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

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

Agate (Carnelian / Chalcedony)

Silicon Dioxide (SiO2)

Red Jasper (Silicon dioxide with iron impurities (SiO2)) — sedimentary

Red Jasper

Silicon dioxide with iron impurities (SiO2)

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

Carnelian

Silicon Dioxide (Chalcedony variety), SiO2

Carnelian (Quartz (Variety: Chalcedony, SiO2)) — gemstone

Carnelian

Quartz (Variety: Chalcedony, SiO2)

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)

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

Carnelian

Silicon Dioxide (Chalcedony variety), SiO2

Citrine (Tumbled Quartz) (Silicon Dioxide (SiO2)) — mineral

Citrine (Tumbled Quartz)

Silicon Dioxide (SiO2)

Red Agate (Carnelian) (Silicon Dioxide (SiO2)) — gemstone

Red Agate (Carnelian)

Silicon Dioxide (SiO2)

Amethyst (Silicon dioxide with iron impurities (SiO2 + Fe3+)) — mineral

Amethyst

Silicon dioxide with iron impurities (SiO2 + Fe3+)

Pink Sapphire (Corundum) (Aluminum Oxide (Al2O3) with Chromium/Iron impurities) — gemstone

Pink Sapphire (Corundum)

Aluminum Oxide (Al2O3) with Chromium/Iron impurities

Diamond (Native Carbon (C)) — gemstone

Diamond

Native Carbon (C)

Orange Sapphire (Corundum (Al2O3 with trace elements)) — gemstone

Orange Sapphire

Corundum (Al2O3 with trace elements)

Citrine Quartz (or Heat-Treated Amethyst / Smoky Quartz) (Silicon Dioxide (SiO2)) — gemstone

Citrine Quartz (or Heat-Treated Amethyst / Smoky Quartz)

Silicon Dioxide (SiO2)

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

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Diamond (Princess Cut) (Carbon (C)) — gemstone

Diamond (Princess Cut)

Carbon (C)

Emerald (Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)) — gemstone

Emerald

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)

Quartz Druzy (Silicon Dioxide (SiO2)) — mineral

Quartz Druzy

Silicon Dioxide (SiO2)

Diamond (Faceted) (Diamond (Pure Carbon, C)) — gemstone

Diamond (Faceted)

Diamond (Pure Carbon, C)

Diamond (Set in Jewelry) (Carbon (C)) — gemstone

Diamond (Set in Jewelry)

Carbon (C)

Moonstone (Orthoclase (KAlSi3O8) with Albite inclusions) — mineral

Moonstone

Orthoclase (KAlSi3O8) with Albite inclusions

Carnelian (Tumbled) (Carnelian (SiO2 with Iron Oxide impurities)) — mineral

Carnelian (Tumbled)

Carnelian (SiO2 with Iron Oxide impurities)

Diamond (or Clear Zircon/Sapphire) (Carbon (C)) — gemstone

Diamond (or Clear Zircon/Sapphire)

Carbon (C)

Citrine (Heat-treated) (Silicon Dioxide (SiO2)) — mineral

Citrine (Heat-treated)

Silicon Dioxide (SiO2)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Citrine Quartz (Silicon Dioxide (SiO2) with iron impurities) — mineral

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Chevron Amethyst (Silicon Dioxide (SiO2) with Iron impurities) — mineral

Chevron Amethyst

Silicon Dioxide (SiO2) with Iron impurities

Black Onyx (Onyx (Silicon Dioxide, SiO2)) — mineral

Black Onyx

Onyx (Silicon Dioxide, SiO2)

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

Citrine

Citrine (Silicon Dioxide, SiO2)

Diamond (in jewelry setting) (Diamond (C - Pure Carbon)) — mineral

Diamond (in jewelry setting)

Diamond (C - Pure Carbon)

Sardonyx Agate Sphere (Cryptocrystalline Quartz (SiO2) with iron oxide inclusions) — mineral

Sardonyx Agate Sphere

Cryptocrystalline Quartz (SiO2) with iron oxide inclusions

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

Amethyst (in jewelry)

Silicon Dioxide (SiO2) with iron impurities

Amethyst (Silicon Dioxide (SiO2)) — mineral

Amethyst

Silicon Dioxide (SiO2)

Black Onyx (Tumbled) (Silicon Dioxide (SiO2)) — mineral

Black Onyx (Tumbled)

Silicon Dioxide (SiO2)

Cat's Eye Shell (Shiva Shell) (Operculum of the Turbo petholatus (Tapestry Turban Snail), predominantly Calcium Carbonate (Aragonite)) — mineraloid / biogenic specimen

Cat's Eye Shell (Shiva Shell)

Operculum of the Turbo petholatus (Tapestry Turban Snail), predominantly Calcium Carbonate (Aragonite)

mineraloid / biogenic specimen

Diamond (Emerald Cut) (Carbon (C)) — mineral

Diamond (Emerald Cut)

Carbon (C)

Carnelian (Flame Polished) (Carnelian (SiO2 with Iron Oxide impurities)) — mineral

Carnelian (Flame Polished)

Carnelian (SiO2 with Iron Oxide impurities)

Yellow Topaz (Imperial or Precious Topaz) (Al2SiO4(F,OH)2 (Aluminum Silicate Fluoride Hydroxide)) — mineral

Yellow Topaz (Imperial or Precious Topaz)

Al2SiO4(F,OH)2 (Aluminum Silicate Fluoride Hydroxide)

Moonstone (Feldspar variety) (Orthoclase Feldspar (KAlSi3O8)) — mineral

Moonstone (Feldspar variety)

Orthoclase Feldspar (KAlSi3O8)

Iron Meteorite (Individual) (Siderite (composed of Kamacite and Taenite minerals)) — igneous

Iron Meteorite (Individual)

Siderite (composed of Kamacite and Taenite minerals)

Moonstone (Orthoclase Feldspar ((K,Na)AlSi3O8)) — mineral

Moonstone

Orthoclase Feldspar ((K,Na)AlSi3O8)

Heliotrope (Bloodstone) (Cryptocrystalline Quartz (SiO2) with inclusions of Hematite (Fe2O3)) — mineral

Heliotrope (Bloodstone)

Cryptocrystalline Quartz (SiO2) with inclusions of Hematite (Fe2O3)