Geodude
Geodude (Rock Pokémon: No. 74)
Category
Browse mineral like byproduct (often mistaken for igneous rock or meteorite) specimens identified by the Rock Identifier community.
Geodude
Geodude (Rock Pokémon: No. 74)
Banded Slag Glass (Leland Blue/Frankfort Green style)
Anthropogenic Glass Specimen (Amorphous Silicon Dioxide with impurities)
Sandstone Concretion
Clastic Sedimentary Concretion (typically Quartz/Silica with Iron Oxide)
Blue Obsidian (Cullet Glass)
Silicon Dioxide (Amorphous Glass)
Vesicular Basalt (Iron Scoria)
Aphanitic Mafic Igneous Rock with Vesicular Texture
Quartzite with Dendritic Manganese Oxide Inclusions
Metamorphic Quartzite (SiO2 with Mn-oxides)
Sandstone with Dendritic Inclusions
Quartzose Sandstone
Dyed Dalmatian Stone
Aplite (Alkali-feldspar granite) with Arfvedsonite
Dalmatian Jasper
Peralkaline rhyolite with Arfvedsonite inclusions
Aluminum Slag
Anthropogenic Aluminum (Al)
Chalcopyrite in River Pebble (Pebble with Pyrite/Fool's Gold inclusions)
CuFeS2 in fine-grained igneous host rock (Basalt / Andesite)
Manganese Dendrite on Siltstone
Manganese Oxide (pyrolusite or psilomelane) Dendrites
Native Gold (in the form of jewelry)
Gold (Au)
Limonite / Goethite Ironstone Concretion
FeO(OH)·nH2O (Hydrated Iron Oxide)
Olivine (Peridot when gem-quality)
Olivine Group (Magnesium Iron Silicate, (Mg,Fe)2SiO4)
Eucrite Meteorite
Achondrite (Eucrite)
Blue Apatite
Fluorapatite / Ca5(PO4)3F
Weathered quartz-rich rock fragment
Likely quartz-bearing sandstone or granitic rock; exact identification is uncertain from the image
Gold Nugget
Native Gold (Au)
Slag Glass
Amorphous Silica Glass (with metal oxide inclusions)
Ironstone Concretion / Limonite Node
Goethite and Limonite (FeO(OH) nH2O)
Basalt or Slag
Extrusive Igneous Rock / Industrial Slag
Olivine (Dunite)
(Mg,Fe)2SiO4 (Magnesium Iron Silicate)
Olivine in Basalt (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4 in Vesicular Basalt
Chondrite Meteorite
L3 Chondrite (Unequilibrated Ordinary Chondrite)
Green Fluorite
Calcium Fluoride (CaF2)
Olivine (Peridot when gem-quality)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Iron Meteorite (likely Chondrite or Iron-Nickel fragment)
Siderite (Iron Meteorite), primarily Fe-Ni (Iron-Nickel) alloy
Quartz Pebble (Iron-Stained)
Crystalline Silicon Dioxide (SiO2)
Black Beauty Meteorite
NWA 7034 (Northwest Africa 7034)
Cullet Glass (Strawberry Glass)
Amorphous Silicon Dioxide (SiO2) with metallic dopants
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Olivine (Peridot)
Olivine (Mg, Fe)2SiO4
Peridot (Olivine)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Diorite
Intermediate Phaneritic Igneous Rock (Diorite)
Concretion (Sandstone)
Carbonate-cemented Sandstone Concretion
Sodalite
Na8(Al6Si6O24)Cl2
Manganese-coated Sandstone
Clastic sedimentary rock with Manganese Oxide (often Pyrolusite or Psilomelane)
Diorite (Salt and Pepper Rock)
Diorite
Green Slag Glass
Cullet (Amorphous Silicon Dioxide with impurities)
Green Slag Glass
Amorphous Silica Glass (Anthropogenic)
Dendrite (Manganese Oxide Dendrites)
Psilomelane or Pyrolusite on Matrix (typically MnO2)