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

Blue Topaz (Aluminum silicate fluoride hydroxide (Al2SiO4(F,OH)2)) — gemstone

Blue Topaz

Aluminum silicate fluoride hydroxide (Al2SiO4(F,OH)2)

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

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Sunstone (Plagioclase Feldspar (Na,Ca)(Al,Si)4O8) — mineral

Sunstone

Plagioclase Feldspar (Na,Ca)(Al,Si)4O8

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

Moonstone

Orthoclase Feldspar ((K,Na)AlSi3O8) with Albite

Black Onyx (Cryptocrystalline Quartz (SiO2 with organic/iron impurities)) — mineral

Black Onyx

Cryptocrystalline Quartz (SiO2 with organic/iron impurities)

Citrine (Silicon dioxide (SiO2)) — mineral

Citrine

Silicon dioxide (SiO2)

Opal (Hydrated amorphous silica (SiO2·nH2O)) — mineral

Opal

Hydrated amorphous silica (SiO2·nH2O)

Moonstone (Rainbow Moonstone) (Labradorite (White Labradorite) - (Na,Ca)(Al,Si)4O8) — mineral

Moonstone (Rainbow Moonstone)

Labradorite (White Labradorite) - (Na,Ca)(Al,Si)4O8

Ametrine (Ametrine (SiO2 - Silicon Dioxide with varied iron impurities)) — mineral

Ametrine

Ametrine (SiO2 - Silicon Dioxide with varied iron impurities)

Pearl (Nacre (Aragonite and Conchiolin), CaCO3) — mineral

Pearl

Nacre (Aragonite and Conchiolin), CaCO3

Larimar (Pectolite (NaCa2Si3O8(OH))) — mineral

Larimar

Pectolite (NaCa2Si3O8(OH))

Polished blue stone, likely sodalite or dyed agate (Sodalite: Na₈(Al₆Si₆O₂₄)Cl₂; exact identification requires testing) — mineral

Polished blue stone, likely sodalite or dyed agate

Sodalite: Na₈(Al₆Si₆O₂₄)Cl₂; exact identification requires testing

Riverstone (Sandstone Pebble) (Arenite (SiO2 with various lithic fragments)) — sedimentary

Riverstone (Sandstone Pebble)

Arenite (SiO2 with various lithic fragments)

Bloodstone (Chalcedony quartz variety Heliotrope (SiO2)) — gemstone

Bloodstone

Chalcedony quartz variety Heliotrope (SiO2)

Sunstone (Feldspar group (Oligoclase / Labradorite)) — gemstone

Sunstone

Feldspar group (Oligoclase / Labradorite)

Fossil Shark Tooth (Chondrichthyes (Class)) — fossil

Fossil Shark Tooth

Chondrichthyes (Class)

Black Onyx (Chalcedony (SiO2)) — gemstone

Black Onyx

Chalcedony (SiO2)

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

Peridot

Olivine ((Mg,Fe)2SiO4)

Heliotrope (Bloodstone) (Chalcedony variety Quartz (SiO2) with hematite/chlorite inclusions) — mineral

Heliotrope (Bloodstone)

Chalcedony variety Quartz (SiO2) with hematite/chlorite inclusions

Sunstone (Feldspar group (Plagioclase / Oligoclase)) — mineral

Sunstone

Feldspar group (Plagioclase / Oligoclase)

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

Carnelian

Silicon Dioxide (Chalcedony variety), SiO2

Aquamarine (Beryl (Be3Al2(SiO3)6)) — gemstone

Aquamarine

Beryl (Be3Al2(SiO3)6)

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

Moonstone

Orthoclase (Potassium Feldspar), (K,Na)AlSi3O8

Moss Agate (Chalcedony (SiO2 with inclusions)) — mineral

Moss Agate

Chalcedony (SiO2 with inclusions)

Sunstone (Plagioclase Feldspar (Na,Ca)(Al,Si)4O8) — mineral

Sunstone

Plagioclase Feldspar (Na,Ca)(Al,Si)4O8

Aura Quartz (Silicon Dioxide (SiO2) with metallic vapor coating) — mineral

Aura Quartz

Silicon Dioxide (SiO2) with metallic vapor coating

Citrine Quartz (Silicon dioxide (SiO2)) — mineral

Citrine Quartz

Silicon dioxide (SiO2)

Bicolor or Tricolor Tourmaline (Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)) — mineral

Bicolor or Tricolor Tourmaline

Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)

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

Peridot (Olivine)

Olivine ((Mg, Fe)2SiO4)

Sunstone (Oligoclase (Plagioclase Feldspar), (Ca,Na)(Al,Si)4O8) — mineral

Sunstone

Oligoclase (Plagioclase Feldspar), (Ca,Na)(Al,Si)4O8

Chondrite Meteorite (Stony Meteorite (Chondrite)) — meteorite

Chondrite Meteorite

Stony Meteorite (Chondrite)

Druzy Quartz (on Chalcedony/Agate base) (Silicon Dioxide (SiO2)) — mineral

Druzy Quartz (on Chalcedony/Agate base)

Silicon Dioxide (SiO2)

Turquoise (Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O

Pearl (Calcium carbonate (CaCO3) as Aragonite or Calcite) — mineral

Pearl

Calcium carbonate (CaCO3) as Aragonite or Calcite

Shiva Eye Shell (Operculum) (Calcium Carbonate (Aragonite), CaCO3) — mineral

Shiva Eye Shell (Operculum)

Calcium Carbonate (Aragonite), CaCO3

Sunstone (Oligoclase (Plagioclase Feldspar) - (Ca,Na)(Al,Si)4O8 with Hematite or Copper inclusions) — mineral

Sunstone

Oligoclase (Plagioclase Feldspar) - (Ca,Na)(Al,Si)4O8 with Hematite or Copper inclusions

Sunstone (Plagioclase Feldspar (containing (Ca,Na)(Al,Si)4O8 with Hematite or Copper inclusions)) — mineral

Sunstone

Plagioclase Feldspar (containing (Ca,Na)(Al,Si)4O8 with Hematite or Copper inclusions)

Moonstone (Orthoclase (Potassium Aluminum Silicate), Formula: (K,Na)AlSi3O8) — mineral

Moonstone

Orthoclase (Potassium Aluminum Silicate), Formula: (K,Na)AlSi3O8

Black Onyx (Silicon Dioxide (SiO2)) — mineral

Black Onyx

Silicon Dioxide (SiO2)

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

Peridot

Olivine (Mg, Fe)₂SiO₄

Black Pearl (Tahitian Style) (Calcium Carbonate (Aragonite) - CaCO3 with Conchiolin) — mineral

Black Pearl (Tahitian Style)

Calcium Carbonate (Aragonite) - CaCO3 with Conchiolin

Granite (Granite (plutonic igneous rock)) — igneous

Granite

Granite (plutonic igneous rock)