Rock Identifier

Category

Mineral (Synthetic Paper And Ink Polymorph)

Browse mineral (synthetic paper and ink polymorph) specimens identified by the Rock Identifier community.

Aragonite (variety 'Flos Ferri') (Aragonite (CaCO3)) — Mineral

Aragonite (variety 'Flos Ferri')

Aragonite (CaCO3)

Slate (Foliated metamorphic rock) — metamorphic

Slate

Foliated metamorphic rock

Limestone (Calcium carbonate (CaCO3)) — sedimentary

Limestone

Calcium carbonate (CaCO3)

Puddingstone (Conglomerate) (Conglomerate (clastic sedimentary rock)) — sedimentary

Puddingstone (Conglomerate)

Conglomerate (clastic sedimentary rock)

Pumice (Vesicular Rhyolite/Andesite) (Pumice (a highly vesicular volcanic glass/extrusive igneous rock)) — igneous

Pumice (Vesicular Rhyolite/Andesite)

Pumice (a highly vesicular volcanic glass/extrusive igneous rock)

Puddingstone (Conglomerate (typically quartz-rich or jasper-rich)) — sedimentary

Puddingstone

Conglomerate (typically quartz-rich or jasper-rich)

Synthetic Faux Fur Fursuit (Polyacrylonitrile / Polyester (Synthetic Textile)) — not a rock (synthetic material/costume)

Synthetic Faux Fur Fursuit

Polyacrylonitrile / Polyester (Synthetic Textile)

not a rock (synthetic material/costume)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone with Calcite Crystals (Calcium Carbonate (CaCO3)) — sedimentary

Limestone with Calcite Crystals

Calcium Carbonate (CaCO3)

White Marble (Industrial/Architectural) (Recrystallized Calcite (CaCO3)) — metamorphic

White Marble (Industrial/Architectural)

Recrystallized Calcite (CaCO3)

Carrara Marble (Metamorphosed Limestone (principally Calcium Carbonate, CaCO3)) — metamorphic

Carrara Marble

Metamorphosed Limestone (principally Calcium Carbonate, CaCO3)

Gowganda Tillite (Puddingstone) (Glacial Tillite (Diamictite) with Jasper inclusions) — sedimentary

Gowganda Tillite (Puddingstone)

Glacial Tillite (Diamictite) with Jasper inclusions

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Goldstone (Aventurine glass (Synthetic glass with copper inclusions)) — mineraloid / man-made glass

Goldstone

Aventurine glass (Synthetic glass with copper inclusions)

mineraloid / man-made glass

Orange Quartzite (or Iron-Stained Quartz) (Silicon Dioxide (SiO2) with Iron Oxide impurities (Fe2O3)) — metamorphic

Orange Quartzite (or Iron-Stained Quartz)

Silicon Dioxide (SiO2) with Iron Oxide impurities (Fe2O3)

Slate (Slate (foliated metamorphic rock, primarily composed of quartz, illite, chlorite, and micas)) — metamorphic

Slate

Slate (foliated metamorphic rock, primarily composed of quartz, illite, chlorite, and micas)

Lapis Lazuli (in Matrix) (Na8[Al6Si6O24]S2 (Lazurite as the primary component)) — metamorphic

Lapis Lazuli (in Matrix)

Na8[Al6Si6O24]S2 (Lazurite as the primary component)

Marble (Recrystallized Calcite (CaCO3)) — metamorphic

Marble

Recrystallized Calcite (CaCO3)

Limestone Pebble (Calcium Carbonate (CaCO3)) — sedimentary

Limestone Pebble

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)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Brecciated/Recrystallized) (Calcium Carbonate (CaCO3)) — sedimentary

Limestone (Brecciated/Recrystallized)

Calcium Carbonate (CaCO3)

Blue Goldstone (Aventurine Glass (SiO2 with Cobalt/Copper inclusions)) — man-made glass

Blue Goldstone

Aventurine Glass (SiO2 with Cobalt/Copper inclusions)

Man-made Jewelry (Metal and Glass/Plastic) (Synthetic Alloy and Amorphous Solid (SiO2/Polymer)) — not a rock

Man-made Jewelry (Metal and Glass/Plastic)

Synthetic Alloy and Amorphous Solid (SiO2/Polymer)

Chalk / Sedimentary Limestone (Calcium Carbonate (CaCO3) - Biogenic Sedimentary Rock) — sedimentary

Chalk / Sedimentary Limestone

Calcium Carbonate (CaCO3) - Biogenic Sedimentary Rock

Limestone (specifically Fossiliferous or Crinoidal Limestone) (Calcium Carbonate (CaCO3) - Calcite Rock) — sedimentary

Limestone (specifically Fossiliferous or Crinoidal Limestone)

Calcium Carbonate (CaCO3) - Calcite Rock

Porphyritic Basalt (Flowerstone) (Porphyritic Basalt (Mafic volcanic rock)) — igneous

Porphyritic Basalt (Flowerstone)

Porphyritic Basalt (Mafic volcanic rock)

Agate (Agate (a cryptocrystalline variety of Quartz, SiO₂)) — Mineral

Agate

Agate (a cryptocrystalline variety of Quartz, SiO₂)

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

Agate

Agate (a variety of Chalcedony, SiO2)

Anthracite Coal (Anthracite (Carbon-based organic sedimentary rock transitioned to metamorphic)) — metamorphic

Anthracite Coal

Anthracite (Carbon-based organic sedimentary rock transitioned to metamorphic)

Ring with an Orange Inlay (N/A (Man-made object)) — Man-made Object (Ring)

Ring with an Orange Inlay

N/A (Man-made object)

Man-made Object (Ring)

Porphyry (Porphyritic Andesite/Dacite) — igneous

Porphyry

Porphyritic Andesite/Dacite

Dyed Quartzite (Metamorphosed Quartz (SiO2) with synthetic pigment) — metamorphic

Dyed Quartzite

Metamorphosed Quartz (SiO2) with synthetic pigment

Cultured Marble (Synthetic) (Polymer-matrix composite (typically calcium carbonate in polyester resin)) — Synthetic / Composite Material

Cultured Marble (Synthetic)

Polymer-matrix composite (typically calcium carbonate in polyester resin)

Synthetic / Composite Material

Opalite (a synthetic glass, often confused with Opal) (Silicon dioxide glass (SiO2nH2O, for natural opal)) — Synthetic (glass)

Opalite (a synthetic glass, often confused with Opal)

Silicon dioxide glass (SiO2nH2O, for natural opal)

Synthetic (glass)

Agate (various color varieties) (SiO₂ (Silicon Dioxide)) — Mineral (specifically a variety of Chalcedony, which is a microcrystalline quartz)

Agate (various color varieties)

SiO₂ (Silicon Dioxide)

Mineral (specifically a variety of Chalcedony, which is a microcrystalline quartz)

Shungite (Carbonaceous rock (primarily amorphous carbon)) — Mineraloid

Shungite

Carbonaceous rock (primarily amorphous carbon)

Synthetic Convention Badge (Plastic/PVC) (Polyvinyl Chloride (PVC) / Polycarbonate) — mineraloid (synthetic)

Synthetic Convention Badge (Plastic/PVC)

Polyvinyl Chloride (PVC) / Polycarbonate

mineraloid (synthetic)

Blue Goldstone (Auraventurine (Synthetic glass with cobalt and copper inclusions)) — Synthetic (Man-made Glass)

Blue Goldstone

Auraventurine (Synthetic glass with cobalt and copper inclusions)

Synthetic (Man-made Glass)

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

Amber

Succinite (specifically for Baltic amber; general formula C10H16O)

Mineraloid (Organic)

Wood Beads (Palmwood/Ebony) (Various species for wood, but often refers to woods like Palmwood (e.g., Borassus flabellifer) or Ebony (Diospyros spp.) for their distinctive grain and hardness.) — Organic Gem Material (Botanical)

Wood Beads (Palmwood/Ebony)

Various species for wood, but often refers to woods like Palmwood (e.g., Borassus flabellifer) or Ebony (Diospyros spp.) for their distinctive grain and hardness.

Organic Gem Material (Botanical)

Terrazzo (Synthetic Composite Rock) (Cementitious or Epoxy Resin-bound Aggregates) — Man-made metamorphic-style composite

Terrazzo (Synthetic Composite Rock)

Cementitious or Epoxy Resin-bound Aggregates

Man-made metamorphic-style composite