Red Garnet (Almandine-Pyrope series)
Garnet Group, Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Red Garnet (Almandine-Pyrope series)
Garnet Group, Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)
Geode (Small unopened nodule)
Quartz-lined nodule (SiO2)
Bornite
Cu5FeS4
Yellow Sapphire
Corundum (Al2O3) with iron impurities
Garnet (Rough Almandine Crystal)
Almandine Garnet (Fe3Al2(SiO4)3)
Nickel
Nickel (Ni)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Smoky Quartz with Feldspar
Quartz (SiO2) with Potassium Feldspar (KAlSi3O8)
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Agate
Silicon Dioxide (SiO2) - Banded Chalcedony
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
Sandstone (Quartzite-rich)
Clastic Sedimentary Rock (primarily SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Sandstone Pebble
Arenite (Siliclastic sedimentary rock)
Botryoidal Chalcedony (Agate)
Silicon Dioxide (SiO2)
Agate
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Sandstone
Arenite (SiO2 primarily)
Peacock Ore
Bornite (Cu5FeS4)
Sandstone
Arenite (SiO2 + various cementing minerals)
Sandstone
Arenite (composed mainly of SiO2)
Limonite Stained Basalt
Hydrated Iron Oxide on Mafic Volcanic Rock (FeO(OH)·nH2O)
Hematite
Hematite (Iron(III) oxide, Fe2O3)
Diamond (or Diamond Simulant)
C (Carbon) or synthetic equivalent
Pegmatite
Igneous Pegmatite (felsic intrusive rock)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) in matrix
Quartz with mica and feldspar (Pegmatite fragment)
Granitic Pegmatite (composed mainly of SiO2 with KAlSi3O8)
Schorl (Black Tourmaline) in Matrix
Sodium Iron Aluminum Borosilicate Hydroxide (NaFe2+3Al6Si6O18(BO3)3(OH)3OH)
Chalcedony Pebble
Cryptocrystalline Quartz (SiO2)
Fossil bivalve shell
Likely an internal mold or mineralized shell of a brachiopod or small bivalve; exact taxonomy requires locality and diagnostic details
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Zircon
Zircon (Zirconium Silicate - ZrSiO4)
Quartz with inclusions
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Garnet
Almandine (Fe3Al2(SiO4)3)
Quartz Pebble
Crystalline Silica (SiO2)
Sandstone
Arenite (primarily SiO2)
Quartzite
Quartzite (High-purity SiO2)
Quartz (Iron-Stained Quartz Pebble)
Silicon Dioxide (SiO2)
Schorl (Black Tourmaline) in Quartz and Feldspar
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Chalcedony (specifically Agate or Common Opal variety)
Cryptocrystalline Silica (SiO2)