Rock Identifier

Category

Man Made Object (Ring)

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

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

Diamond (faceted)

Diamond (Pure Carbon, C)

Carnelian (Carnelian (Microcrystalline Quartz, SiO2)) — mineral

Carnelian

Carnelian (Microcrystalline Quartz, SiO2)

Citrine Quartz (Quartz (SiO2) - specifically, a variety of macrocrystalline quartz) — Mineral

Citrine Quartz

Quartz (SiO2) - specifically, a variety of macrocrystalline quartz

Serpentine (Serpentinite (rock) containing serpentine minerals (e.g., Antigorite, Lizardite, Chrysotile)) — Metamorphic rock

Serpentine

Serpentinite (rock) containing serpentine minerals (e.g., Antigorite, Lizardite, Chrysotile)

Metamorphic rock

Rhodonite (Rhodonite (MnSiO3)) — Mineral

Rhodonite

Rhodonite (MnSiO3)

Sodalite (Sodalite - Na8(Al6Si6O24)Cl2) — Mineral

Sodalite

Sodalite - Na8(Al6Si6O24)Cl2

Basalt (Basalt) — Igneous

Basalt

Basalt

Aventurine (likely Green Aventurine) (Silicon Dioxide (SiO2) with various inclusions) — Mineral, variety of Quartz

Aventurine (likely Green Aventurine)

Silicon Dioxide (SiO2) with various inclusions

Mineral, variety of Quartz

Rhodonite (Rhodonite (MnSiO3)) — mineral

Rhodonite

Rhodonite (MnSiO3)

Clear Quartz (Quartz (Silicon Dioxide, SiO2)) — Mineral

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Nephrite Jade (Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)) — Mineral

Nephrite Jade

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)

Jasper, Agate, Quartz Mix (Polished Beads) (SiO₂ (Silicon Dioxide) for Quartz. Jasper and Agate are cryptocrystalline varieties of Quartz.) — Mineral/Semiprecious Gemstone (variety of Quartz)

Jasper, Agate, Quartz Mix (Polished Beads)

SiO₂ (Silicon Dioxide) for Quartz. Jasper and Agate are cryptocrystalline varieties of Quartz.

Mineral/Semiprecious Gemstone (variety of Quartz)

Quartz (River-worn Pebble) (Quartz (SiO2)) — Mineral

Quartz (River-worn Pebble)

Quartz (SiO2)

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Citrine (Quartz (SiO₂) variety) — Mineral

Citrine

Quartz (SiO₂) variety

Emerald (Beryl (variety Emerald), Be3Al2Si6O18 with Cr and/or V) — Mineral

Emerald

Beryl (variety Emerald), Be3Al2Si6O18 with Cr and/or V

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

Banded Agate (specifically Carnelian Agate color)

Silicon Dioxide (SiO2) - variety of Chalcedony

Amethyst Geode (Quartz (SiO₂) with iron impurities) — Mineral/Igneous (secondary formation)

Amethyst Geode

Quartz (SiO₂) with iron impurities

Mineral/Igneous (secondary formation)

Diamond (Cubic Carbon (C)) — mineral

Diamond

Cubic Carbon (C)

Chert (varieties include Flint or Jasper) (Chert (cryptocrystalline quartz; SiO₂)) — Sedimentary

Chert (varieties include Flint or Jasper)

Chert (cryptocrystalline quartz; SiO₂)

Agate (Agate (Cryptocrystalline Variety of Quartz, SiO2)) — Mineral

Agate

Agate (Cryptocrystalline Variety of Quartz, SiO2)

Agate (Agate (a cryptocrystalline variety of Quartz, SiO₂)) — Mineral

Agate

Agate (a cryptocrystalline variety of Quartz, SiO₂)

Brown Jasper (Likely) (Jasper (Cryptocrystalline Silicon Dioxide - SiO2)) — Mineral

Brown Jasper (Likely)

Jasper (Cryptocrystalline Silicon Dioxide - SiO2)

Orange Calcite (Calcite (Calcium Carbonate, CaCO3)) — Mineral

Orange Calcite

Calcite (Calcium Carbonate, CaCO3)

Included Quartz Beads (likely Phantom Quartz or Garden Quartz) (Quartz (SiO2) with various mineral inclusions) — Mineral

Included Quartz Beads (likely Phantom Quartz or Garden Quartz)

Quartz (SiO2) with various mineral inclusions

Rose Quartz (Quartz (SiO₂), specifically a variety of Quartz) — Mineral

Rose Quartz

Quartz (SiO₂), specifically a variety of Quartz

Jade (Nephrite or Jadeite) (Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (Na(Al,Fe3+)Si2O6)) — Mineral

Jade (Nephrite or Jadeite)

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (Na(Al,Fe3+)Si2O6)

Green Aventurine and Clear Quartz (Green Aventurine (Silicon Dioxide - SiO2 with Fuchsite inclusions); Clear Quartz (Silicon Dioxide - SiO2)) — Mineral

Green Aventurine and Clear Quartz

Green Aventurine (Silicon Dioxide - SiO2 with Fuchsite inclusions); Clear Quartz (Silicon Dioxide - SiO2)

Granite (Granite (a common rock name, not a single mineral species, composed primarily of quartz, feldspar, and mica/amphibole)) — igneous

Granite

Granite (a common rock name, not a single mineral species, composed primarily of quartz, feldspar, and mica/amphibole)

Puddingstone (Jasper Conglomerate) (Conglomerate (specific type: Jasper Conglomerate or Hertfordshire Puddingstone)) — Sedimentary

Puddingstone (Jasper Conglomerate)

Conglomerate (specific type: Jasper Conglomerate or Hertfordshire Puddingstone)

Emerald (Beryl (Be3Al2Si6O18), specifically the green variety colored by chromium or vanadium) — Mineral (Gemstone variety of Beryl)

Emerald

Beryl (Be3Al2Si6O18), specifically the green variety colored by chromium or vanadium

Mineral (Gemstone variety of Beryl)

Chert / Flint (Chert (varietal name for microcrystalline quartz). Chemical formula: SiO₂) — Mineral

Chert / Flint

Chert (varietal name for microcrystalline quartz). Chemical formula: SiO₂

Ruby (Corundum (mineral species), variety: Ruby (Al2O3 with Cr3+ as the chromophore)) — Mineral

Ruby

Corundum (mineral species), variety: Ruby (Al2O3 with Cr3+ as the chromophore)

Blue Topaz (specifically London Blue or Swiss Blue based on color saturation) (Al2SiO4(F,OH)2 (Aluminum Silicate Fluoride Hydroxide)) — mineral

Blue Topaz (specifically London Blue or Swiss Blue based on color saturation)

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

Tanzanite (Blue Zoisite (Ca2Al3(SiO4)(Si2O7)O(OH))) — mineral

Tanzanite

Blue Zoisite (Ca2Al3(SiO4)(Si2O7)O(OH))

Banded Agate (specifically Carnelian Agate / Sardonyx) (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Banded Agate (specifically Carnelian Agate / Sardonyx)

Silicon Dioxide (SiO2) with iron oxide inclusions

Fossil Coral (Fossilized Scleractinia or Tabulata (various genera/species)) — Sedimentary

Fossil Coral

Fossilized Scleractinia or Tabulata (various genera/species)

Clay (as a rock-forming material) (Clay minerals (e.g., Kaolinite group, Smectite group, Illite group, Chlorite group)) — Mineral

Clay (as a rock-forming material)

Clay minerals (e.g., Kaolinite group, Smectite group, Illite group, Chlorite group)

Sapphire (Corundum) (Corundum (Al2O3), variety Sapphire) — Mineral

Sapphire (Corundum)

Corundum (Al2O3), variety Sapphire

Red Swirl Beads (Likely Resin or Glass, simulating Red Jasper or Agate) (N/A (for the beads as pictured); Red Jasper: SiO2 (Chert variety); Red Agate: SiO2 (Chalcedony variety)) — Organic (if resin) or Synthetic (if glass); simulating Sedimentary or Metamorphic (for natural stones)

Red Swirl Beads (Likely Resin or Glass, simulating Red Jasper or Agate)

N/A (for the beads as pictured); Red Jasper: SiO2 (Chert variety); Red Agate: SiO2 (Chalcedony variety)

Organic (if resin) or Synthetic (if glass); simulating Sedimentary or Metamorphic (for natural stones)

Asphalt (Asphalt concrete (engineered material, not a naturally occurring rock/mineral in this form)) — Sedimentary

Asphalt

Asphalt concrete (engineered material, not a naturally occurring rock/mineral in this form)

Diamond (Diamond (C)) — Mineral

Diamond

Diamond (C)