Turquoise
CuAl6(PO4)4(OH)8·4H2O
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Turquoise
CuAl6(PO4)4(OH)8·4H2O
Amethyst
SiO2 (Silicon Dioxide)
Red Jasper
Jasper (a variety of Quartz, SiO2)
Magnetite (Small Granule)
Magnetite (Fe3O4)
Banded Agate (Chert/Chaldcedony)
Silicon Dioxide (SiO₂)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Sandstone
Arenite (primarily SiO2)
Obsidian
Volcanic Glass (70-75% SiO2)
Coarse Sand or Fine Gravel
Clastic Sediment (unconsolidated)
Rutilated Quartz
Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions
Manganese-coated Sandstone
Clastic sedimentary rock with Manganese Oxide (often Pyrolusite or Psilomelane)
Blue Lace Agate
Silicon Dioxide (SiO₂)
Pyrite
Iron Pyrite (FeS₂)
Gneiss
Gneiss (High-grade regional metamorphic rock)
Black Tourmaline
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Limonite (Iron Stone/Iron Ore)
FeO(OH)·nH2O (Hydrous ferric oxide)
Limonite (Iron Ore)
Hydrated ferric oxide (FeO(OH)·nH2O)
Lepidolite (in Quartz Matrix)
Lepidolite [K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2]
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Orpiment
Orpiment (As2S3)
Yellow Aventurine
Silicon Dioxide with inclusions (SiO2 + Muscovite/Fuchsite)
Limonite with Quartz (Gossan)
Hydrated iron(III) oxide-hydroxide mixture (FeO(OH)·nH2O) with Silicon Dioxide (SiO2)
Porphyritic Basalt (with Amygdales)
Amygdaloidal Porphyritic Basalt
Sandstone
Arenite
Prehnite
Prehnite Ca2Al2Si3O10(OH)2
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock)
Yellow Quartz (Chalcedony or Agate)
Silicon Dioxide (SiO2)
Amber
Succinite (specifically for Baltic amber); approximate formula C10H16O
Dendritic Agate
Silicon Dioxide with Manganese/Iron oxide inclusions (SiO2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within Sedimentary or Igneous Matrix
Jasper Marble
Silicon Dioxide (SiO2) with Impurities
Amber Inlay Jewelry
Fossilized Resin (C10H16O)
Schist
Mica Schist
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
Malachite
Malachite (Copper Carbonate Hydroxide) - Cu2CO3(OH)2
Obsidian
Volcanic Glass (Amorphous Silica)
Schist with Quartz Veins
Schist with Quartz (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Gneiss
Gneiss
Petrified Wood
Silicified wood (Quartz, SiO2)
Fossilized Angel Wing Shell
Cyrtopleura costata