Hypersthene
Hypersthene ((Mg,Fe)SiO3)
Category
Browse man made glass (often grouped with minerals in lapidary) specimens identified by the Rock Identifier community.
Hypersthene
Hypersthene ((Mg,Fe)SiO3)
Quartz (Rose/Pink variety)
Silicon Dioxide (SiO2)
Slag (Anthropogenic Glass/Iron byproduct)
Ferro-silicate Slag
Diamond (Cluster Ring)
Carbon (C)
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
Garnet (specifically Almandine)
Almandine (Fe3Al2(SiO4)3)
Quartz with inclusions (likely Chlorite or Hornblende) and country rock
SiO2 (Quartz) with associated ferromagnesian minerals
Black Obsidian
Obsidian (Volcanic Glass, SiO2 + impurities)
Diamond
Carbon (C)
Cuprite
Cuprite (Copper(I) oxide, Cu2O)
Chert (Nodule)
Chert (SiO2)
Luminous Stone (Glow-in-the-dark Synthetic/Man-made Stone)
Strontium Aluminate tinted glass or resin (Crystalline silicate/oxide mix)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
Chalk
Calcium Carbonate (CaCO3)
Chert / Chalcedony
Silicon Dioxide (SiO2)
Quartz
Silicon dioxide (SiO₂)
Chert (Chocolate or Brown Flint)
Chert (SiO2)
Biotite / Black Mica
K(Mg,Fe)3(AlSi3O10)(F,OH)2
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Iron-stained Quartz
Silicon Dioxide with Iron Oxide (SiO2 with Limonite/Hematite impurities)
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
Granodiorite
Granodiorite (phaneritic intrusive igneous rock)
Echinoidea (Fossil Sea Urchin)
Echinodermata Echinoidea
Garnet
Almandine-Pyrope group, X3Y2(SiO4)3
Sandstone
Arenite
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
Almandine Garnet in Matrix
Almandine, Fe3Al2(SiO4)3
Potassium Feldspar
Orthoclase (KAlSi3O8)
Green Glass Slag
Amorphous Silicon Dioxide (SiO2) with metal oxide impurities
Glauconitic Sandstone (Greensand)
Glauconitic Quartz Arenite (containing Glauconite, (K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2)
Goldstone (Red)
Aventurine Glass
Sandstone
Arenite (composed primarily of SiO2)
Epidote
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
Tiger's Eye (Mineral Collection)
Tiger's Eye (SiO2 with crocidolite inclusions)
Sandstone
Arenite (composed primarily of SiO2)
Seraphinite
Clinochlore (a variety of the chlorite group)
Chert (Flint)
Silicon dioxide (SiO2)
Diamond (or Cubic Zirconia simulant)
Carbon (C) - Diamond / Zirconium dioxide (ZrO2) - CZ
Sandstone (with man-made markings)
Arenite (composed primarily of Quartz, SiO2)