Rock Identifier

Category

Mineraloid (Man Made Origin)

Browse mineraloid (man made origin) specimens identified by the Rock Identifier community.

Learn about Mineraloid (Man Made Origin) in the encyclopedia

Opalite

Opalite

Shungite

Shungite

Oregon Opal

Oregon Opal

Map Jasper

Map Jasper

Oregon Sunstone

Oregon Sunstone

Goldstone

Goldstone

Blue Goldstone

Blue Goldstone

Mandarin Garnet

Mandarin Garnet

Andalusite

Andalusite

Zincite

Zincite

Quartzite Sandstone

Quartzite Sandstone

Marl

Marl

Amber (Succinite (C10H16O)) — mineraloid

Amber

Succinite (C10H16O)

Amber (Succinite (Fossilized Tree Resin)) — mineraloid

Amber

Succinite (Fossilized Tree Resin)

Amber (Succinite (with approximate formula C10H16O)) — mineraloid

Amber

Succinite (with approximate formula C10H16O)

Fulgurite (Liesegang (Fulgurite)) — Mineraloid

Fulgurite

Liesegang (Fulgurite)

Amber (Succinite (specifically for Baltic amber); approximate formula C10H16O) — Mineraloid

Amber

Succinite (specifically for Baltic amber); approximate formula C10H16O

Amber (Raw) (Succinite (Fossilized Resin)) — mineraloid

Amber (Raw)

Succinite (Fossilized Resin)

Amber (Succinurite (C10H16O)) — mineraloid

Amber

Succinurite (C10H16O)

Opal (Hydrated silica (SiO2·nH2O)) — mineraloid

Opal

Hydrated silica (SiO2·nH2O)

Amber (with potentially inclusions) (Succinite (Fossilized Tree Resin)) — Mineraloid

Amber (with potentially inclusions)

Succinite (Fossilized Tree Resin)

Fire Opal (in matrix) (Hydrated Silica (SiO2·nH2O)) — Mineraloid

Fire Opal (in matrix)

Hydrated Silica (SiO2·nH2O)

Amber / Copal (Succinite (fossilized resin)) — mineraloid

Amber / Copal

Succinite (fossilized resin)

Amber (Succinite) — mineraloid

Amber

Succinite

Amber (Succinite (C10H16O)) — mineraloid

Amber

Succinite (C10H16O)

Amber / Copal (Fossilized Tree Resin (Succinate)) — Mineraloid

Amber / Copal

Fossilized Tree Resin (Succinate)

Amber (specifically Burmese Amber or Burmite) (Succiniferous fossil resin (C10H16O)) — mineraloid

Amber (specifically Burmese Amber or Burmite)

Succiniferous fossil resin (C10H16O)

Fulgurite (Fulgurite (Lechatelierite-rich fused silica)) — mineraloid

Fulgurite

Fulgurite (Lechatelierite-rich fused silica)

Amber (Succinite (Formula: C10H16O)) — Mineraloid

Amber

Succinite (Formula: C10H16O)

Ethiopian Opal (Welo Opal) (Hydrated Amorphous Silica (SiO2·nH2O)) — mineraloid

Ethiopian Opal (Welo Opal)

Hydrated Amorphous Silica (SiO2·nH2O)

Amber (Succinite (fossilized tree resin)) — mineraloid

Amber

Succinite (fossilized tree resin)

Amber (Succinite (a variety of fossilized tree resin); chemical formula appx. C10H16O) — mineraloid

Amber

Succinite (a variety of fossilized tree resin); chemical formula appx. C10H16O

Amber (Succinite (C10H16O)) — mineraloid

Amber

Succinite (C10H16O)

Amber (Succinite (fossilized resin); C10H16O) — mineraloid

Amber

Succinite (fossilized resin); C10H16O

Cobalt Blue Slag Glass (Amorphous Silicon Dioxide (anthropogenic) with Cobalt additives) — mineraloid

Cobalt Blue Slag Glass

Amorphous Silicon Dioxide (anthropogenic) with Cobalt additives

Baltic Amber (Succinite (Polmerized conifer resin)) — mineraloid

Baltic Amber

Succinite (Polmerized conifer resin)

Sea Glass (often mistaken for Gemstones) (Amorphous Silica (SiO2) with trace additives) — mineraloid

Sea Glass (often mistaken for Gemstones)

Amorphous Silica (SiO2) with trace additives

Blue Goldstone (Aventurine glass (Synthetic borosilicate glass with cobalt and metallic inclusions)) — man-made glass

Blue Goldstone

Aventurine glass (Synthetic borosilicate glass with cobalt and metallic inclusions)

Porcelain (Stoneware Ceramic) (Mullite / Silica-glass composite (Al6Si2O13)) — metamorphic (man-made)

Porcelain (Stoneware Ceramic)

Mullite / Silica-glass composite (Al6Si2O13)

metamorphic (man-made)

Obsidian (Obsidian (volcanic glass), primarily SiO2 (silicon dioxide)) — igneous

Obsidian

Obsidian (volcanic glass), primarily SiO2 (silicon dioxide)

Obsidian (Volcanic glass (mainly SiO2 with inclusions)) — igneous

Obsidian

Volcanic glass (mainly SiO2 with inclusions)

Mahogany Obsidian (Volcanic glass containing Hematite or Magnetite (SiO2 + Fe2O3)) — igneous

Mahogany Obsidian

Volcanic glass containing Hematite or Magnetite (SiO2 + Fe2O3)

Limonite (Iron Stone/Ocher) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (Iron Stone/Ocher)

Limonite (FeO(OH)·nH2O)

Obsidian (Obsidian (Volcanic Glass)) — igneous

Obsidian

Obsidian (Volcanic Glass)

Snowflake Obsidian (Spherulitic Volcanic Glass (primarily SiO2 with Cristobalite inclusions)) — igneous

Snowflake Obsidian

Spherulitic Volcanic Glass (primarily SiO2 with Cristobalite inclusions)

Obsidian (Amorphous volcanic glass (primarily SiO2)) — igneous

Obsidian

Amorphous volcanic glass (primarily SiO2)

Snowflake Obsidian (Volcanic Glass with Cristobalite inclusions (70–75% SiO2)) — Igneous

Snowflake Obsidian

Volcanic Glass with Cristobalite inclusions (70–75% SiO2)

Black Obsidian (Obsidian (Amorphous Silicon Dioxide)) — igneous

Black Obsidian

Obsidian (Amorphous Silicon Dioxide)

Snowflake Obsidian (Volcanic Glass with Cristobalite Inclusions) — igneous

Snowflake Obsidian

Volcanic Glass with Cristobalite Inclusions

Limonite (Iron-rich Siltstone / Sandstone base) (Hydrous ferric oxide mixture (FeO(OH)·nH2O)) — sedimentary

Limonite (Iron-rich Siltstone / Sandstone base)

Hydrous ferric oxide mixture (FeO(OH)·nH2O)

Limonite (Iron Ore) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

Sandstone (Arenite) — Sedimentary

Sandstone

Arenite

Blue Sapphire (Corundum (Al2O3) with iron and titanium impurities) — mineral

Blue Sapphire

Corundum (Al2O3) with iron and titanium impurities

Blue Quartzite (Aventurine) (Silicon Dioxide (SiO2) with mineral inclusions) — metamorphic

Blue Quartzite (Aventurine)

Silicon Dioxide (SiO2) with mineral inclusions