Rock Identifier

Category

Sedimentary (Or Mineraloid)

Browse sedimentary (or mineraloid) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Or Mineraloid) in the encyclopedia

Shungite

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Breccia

Ironstone

Coal

Kambaba Jasper

Limestone

Asphalt Rock

Claystone

Mudstone

Sapropel

Cullet Glass (Slag Glass) (Amorphous Silicon Dioxide (Industrial Man-made)) — mineraloid

Cullet Glass (Slag Glass)

Amorphous Silicon Dioxide (Industrial Man-made)

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

Dragon's Breath (Mexican Opal Glass) (Artisan Foil Glass (SiO2 based)) — mineraloid

Dragon's Breath (Mexican Opal Glass)

Artisan Foil Glass (SiO2 based)

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

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

Obsidian (Obsidian (Volcanic Glass)) — igneous

Obsidian

Obsidian (Volcanic Glass)

Mahogany Obsidian (Obsidian (volcanic glass with hematite/magnetite inclusions)) — igneous

Mahogany Obsidian

Obsidian (volcanic glass with hematite/magnetite inclusions)

Black Obsidian (Obsidian (Volcanic Glass, SiO2+)) — igneous

Black Obsidian

Obsidian (Volcanic Glass, SiO2+)

Snowflake Obsidian (Spherulitic Volcanic Glass (primarily SiO2)) — igneous

Snowflake Obsidian

Spherulitic Volcanic Glass (primarily SiO2)

Black Obsidian (Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)) — igneous

Black Obsidian

Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)

Limonite (Yellow Ochre) (Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)) — mineral

Limonite (Yellow Ochre)

Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)

Obsidian (Obsidian (Volcanic Glass)) — igneous

Obsidian

Obsidian (Volcanic Glass)

Limonite (Ironstone) (Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)) — mineral

Limonite (Ironstone)

Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)

Limonite (Iron Ore) (Limonite (Hydrated iron oxide - FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Limonite (Hydrated iron oxide - FeO(OH)·nH2O)

Amber (Tumbled/Polished) (Succinite (Fossilized Tree Resin)) — mineraloid

Amber (Tumbled/Polished)

Succinite (Fossilized Tree Resin)

Amber (Succinates) — mineraloid

Amber

Succinates

Amber (Fossilized Tree Resin (Succinite)) — mineraloid

Amber

Fossilized Tree Resin (Succinite)

Amber (Succinite (C10H16O)) — mineraloid

Amber

Succinite (C10H16O)

Tektite (Indochinite) (Tektite (High-silica natural glass)) — mineraloid

Tektite (Indochinite)

Tektite (High-silica natural glass)

Tektite (Indochinite) (Tektite (High-silica natural glass)) — mineraloid

Tektite (Indochinite)

Tektite (High-silica natural glass)

Bumblebee Jasper (Anhydrite-Aragonite mixture with Orpiment and Realgar) — mineraloid

Bumblebee Jasper

Anhydrite-Aragonite mixture with Orpiment and Realgar

Opalite (Synthetic glass (SiO2 + metal additions)) — mineraloid

Opalite

Synthetic glass (SiO2 + metal additions)

Amber (Succinite (fossilized tree resin)) — mineraloid

Amber

Succinite (fossilized tree resin)

Amber (Succinates (C10H16O)) — mineraloid

Amber

Succinates (C10H16O)

Pearl (Aragonite / Calcium Carbonate (CaCO3)) — mineraloid

Pearl

Aragonite / Calcium Carbonate (CaCO3)

Opalite (Man-made synthetic glass with opalescent effects (SiO2 + metal oxides)) — mineraloid

Opalite

Man-made synthetic glass with opalescent effects (SiO2 + metal oxides)

Pearl (Calcium Carbonate (Aragonite or Calcite) and Conchiolin) — Mineraloid

Pearl

Calcium Carbonate (Aragonite or Calcite) and Conchiolin

Amber (Succinate (Succinite for Baltic varieties)) — mineraloid

Amber

Succinate (Succinite for Baltic varieties)

Amber (Baltic) (Succinith (Fossilized Tree Resin)) — mineraloid

Amber (Baltic)

Succinith (Fossilized Tree Resin)

Amber (Succinite (organic fossilized resin)) — mineraloid

Amber

Succinite (organic fossilized resin)

Amber (Succinite (approximate formula C10H16O)) — mineraloid

Amber

Succinite (approximate formula C10H16O)

Cobalt Glass Slug (Cullet) (Man-made Silicate Glass with Cobalt Oxide (CoO)) — mineraloid

Cobalt Glass Slug (Cullet)

Man-made Silicate Glass with Cobalt Oxide (CoO)

Amber (Succinite (a specific common type) or Fossilized Tree Resin (C10H16O)) — Mineraloid

Amber

Succinite (a specific common type) or Fossilized Tree Resin (C10H16O)

Amber (Succinate (Fossilized Tree Resin)) — mineraloid

Amber

Succinate (Fossilized Tree Resin)

Amber (Succinate (Fossilized Tree Resin)) — mineraloid

Amber

Succinate (Fossilized Tree Resin)

Leland Blue Stone (Anthropogenic Iron Smelting Slag) — mineraloid

Leland Blue Stone

Anthropogenic Iron Smelting Slag