Gastly (Trick or Trade Halloween Series)
Cellulose-carbonaceous composite (Lignocellulose laminated with pigmentary polymers)
Mineral (Synthetic - Paper and Ink Polymorph)
Category
Mineral (Synthetic Paper And Ink Polymorph)
Browse mineral (synthetic paper and ink polymorph) specimens identified by the Rock Identifier community.
Note: This is a Man-Made Object (Costume/Prop Patch)
Synthetic fiber and pigments (Cellulose/Plastic-based composite)
Non-geological
Paper (Cellulose)
Cellulose (C6H10O5)n
Organic (Anthropogenic)
Hand-Drawn Trading Card (Amateur Artwork)
Cellulose-based substrate with wax/graphite/ink deposit (n/a for minerals)
Organic/Synthetic Composite (Paper and Pigment)
K2 Stone (or K2 Jasper)
Azurite-in-Granite (Potassium Feldspar, Quartz, Plagioclase, Muscovite, and Azurite)
igneous
Graphite
Graphite (C)
mineral
Graphite
Graphite (Native Carbon), Formula: C
Metamorphic
Graphite
Graphite (Native Carbon, C)
Mineral
Graphite
Graphite (Chemical Formula: C)
Mineral (Native Element)
Chinese Writing Stone
Porphyritic Basalt (or Andesite) with Feldspar inclusions
igneous
Calcite (Yellow/Orange variety - sometimes called Honey Calcite)
Calcite
Mineral
Graphite
Graphite (Carbon, C)
metamorphic
Calcite (commonly referred to as Orange Calcite or Honey Calcite given its color)
Calcite
Mineral
Wallboard/Drywall (Gypsum-based)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
sedimentary
Snowflake Obsidian
Volcanic Glass with Spherulitic Cristobalite (SiO2)
igneous
Dendritic Opal
Opalized Chalcedony with Manganese Inclusions (SiO2 · nH2O)
mineral
Cubic Zirconia (as used in jewelry setting)
Zirconium dioxide (ZrO2)
mineral
Kyanite
Kyanite (Al2SiO5)
mineral
Aragonite Star Cluster
Aragonite (Calcium Carbonate, CaCO3)
mineral
Snowflake Obsidian
Hydrated Volcanic Glass (primarily SiO2) with Cristobalite inclusions
igneous
Kyanite in Quartz
Kyanite (Al2SiO5) with Quartz (SiO2)
metamorphic
Man-made Synthetic Material (Costume Faux Fur)
Synthetic Polymer (Polyester/Acrylic)
not a rock
Sea Glass (Teal/Turquoise)
Amorphous Silica (SiO2) with trace metal oxides
Anthropogenic (Man-made material processed by nature)
K2 Jasper (K2 Granite)
Azurite in Granite (K(Mg,Fe)3AlSi3O10(OH,F)2 + Cu3(CO3)2(OH)2)
igneous
Snowflake Obsidian
Vitreous Volcanic Rock (Amorphous Silicate), SiO2
igneous
Gypsum Wallboard (Drywall)
Hydrous calcium sulfate (CaSO4·2H2O)
sedimentary (processed mineral product)
Quartz pebble with surface markings
Silicon Dioxide (SiO2)
mineral
Opalite (Synthetic Moonstone/Sea Opal)
Silicon Dioxide (SiO2) glass with metallic inclusions
Synthetic/Man-made Glass
Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Blue Kyanite
Kyanite (Al2SiO5)
mineral
Aragonite (Onyx Marble)
Calcium Carbonate (CaCO3), Orthorhombic crystal system
mineral
Aragonite (Sputnik habit)
Aragonite (Calcium Carbonate, CaCO3)
mineral
Cubic Zirconia
Zirconium dioxide (ZrO2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Sandstone (Pet Rock)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Ruby (in costume jewelry context)
Corundum (Al2O3) with Chromium impurities
mineral
N/A (Non-Geological Object)
N/A
Diamond (in a jewelry setting)
Carbon (C)
mineral
Aragonite
Aragonite (Calcium Carbonate - CaCO3)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Blue Kyanite
Kyanite (Al2SiO5)
mineral