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

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Granodiorite (Granodiorite) — Igneous

Granodiorite

Granodiorite

Diamond (or Diamond Simulant) (Carbon (C) if diamond, various if simulant (e.g., Cubic Zirconia - ZrO2, Moissanite - SiC)) — gemstone

Diamond (or Diamond Simulant)

Carbon (C) if diamond, various if simulant (e.g., Cubic Zirconia - ZrO2, Moissanite - SiC)

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

Carnelian

Carnelian (a variety of Chalcedony, SiO2)

Pumice (Pumice (Vesicular Felsic Igneous Rock)) — igneous

Pumice

Pumice (Vesicular Felsic Igneous Rock)

Banded Agate (Silicon Dioxide (SiO2) - Chalcedony Variety) — mineral

Banded Agate

Silicon Dioxide (SiO2) - Chalcedony Variety

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Pumice (Pumice (a volcanic glass, primarily SiO2 with Al2O3)) — igneous

Pumice

Pumice (a volcanic glass, primarily SiO2 with Al2O3)

Petrified Wood (Silicified Wood / Chalcedony (SiO2)) — mineral

Petrified Wood

Silicified Wood / Chalcedony (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Andesite (Andesite) — igneous

Andesite

Andesite

Pumice (Vesicular volcanic glass) — igneous

Pumice

Vesicular volcanic glass

Diamond (in a jewelry setting) (Diamond (Carbon, C)) — mineral

Diamond (in a jewelry setting)

Diamond (Carbon, C)

Amethyst (SiO2 (Silicon Dioxide)) — Mineral

Amethyst

SiO2 (Silicon Dioxide)

Gray Slate River Stone (Slate) — metamorphic

Gray Slate River Stone

Slate

Quartz pebble or seed/crumb (SiO2 (if quartz)) — mineral

Quartz pebble or seed/crumb

SiO2 (if quartz)

Optical Calcite (Calcium Carbonate (CaCO3)) — mineral

Optical Calcite

Calcium Carbonate (CaCO3)

Polished blue-green glassy slag or coated mineral fragment (Most likely man-made colored glass/slag; exact composition cannot be determined visually) — mineral

Polished blue-green glassy slag or coated mineral fragment

Most likely man-made colored glass/slag; exact composition cannot be determined visually

Blue goldstone beads (Man-made aventurine glass (silica glass with metallic copper inclusions), not natural lapis lazuli) — mineral

Blue goldstone beads

Man-made aventurine glass (silica glass with metallic copper inclusions), not natural lapis lazuli

Green Chalcedony (Batu Akik) (Silicon Dioxide (SiO2)) — gemstone

Green Chalcedony (Batu Akik)

Silicon Dioxide (SiO2)

Hematite (Iron Oxide (Fe2O3)) — mineral

Hematite

Iron Oxide (Fe2O3)

Quartz pebble in concrete (Quartz (SiO₂), embedded in Portland-cement concrete) — mineral

Quartz pebble in concrete

Quartz (SiO₂), embedded in Portland-cement concrete

Sandstone with Liesegang Rings (Quartzose Sandstone with Iron Oxide Precipitation) — sedimentary

Sandstone with Liesegang Rings

Quartzose Sandstone with Iron Oxide Precipitation

Green Jasper with Agate Banding (Silicon Dioxide (SiO2) with impurities of ferrous silicate or chlorite) — sedimentary (chemical/biological origin)

Green Jasper with Agate Banding

Silicon Dioxide (SiO2) with impurities of ferrous silicate or chlorite

sedimentary (chemical/biological origin)

Jadeite (Jadeite (NaAlSi2O6)) — metamorphic

Jadeite

Jadeite (NaAlSi2O6)

Grey Slate (Foliated Metamorphic Rock (formed by low-grade regional metamorphism of shale or mudstone)) — metamorphic

Grey Slate

Foliated Metamorphic Rock (formed by low-grade regional metamorphism of shale or mudstone)

Diamond (in Ring Setting) (Diamond (Pure Carbon, C)) — gemstone

Diamond (in Ring Setting)

Diamond (Pure Carbon, C)

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

Onyx

Onyx (a variety of Chalcedony, SiO₂)

Jade (likely Nephrite Jade based on appearance) (Nephrite (a variety of actinolite, Ca2(Mg,Fe)5Si8O22(OH)2)) — Mineral

Jade (likely Nephrite Jade based on appearance)

Nephrite (a variety of actinolite, Ca2(Mg,Fe)5Si8O22(OH)2)

Diamond (appearing as a jewelry centerpiece) (Diamond (Formula: C)) — mineral

Diamond (appearing as a jewelry centerpiece)

Diamond (Formula: C)

Diamond (set in Gold) (Carbon (C)) — mineral

Diamond (set in Gold)

Carbon (C)

Moldavite (Silica glass with small amounts of aluminum, iron, and other elements) — Mineraloid / Tektite

Moldavite

Silica glass with small amounts of aluminum, iron, and other elements

Mineraloid / Tektite

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Petrified Wood (Silicified Wood (primarily Quartz/Chalcedony, formula SiO2)) — fossil

Petrified Wood

Silicified Wood (primarily Quartz/Chalcedony, formula SiO2)

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Petrified Wood (Silicon Dioxide (SiO2)) — fossil

Petrified Wood

Silicon Dioxide (SiO2)

Slate (Slate (Metamorphosed Mudstone/Shale)) — metamorphic

Slate

Slate (Metamorphosed Mudstone/Shale)

Fossilized Rugose Coral (Horn Coral) (Order Rugosa) — sedimentary

Fossilized Rugose Coral (Horn Coral)

Order Rugosa

Petrified Wood (Silicified wood (primarily SiO2)) — metamorphic

Petrified Wood

Silicified wood (primarily SiO2)

Pumice (Pumice (Vesicular felsic extrusive igneous rock)) — igneous

Pumice

Pumice (Vesicular felsic extrusive igneous rock)

Emerald and Diamond (Jewelry Setting) (Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities) and Carbon (C)) — mineral

Emerald and Diamond (Jewelry Setting)

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities) and Carbon (C)