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

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Nephrite Jade (Tremolite-Actinolite series (Ca2(Mg,Fe)5Si8O22(OH)2)) — metamorphic

Nephrite Jade

Tremolite-Actinolite series (Ca2(Mg,Fe)5Si8O22(OH)2)

Graphic Granite (or Pegmatite) (Graphic Granite) — igneous

Graphic Granite (or Pegmatite)

Graphic Granite

Labradorite rough fragment ((Ca,Na)[Al,Si]A̲₁O₈) — mineral

Labradorite rough fragment

(Ca,Na)[Al,Si]A̲₁O₈

Snowflake Obsidian (Obsidian with Cristobalite inclusions) — igneous

Snowflake Obsidian

Obsidian with Cristobalite inclusions

Engineered Quartz (Quartzite look-alike) (Silicon Dioxide (SiO2) composite) — mineral-based composite

Engineered Quartz (Quartzite look-alike)

Silicon Dioxide (SiO2) composite

mineral-based composite

Banded Agate (likely Carnelian Agate or Sardonyx) (Agate is a common name for a microcrystalline variety of Quartz (SiO₂), specifically a form of Chalcedony.) — Sedimentary Rock (technically a variety of Chalcedony)

Banded Agate (likely Carnelian Agate or Sardonyx)

Agate is a common name for a microcrystalline variety of Quartz (SiO₂), specifically a form of Chalcedony.

Sedimentary Rock (technically a variety of Chalcedony)

Carnelian (Carnelian (a variety of Chalcedony, SiO2)) — Mineral

Carnelian

Carnelian (a variety of Chalcedony, SiO2)

Smoky Quartz (Smoky Quartz (SiO2)) — Mineral

Smoky Quartz

Smoky Quartz (SiO2)

Coquina (Biogenic Limestone (Coquina)) — sedimentary

Coquina

Biogenic Limestone (Coquina)

Diamond (or Cubic Zirconia) (Carbon (C) or Zirconium Dioxide (ZrO2)) — gemstone

Diamond (or Cubic Zirconia)

Carbon (C) or Zirconium Dioxide (ZrO2)

Vesicular Basalt (or Scoria) (Vesicular Basalt) — igneous

Vesicular Basalt (or Scoria)

Vesicular Basalt

Obsidian (Obsidian (volcanic glass)) — Igneous

Obsidian

Obsidian (volcanic glass)

Wishing Stone (Basalt/Metabasalt with Quartz-Feldspar Vein) (Veined Metabasalt / Veined Greywacke) — metamorphic

Wishing Stone (Basalt/Metabasalt with Quartz-Feldspar Vein)

Veined Metabasalt / Veined Greywacke

Probable amber fragment (Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)) — gemstone

Probable amber fragment

Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)

Belemnoit (Fossil) (Belemnoidea (Order), Rostrum / Guard) — sedimentary

Belemnoit (Fossil)

Belemnoidea (Order), Rostrum / Guard

Granite (Phaneritic Plutonic Felsic Rock) — igneous

Granite

Phaneritic Plutonic Felsic Rock

Granite (Granite (Phaneritic igneous rock)) — igneous

Granite

Granite (Phaneritic igneous rock)

Granite (Phaneritic Igneous Rock (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Phaneritic Igneous Rock (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)

Quartz Geode (Silicon Dioxide (SiO2)) — sedimentary

Quartz Geode

Silicon Dioxide (SiO2)

Carnelian (Carnelian (Silicon Dioxide - SiO2 with Hematite impurities)) — Mineral

Carnelian

Carnelian (Silicon Dioxide - SiO2 with Hematite impurities)

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

Carnelian

Carnelian (Silicon Dioxide, SiO2)

Angel Skin Coral (Corallium rubrum / Corallium spp. (Calcium Carbonate, CaCO3)) — gemstone

Angel Skin Coral

Corallium rubrum / Corallium spp. (Calcium Carbonate, CaCO3)

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

Turquoise

Turquoise, CuAl6(PO4)4(OH)8·4H2O

Diamond (Cubic carbon (C)) — mineral

Diamond

Cubic carbon (C)

Red Slag Glass (Cullet) (Amorphous Silicon Dioxide (SiO2) with metallic dopants) — Antropogenic (Man-made material)

Red Slag Glass (Cullet)

Amorphous Silicon Dioxide (SiO2) with metallic dopants

Antropogenic (Man-made material)

Quartz (Engineered Quartz Surface) (Silicon Dioxide (SiO2) based composite) — mineral (man-made composite)

Quartz (Engineered Quartz Surface)

Silicon Dioxide (SiO2) based composite

mineral (man-made composite)

Asphalt (Bituminous Concrete) (Bituminous Concrete / Pavement) — man-made (synthetic rock)

Asphalt (Bituminous Concrete)

Bituminous Concrete / Pavement

man-made (synthetic rock)

Blue Sea Glass (Amorphous Silica (Anthropogenic glass)) — not a rock (man-made origin)

Blue Sea Glass

Amorphous Silica (Anthropogenic glass)

not a rock (man-made origin)

Goldstone (Synthetic Aventurescence Glass) (Cuprous Aventurescent Glass (Silicon Dioxide with Copper inclusions)) — mineraloid / man-made material

Goldstone (Synthetic Aventurescence Glass)

Cuprous Aventurescent Glass (Silicon Dioxide with Copper inclusions)

mineraloid / man-made material

Faceted Glass (Costume Jewelry) (Amorphous Silicon Dioxide with colorants (Glass)) — Synthetic/Man-made Material

Faceted Glass (Costume Jewelry)

Amorphous Silicon Dioxide with colorants (Glass)

Synthetic/Man-made Material

Blue Topaz (Al2SiO4(F,OH)2) — gemstone

Blue Topaz

Al2SiO4(F,OH)2

Faceted Clear Gemstone (Likely Quartz or Cubic Zirconia) (Silicon Dioxide (SiO2) or Zirconium Dioxide (ZrO2)) — gemstone

Faceted Clear Gemstone (Likely Quartz or Cubic Zirconia)

Silicon Dioxide (SiO2) or Zirconium Dioxide (ZrO2)

Pearl (Calcium carbonate (CaCO3) - Aragonite/Calcite variety) — mineral

Pearl

Calcium carbonate (CaCO3) - Aragonite/Calcite variety

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

Larimar

Blue Pectolite (NaCa2Si3O8(OH))

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Limpets Shell / Fossil Specimen (Patellogastropoda (Class)) — fossil

Limpets Shell / Fossil Specimen

Patellogastropoda (Class)