Basalt (River Pebble)
Basalt
Category
Browse anthropic metallic specimen specimens identified by the Rock Identifier community.
Basalt (River Pebble)
Basalt
Pyrite (on Quartz matrix)
Iron Disulfide (FeS2)
Labradorite (specifically Larvikite beads)
Plagioclase Feldspar (Na,Ca)(Si,Al)4O8
Basalt Pebble
Extrusive Mafic Igneous Rock
Ironstone Concretion
Ferruginous Sandstone / Siderite Concretion
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2
Pyrite in Quartz
Iron Disulfide (FeS2) in Silicon Dioxide (SiO2)
Sunstone (Heliolite)
Plagioclase Feldspar ((Ca,Na)(Al,Si)4O8)
Basalt
Basalt (Mafic igneous rock)
Basalt with Weathering Crust
Aphanitic Mafic Igneous Rock
Basalt Pebble
Basalt
Gold Nugget
Native Gold (Au)
Pyrite
Iron Sulfide (FeS2)
Schorl (Black Tourmaline) in Matrix
Sodium Iron Aluminum Borosilicate Hydroxide (NaFe2+3Al6Si6O18(BO3)3(OH)3OH)
Auriferous Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Basalt Pebble
Basalt
Basalt Pebble
Basalt (Mafic volcanic rock)
Rutilated Quartz
Silicon Dioxide with Titanium Dioxide (SiO2 with TiO2 inclusions)
Chondrite Meteorite
L3 Chondrite (Unequilibrated Ordinary Chondrite)
Limonite (Ironstone) Concretion
FeO(OH)·nH2O (Hydrous ferric oxide)
Pyrite with Calcite
Iron Disulfide (FeS2) with Calcium Carbonate (CaCO3)
Blue Goldstone
Aventurine Glass
Silicon Carbide (Carborundum)
Silicon Carbide (SiC)
Schorl (Black Tourmaline)
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide), NaFe3Al6(BO3)3Si6O18(OH)4
Sunstone (Orthoclase Feldspar variant)
Orthoclase (KAlSi3O8) with inclusions
Gold Nugget
Native Gold (Au)
Basalt
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
Basalt with Magnetite
Crystalline Basalt (Primarily Plagioclase and Pyroxene) with Magnetite (Fe3O4)
Limonite (Pseudomorph after Pyrite/Marcasite)
Hydrated Iron Oxide (FeO(OH)·nH2O)
Muscovite Mica (with Quartz)
Muscovite (KAl2(AlSi3O10)(OH)2)
Anthropogenic Heat Source (Electronic/Industrial Interface)
Thermal IR emission (Electronic infrastructure)
Sunstone
Feldspar (variety Oligoclase or Labradorite), (Ca,Na)(Al,Si)4O8
Fluorite
Calcium Fluoride (CaF2)
Diabase (also known as Dolerite)
Diabase
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Basalt Pebble
Extrusive mafic igneous rock; primarily (Ca, Na)(Mg, Fe, Al)Si2O6 and (Ca, Na)AlSi3O8
Labradorite
Labradorite (Plagioclase Feldspar Series) - (Ca, Na)(Al, Si)4O8
Pyrite in Matrix (Commonly called Fool's Gold)
Iron Sulfide (FeS2)
Basalt with Vesicular Surface
Basalt (Mafic Extrusive)
Basalt River Pebble
Extrusive Mafic Basalt
Chalcopyrite-bearing Ore
Chalcopyrite (CuFeS2)