Rock Identifier

Category

Man Made Object (Ring)

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

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Amethyst (SiO2 (Silicon Dioxide)) — Mineral

Amethyst

SiO2 (Silicon Dioxide)

Iolite (Cordierite) (Cordierite (Magnesium Aluminum Silicate), Mg2Al4Si5O18) — Mineral

Iolite (Cordierite)

Cordierite (Magnesium Aluminum Silicate), Mg2Al4Si5O18

Carnelian Agate (Carnelian (Silicon Dioxide - SiO2)) — mineral

Carnelian Agate

Carnelian (Silicon Dioxide - SiO2)

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

Diamond

Diamond (pure Carbon, C)

Blue Sapphire (Corundum (Al2O3)) — mineral

Blue Sapphire

Corundum (Al2O3)

Amethyst (Amethyst (variety of Quartz, SiO2)) — mineral

Amethyst

Amethyst (variety of Quartz, SiO2)

Aquamarine (Beryl (Be3Al2Si6O18 with iron impurities)) — mineral

Aquamarine

Beryl (Be3Al2Si6O18 with iron impurities)

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Amethyst (Amethyst is a variety of Quartz (SiO₂)) — Mineral

Amethyst

Amethyst is a variety of Quartz (SiO₂)

Carnelian Agate (Silicon Dioxide (SiO2) - variety of Chalcedony) — mineral

Carnelian Agate

Silicon Dioxide (SiO2) - variety of Chalcedony

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

Carnelian

Carnelian (Silicon Dioxide, SiO2)

Turquoise (Turquoise - CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

Turquoise - CuAl6(PO4)4(OH)8·4H2O

Carnelian (Carnelian (Silicon Dioxide - SiO2)) — mineral

Carnelian

Carnelian (Silicon Dioxide - SiO2)

Carnelian (Carnelian (a variety of Chalcedony), SiO2 (Silicon Dioxide)) — mineral

Carnelian

Carnelian (a variety of Chalcedony), SiO2 (Silicon Dioxide)

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

Carnelian Agate

Silicon Dioxide (SiO2) - Variety of Chalcedony

Chert (or Flint) (Chert (a cryptocrystalline variety of quartz, SiO2)) — sedimentary

Chert (or Flint)

Chert (a cryptocrystalline variety of quartz, SiO2)

Nephrite Jade (Nephrite (a variety of the mineral actinolite within the amphibole group); Chemical Formula: Ca2(Mg,Fe)5Si8O22(OH)2) — Mineral

Nephrite Jade

Nephrite (a variety of the mineral actinolite within the amphibole group); Chemical Formula: Ca2(Mg,Fe)5Si8O22(OH)2

Titanium Aura Quartz (Titanium-coated Silicon Dioxide (SiO2)) — mineral (man-enhanced)

Titanium Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

mineral (man-enhanced)

Titanium Coated Aura Quartz (Apple Aura Quartz) (Silicon Dioxide (SiO2) with Metallic Vapor Deposition Coating) — Mineral (Man-modified)

Titanium Coated Aura Quartz (Apple Aura Quartz)

Silicon Dioxide (SiO2) with Metallic Vapor Deposition Coating

Mineral (Man-modified)

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

Carnelian

Carnelian (SiO2 - Silicon Dioxide with Iron Oxide impurities)

Jade (likely Jadeite) (Jadeite (a pyroxene mineral) or Nephrite (a variety of amphibole mineral)) — Mineral

Jade (likely Jadeite)

Jadeite (a pyroxene mineral) or Nephrite (a variety of amphibole mineral)

Carnelian (Carnelian (SiO2 - Silicon Dioxide)) — mineral

Carnelian

Carnelian (SiO2 - Silicon Dioxide)

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

Carnelian

Carnelian Chalcedony (SiO2 with Iron Oxide impurities)

Unakite (Epidote-Feldspar rock) — Metamorphic Rock

Unakite

Epidote-Feldspar rock

Metamorphic Rock

Aventurine (likely Green Aventurine) (Silicon Dioxide (SiO2) with included minerals (Fuchsite for green)) — Metamorphic Rock / Mineral (Quartz Variety)

Aventurine (likely Green Aventurine)

Silicon Dioxide (SiO2) with included minerals (Fuchsite for green)

Metamorphic Rock / Mineral (Quartz Variety)

Mixed Chalcedony and Jasper Bracelet (possibly 'Ocean Jasper' or similar banded variety for brown beads, and blue/grey Chalcedony for the translucent beads) (Chalcedony (SiO2), Jasper (SiO2 with impurities)) — Mineral (specifically a cryptocrystalline variety of Quartz)

Mixed Chalcedony and Jasper Bracelet (possibly 'Ocean Jasper' or similar banded variety for brown beads, and blue/grey Chalcedony for the translucent beads)

Chalcedony (SiO2), Jasper (SiO2 with impurities)

Mineral (specifically a cryptocrystalline variety of Quartz)

Cullet Glass (Industrial Slag Glass) (Amorphous Silica (SiO2) with metallic oxide impurities) — Man-made byproduct (often mistaken for Obsidian or Emerald)

Cullet Glass (Industrial Slag Glass)

Amorphous Silica (SiO2) with metallic oxide impurities

Man-made byproduct (often mistaken for Obsidian or Emerald)

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

Druzy Quartz

Quartz (Silicon Dioxide, SiO2)

Chert / Flint (Chert (varieties include Flint)) — Sedimentary

Chert / Flint

Chert (varieties include Flint)

Carnelian Agate (Silicon Dioxide (SiO2) with Iron Impurities) — mineral

Carnelian Agate

Silicon Dioxide (SiO2) with Iron Impurities

Green Fluorite (Fluorite (Calcium Fluoride, CaF2)) — mineral

Green Fluorite

Fluorite (Calcium Fluoride, CaF2)

Carnelian Agate (Silicon Dioxide with Hematite impurities (SiO2 + Fe2O3)) — mineral

Carnelian Agate

Silicon Dioxide with Hematite impurities (SiO2 + Fe2O3)

Diamond (Set in Jewelry) (C (Native Carbon)) — mineral

Diamond (Set in Jewelry)

C (Native Carbon)

Pink Sapphire (Corundum (Al2O3 with trace Chromium and Iron)) — mineral

Pink Sapphire

Corundum (Al2O3 with trace Chromium and Iron)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Aquamarine with Sunstone (Aquamarine (Be3Al2Si6O18), Sunstone (Na,Ca)Al(Si,Al)Si2O8) — Mineral

Aquamarine with Sunstone

Aquamarine (Be3Al2Si6O18), Sunstone (Na,Ca)Al(Si,Al)Si2O8

Blue Sapphire (Ceylon) (Corundum (Al2O3) with traces of Iron and Titanium) — mineral

Blue Sapphire (Ceylon)

Corundum (Al2O3) with traces of Iron and Titanium

Blue Apatite (Apatite, Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Apatite, Ca5(PO4)3(F,Cl,OH)

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

Peridot

Olivine ((Mg,Fe)2SiO4)

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)