Pink Granite
Phaneritic Felsic Intrusive Igneous Rock
Category
Browse man made material, not a natural rock or mineral specimen specimens identified by the Rock Identifier community.
Pink Granite
Phaneritic Felsic Intrusive Igneous Rock
Sedimentary Breccia
Breccia (Clastic Sedimentary Rock)
Ferruginous Sandstone
Arenite with Iron-Oxide cement (Fe2O3 · nH2O)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Yellow Quartz (Citrine/Yellow Jasper)
Silicon Dioxide (SiO2)
Yellow Quartz (Citrinated Quartz)
Silicon Dioxide (SiO2)
Quartz Crystal Cluster
Quartz (Silicon Dioxide, SiO2)
Basalt Arrowhead (worked stone)
Aphanitic mafic volcanic rock (Basalt)
Granodiorite (Gneissic texture)
Granodiorite (containing Quartz SiO2, Plagioclase Feldspar, and Biotite)
Jasper in Quartz (River Cobble)
Silicon Dioxide (SiO2) with Ferric Iron inclusions
Basalt River Cobble
Basalt (Aphanitic Mafic Volcanic Rock)
Bismuth Crystal
Bismuth (Bi)
Banded Calcite (often sold as 'Travertine' or 'Mexican Onyx')
Calcium Carbonate (CaCO3)
Blue Goldstone
Aventurine Glass (Silicon Dioxide infused with Cobalt/Copper)
Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Quartz Pebble (with Iron Inclusions)
Silicon Dioxide (SiO2)
Pyrite in Quartz
Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)
Rough Diamond
Diamond (pure Carbon, C)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3/FeO(OH) cementing agents)
Quartz (Engineered Stone Countertop)
Silicon Dioxide (SiO2) within a resin matrix
Biotite (Mica)
Biotite group (K(Mg,Fe)3AlSi3O10(F,OH)2)
Raw Citrine
Citrine (Silicon Dioxide, SiO2)
Dyed Agate (Tumbled)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Diamond
Natural Carbon (C)
Desert Rose (also known as Sand Rose)
Gypsum (CaSO4·2H2O) or Barite (BaSO4) with sand inclusions
Turquoise
Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Diamond
Diamond (C)
Jasper
Silicon Dioxide (SiO2)
Green Quartz (Prasiolite/Adventurine)
Silicon Dioxide (SiO2) with inclusions
Basalt
Mafic Igneous Rock
Sandstone
Sandstone (arenite is a more specific geological term for a clean sandstone, while wacke refers to a dirty sandstone with significant matrix)
Coquina
Coquina (Bioclastic Limestone)
Fulgurite
Fulgurite (Lechatelierite), amorphous SiO2
Slate
Slate (Low-grade foliated metamorphic rock)
Smoky Quartz Geode Cluster
Silicon Dioxide (SiO2)
Chert (Yellow/Tan Variety)
Chert (SiO2)
Granite
Granite (Felsic Plutonic Rock)
Gold Nugget
Native Gold (Au)
Quartz
Silicon Dioxide (SiO₂)
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).