Man-made Slag (Industrial Byproduct)
Anthropogenic Glassy Residue
Category
Browse man made alloy (metallic) specimens identified by the Rock Identifier community.
Man-made Slag (Industrial Byproduct)
Anthropogenic Glassy Residue
Pyrite
Iron Disulfide (FeS2)
Opalite
Man-made synthetic glass with opalescent effects (SiO2 + metal oxides)
Slag Glass (Cullet)
Amorphous Silica (man-made), primarily SiO2 with trace metal oxides
Man-made Ceramic / Clay Figurine
Aluminosilicate Ceramic (Processed Clay)
Glass / Silicon Dioxide (Man-made)
SiO2 (Amorphous Silicon Dioxide)
Bog Iron / Limonite Concretion
Goethite/Limonite mixture (FeO(OH)·nH2O)
Cullet Glass (Strawberry Glass)
Amorphous Silicon Dioxide (SiO2) with metallic dopants
Red Slag Glass (Cullet)
Amorphous Silicon Dioxide (SiO2) with metallic dopants
Basalt
Basalt (Mafic volcanic rock)
Basalt
Basalt
Silver (Native Silver Mineral)
Ag (Native Silver), Alloyed 90% Ag / 10% Cu
Green Agate
Silicon dioxide (SiO₂)
Sunstone
Andesine-Labradorite Feldspar ((Ca,Na)(Al,Si)4O8)
Goldstone (blue-goldstone–style glass) beads
Artificial aventurine glass, typically silica glass with copper inclusions; not a natural mineral
Slate
Metamorphic Pelitic Rock
Silver (Jewelry form)
Native Silver (Ag)
Bismuth Crystal
Bismuth (Bi)
Brick
Fired clay or Ceramic material (no specific mineralogical scientific name as it's a composite)
Basalt
Basalt (Mafic volcanic rock)
Pyrite
Iron Sulfide (FeS2)
Man-made Synthetic Material (Not a rock or mineral)
Polyester (Polyethylene terephthalate) / Faux Fur
Man-made Synthetic Material (Costume Faux Fur)
Synthetic Polymer (Polyester/Acrylic)
Blue Sapphire (Synthetic or Man-made Glass Imitation)
Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic
Terracotta (Man-made ceramic brick fragment)
Baked clay / High-iron ceramic (Silicate-based ceramic)
Iron Meteorite
Iron Meteorite (primarily Kamacite and Taenite, Fe-Ni alloys)
Graphite
Graphite (Carbon, C)
Crushed Stone / Gravel
Aggregatus saxum (variable mineral composition)
Gold
Native Gold (Au)
Green Aura Quartz (Titanium treated Kyanite or Quartz)
Silicon Dioxide (SiO2) or Aluminum Silicate (Al2SiO5) with Titanium/Metal Oxide coating
Synthetic Blue Aura Quartz
Silicon Dioxide (SiO2) with Metallic Infusion
Pyrite
Iron Sulfide (FeS2)
Diamond in Gold Setting
Diamond (C - pure carbon)
Blue Goldstone
Aventurine Glass (Silicon Dioxide with metal inclusions)
Pyrite
Iron Sulfide (FeS2)
Goldstone (Red)
Aventurine Glass
Sunstone
Aventurine Feldspar (Plagioclase Feldspar with inclusions)
Lepidolite in Quartz Matrix
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Basalt
Basalt (comprising Plagioclase feldspar, Pyroxene, and Olivine)
Pyrulite (Pyrite / Chalcopyrite)
Iron Sulfide (FeS2) or Copper Iron Sulfide (CuFeS2)
Pyrite
Iron Sulfide (FeS2)
Blue Goldstone
Aventurine Glass