C)

Likely fossilized coral with polished blue calcite or aragonite specimen (Fossil coral, commonly Scleractinia; blue material likely dyed or treated calcite/aragonite) — fossil

Likely fossilized coral with polished blue calcite or aragonite specimen

Fossil coral, commonly Scleractinia; blue material likely dyed or treated calcite/aragonite

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

Jasper / Chert (Red)

Cryptocrystalline quartz (SiO2)

Sedimentary / Mineral

Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Faceted pale pink gemstone ring, likely morganite or rose quartz (Morganite: pink beryl, Be₃Al₂Si₆O₁₈; alternatively quartz, SiO₂) — gemstone

Faceted pale pink gemstone ring, likely morganite or rose quartz

Morganite: pink beryl, Be₃Al₂Si₆O₁₈; alternatively quartz, SiO₂

Eye Agate Ring (Silicon Dioxide (Chalcedony variety Agate), SiO2) — gemstone

Eye Agate Ring

Silicon Dioxide (Chalcedony variety Agate), SiO2

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

Jasper

Microcrystalline quartz ($SiO_2$)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Polished agate bracelet (likely gray chalcedony) (Microcrystalline quartz, SiO₂; chalcedony/agate variety) — gemstone

Polished agate bracelet (likely gray chalcedony)

Microcrystalline quartz, SiO₂; chalcedony/agate variety

Carnelian (Carnelian, orange-red variety of chalcedony (microcrystalline quartz, SiO₂)) — gemstone

Carnelian

Carnelian, orange-red variety of chalcedony (microcrystalline quartz, SiO₂)

Chert or silicified sedimentary fragment (tentative) (Microcrystalline quartz (SiO₂), possibly silicified limestone or fossil-bearing chert) — sedimentary

Chert or silicified sedimentary fragment (tentative)

Microcrystalline quartz (SiO₂), possibly silicified limestone or fossil-bearing chert

Diamond (Natural Diamond (Carbon, C)) — gemstone

Diamond

Natural Diamond (Carbon, C)

Tumbled brown chalcedony or jasper (Microcrystalline quartz, SiO₂; possibly iron-bearing jasper) — mineral

Tumbled brown chalcedony or jasper

Microcrystalline quartz, SiO₂; possibly iron-bearing jasper

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

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Likely weathered petrified wood (Silicified wood, chiefly microcrystalline quartz (SiO₂) replacing wood tissue) — fossil

Likely weathered petrified wood

Silicified wood, chiefly microcrystalline quartz (SiO₂) replacing wood tissue