Note: This is a Man-Made Object (Costume/Prop Patch)
Synthetic fiber and pigments (Cellulose/Plastic-based composite)
Category
Browse industrial byproduct (anthropogenic material) 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)
Diamond
Diamond (C)
Chalcedony (Moonstone variant or White Agate)
Silicon Dioxide (SiO₂)
Aragonite Star Cluster (or Aragonite Sputnik)
Aragonite (Orthorhombic Calcium Carbonate, CaCO3)
Red Jasper (Opaque Chalcedony)
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Diamond
Diamond (pure carbon; C)
Chalcedony (specifically Agate or Flint)
Silicon Dioxide (SiO₂)
Green Calcite
Calcite (Calcium Carbonate, CaCO3)
Blue Calcite
Calcite (Calcium Carbonate, CaCO3)
Talc
Talc (Mg₃Si₄O₁₀(OH)₂)
Quartzite
Quartzite (Primary mineral: Quartz, SiO2)
Diamond
Diamond (C)
Cat's Eye Moonstone (Simulated/Synthetic or natural Cat's Eye Quartz/Glass)
There is no single scientific name. The appearance suggests either: Moonstone (feldspar group), Cat's Eye Quartz (SiO2), Apatite (Ca5(PO4)3(F,Cl,OH)), or most likely a synthetic material such as Fiber Optic Glass or 'Opalite' (a type of glass).
Artificial Rock Face (Faux Rock)
Glass Fiber Reinforced Concrete (GFRC)
Blue Kyanite
Kyanite (Al2SiO5)
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
Sandstone
Sandstone (clastic sedimentary rock)
Schist
Schist (various compositions)
Coquina (Fossiliferous Limestone)
Biogenic Limestone (Calcium Carbonate, CaCO3)
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Glazed Ceramic Tile
Fused Silicate-Clay composite
Blue Sphalerite (likely dyed or treated Druzy Quartz/Agate)
Zinc Sulfide (ZnS) or Silicon Dioxide (SiO2) with trade-name enhancement
Red Jasper
Jasper (a variety of Quartz, SiO2)
Industrial Diamond (Bort or Boart)
Diamond (pure Carbon, C)
Coal (most likely Bituminous or Anthracite)
Coal (organic sedimentary rock)
Man-made Jewelry (Metal and Glass/Plastic)
Synthetic Alloy and Amorphous Solid (SiO2/Polymer)
Sea Glass (Kelly Green)
Amorphous Silica (Silicon Dioxide with Iron/Chromium additives)
Orange Calcite (likely polished specimen)
Calcite
Orbicular Granite (specifically Mustard or Yellow Tonalite/Granodiorite)
Orbicular Quartz Diorite / Tonalite
Basalt
Basalt
Diamond (or Diamond Simulant)
Carbon (C)
Kimberlite
Kimberlite
Raw Corundum (Sapphire/Ruby variant)
Aluminum oxide (Al2O3)
Chert Pebble
Microcrystalline silica (SiO2)
Diamond
Diamond (C)
Green Agate
Silicon dioxide (SiO₂)
Synthetic Zinc/Polycarbonate Composite (Bey-specimen)
Zinc Alloy (Zamak 3) with Polycarbonate (C15H16O2)n Overlay
Sandstone
Arenite (primarily SiO2)
Coquina or Fossiliferous Limestone
Fossiliferous Calcarenite (CaCO3)
Sea Glass (Frosted Glass)
Amorphous Silica (SiO2) with various additives
Blue Kyanite
Kyanite (Al2SiO5)