Amber
Succinite (C10H16O)
mineral
Category
Amorphous Solid
Browse amorphous solid specimens identified by the Rock Identifier community.
Learn about Amorphous Solid in the encyclopedia
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Chrysocolla on Limonite Matrix
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) on FeO(OH)·nH2O (Limonite)
mineral
Geode (Unopened)
Silicon Dioxide (SiO2) in sedimentary host rock
sedimentary
Blue Goldstone
Auraventurine (Synthetic glass with cobalt and copper inclusions)
Synthetic (Man-made Glass)
Anthracite Coal
Anthracite (Carbon-rich metamorphic rock)
metamorphic
Amber
Succinite (specifically Baltic Amber) - Formula: C10H16O (approximate)
Organic Mineraloid
Libyan Desert Glass
Impactite silica glass (SiO2)
tektite (impact glass)
Anthracite Coal
Anthracite
metamorphic
Snowflake Obsidian
Volcanic glass containing Cristobalite (SiO2)
igneous
Obsidian
Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)
igneous
Limonite and Hematite Gossan
Hydrated Iron Oxide Mix (FeO(OH)·nH2O) / Ferric oxide (Fe2O3)
mineral
Opalite
Synthetic Opalite Glass (Silicon Dioxide)
mineraloid (man-made)
Mahogany Obsidian
Obsidian (Volcanic Glass with Hematite/Magnetite inclusions)
igneous
Snowflake Obsidian
Obsidian with Spherulitic Cristobalite (SiO2)
igneous
Gastropod Fossil (Snail Internal Cast)
Class Gastropoda (Steinkern)
sedimentary
Snowflake Obsidian
Obsidian with Cristobalite inclusions (SiO2)
igneous
Blue Slag Glass
Ferro-silicate glass (Slag)
igneous (man-made/industrial)
Coquina
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Titanium-coated Metal Cube (Man-made Fidget Toy)
Titanium-anodized or electroplated alloy (e.g., Ti-coated Zinc or Aluminum)
Mineral alternative / Synthetic
Limonite (Iron Ore)
Limonite (̑FeO(OH)·nH₂O)
sedimentary
Obsidian
Volcanic Glass (SiO2)
igneous
Obsidian (specifically Rainbow or Silver Sheen Obsidian)
Volcanic Glass (predominantly SiO2)
Igneous
Snowflake Obsidian
Spherulitic Obsidian (Volcanic Glass with Cristobalite)
igneous
Laterite
Lateritic Soil/Rock (rich in Fe2O3 and Al2O3)
sedimentary
Precious Opal
Hydrated Silica (SiO2·nH2O)
mineral
Conglomerate
Clastic Sedimentary Conglomerate (SiO2, CaCO3 dominant)
sedimentary
Coquina / Shelly Limestone
Coquina (Biogenic Limestone)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Amber
Succinite (a fossilized organic resin)
mineral
Obsidian
Obsidian (Volcanic Glass)
igneous
Coal (Bituminous)
Sedimentary carbonaceous rock
sedimentary
Black Obsidian with white veins
Volcanic Glass (70–75% SiO2)
igneous
Moldavite
Moldavite (Siliceous vitreous substance)
tektite (natural glass)
Baltic Amber (Butterscotch or Egg Yolk Variety)
Succinite (C10H16O)
Organic Gemstone (Mineraloid)
Amber
Succinite (specific to Baltic amber), fossilized tree resin
Organic Mineraloid
Amber
Succinicum (Succinite); C10H16O
Mineraloid (Organic)
Ironstone (Limonite/Hematite)
Ferruginous sedimentary rock (Fe2O3·nH2O / Fe2O3)
sedimentary
Mahogany Obsidian
Volcanic glass (SiO2 with Hematite or Magnetite inclusions)
igneous
Amber
Succinite (organic hydrocarbon)
mineraloid
Limonite (with Goethite/Ironstone)
FeO(OH)·nH2O (Hydrated Iron Oxide)
mineral
Gold Nugget
Native Gold (Au)
mineral
Mahogany Obsidian
Obsidian (volcanic glass with hematite/magnetite inclusions)
igneous