Pyrite
Iron Pyrite (FeS₂)
Category
Browse mineral (man made aura treatment) specimens identified by the Rock Identifier community.
Pyrite
Iron Pyrite (FeS₂)
Blue Quartzite
Quartzite (specifically a variety enriched with blue-coloring minerals)
Granite
Granite (a common rock type, not a single mineral species)
Granite Cobble
Phaneritic Plutonic Felsic Rock
Water and Silt (Sedimentary Environment)
Suspended Sediment / H2O (dihydrogen monoxide)
Milky Quartz
Silicon Dioxide (SiO2)
Limonite (Iron Ore)
Limonite (an FeO(OH)·nH2O mineraloid, not a true mineral due to variable composition)
Mica Schist
Foliated Metamorphic Rock (rich in Muscovite or Biotite)
Queen Conch Shell (Biogenic Calcium Carbonate)
Aliger gigas (synonym Strombus gigas); Composition: Aragonite (CaCO3)
Veined Quartz
SiO2 (Silicon Dioxide)
Seraphinite
Clinochlore (a variety of the chlorite group)
Epidote with Quartz and Feldspar
Ca2(Al2,Fe3+)(SiO4)3(OH) (Epidote complex)
Quartz Druzy Geode
Silicon Dioxide (SiO2) - Crystalline Variety
Jasper with Quartz inclusion
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Limonite (Iron Ore/Hydrated Iron Oxide)
Limonite (mixture of FeO(OH)·nH₂O minerals, mainly Goethite, FeO(OH) and Lepidocrocite, FeO(OH))
Quartz
Silicon Dioxide (SiO2)
Amethyst
Amethyst (SiO₂)
Quartz (vein quartz)
SiO2 (Silicon Dioxide)
Quartz (likely Rose Quartz or Milky Quartz based on color)
Quartz (SiO2 - Silicon Dioxide)
Flint
Chert (a form of cryptocrystalline quartz, chemical formula SiO₂)
Chert (variations include Flint/Novaculite)
Chert (formula: SiO2)
Chert (often called Flint for darker varieties)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Banded Chert / Banded Jasper (likely a variety of Chert/Chalcedony)
Chert (microcrystalline quartz)
Diamond
Diamond (pure carbon; C)
Schorl (Black Tourmaline) in Quartz or Feldspar Matrix
NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl) in Granitic Pegmatite
Turquoise (beads)
Turquoise; CuAl6(PO4)4(OH)8·4H2O
Calcite
Calcite (Mineral, Calcium Carbonate - CaCO3)
Smoky Quartz
SiO2 (Silicon Dioxide)
Quartz
Silicon Dioxide (SiO₂)
Soapstone
Steatite (primarily composed of Talc, Mg₃Si₄O₁₀(OH)₂)
Quartz
Quartz (SiO₂)
River Cobble (Phyllite or Quartzite)
Metasedimentary Rock (often containing SiO2 or KAl2(AlSi3O10)(OH)2)
Quartz (Druzy) in host rock
SiO₂ (Silicon Dioxide) as Quartz, with unspecified host rock components (likely silicates and iron oxides)
Quartz (likely a form of massive or vein quartz)
Quartz (SiO₂)
Magnetic Hematite
Magnetized Hematite (an iron oxide mineral, Fe2O3, that has undergone magnetization)
Green Aventurine and Clear Quartz
Aventurine (variety of Quartz - SiO2) and Quartz (SiO2)
Quartz
Quartz (SiO2 - Silicon Dioxide)
Rose Quartz
Silicon Dioxide (SiO2) with trace Titanium, Manganese, or Iron
Fluorite (likely)
Calcium Fluoride (CaF2)
Garnet Schist
Almandine Garnet-Mica Schist (X₃Y₂(SiO₄)₃)
Jade
There are two distinct minerals commonly known as Jade: Jadeite (NaAlSi2O6) and Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2). Based on the appearance, these spheres are likely Nephrite.
Serpentinite (Serpentine Rock)
Serpentinite is a rock composed of one or more serpentine group minerals, chiefly antigorite, chrysotile, and lizardite, with the general formula (Mg,Fe)3Si2O5(OH)4. Often includes other minerals like magnetite, talc, and chromite.