Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
Category
Browse mineral with metamorphic or sedimentary host specimens identified by the Rock Identifier community.
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
Gray Agate
Cryptocrystalline Quartz (SiO2)
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Green Aventurine
Quartz variant (SiO2) with Fuchsite inclusions
Citrine
Silicon dioxide (SiO2)
Mica
Phyllosilicate (group name), typically Muscovite KAl2(AlSi3O10)(OH)2 or Biotite K(Mg,Fe)3(AlSi3O10)(OH)2
Sodalite
Na8(Al6Si6O24)Cl2
Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Tourmaline
Complex Borosilicate - Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 (Elbaite species)
Tiger's Eye
Titanium-containing Quartz (Silica: SiO2)
Sodalite
Sodalite [Na8(Al6Si6O24)Cl2]
Quartz (Milky to Clear)
Silicon Dioxide (SiO2)
Quartz (possibly Citrine or Smoky Quartz variety)
Silicon Dioxide (SiO2)
Rhodonite
Rhodonite; (Mn,Fe,Mg,Ca)SiO3
Black Tourmaline (Schorl)
Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)
Glaucophane-bearing Schist (Blueschist)
Blueschist (Glaucophane-Lawsonite Schist)
Smoky Quartz
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine or Quartzite Pebble)
Silicon Dioxide (SiO2)
Green Aventurine
Silicon dioxide (SiO2) with Fuchsite inclusions
Quartzite
Quartzite (primarily SiO2)
Pyrite
Iron Disulfide (FeS2)
Quartzite with Chlorite staining
Metamorphic Quartzite (SiO2 with Chlorite inclusions)
Garnet (Almandine)
Almandine Fe3Al2(SiO4)3
Lapis Lazuli
Lapis Lazuli (Complex aggregate containing Lazurite (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
Green Aventurine
Silicon Dioxide (Quartz) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(F,OH)2)
Green Aventurine
Aventurine Quartz (SiO2 with inclusions of Fuchsite mica)
Dumortierite Quartz (Blue Quartz)
Al7BO3(SiO4)3O3 (Aluminum Boro-silicate included in Quartz)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Agate (Polished Nodule)
Agate (Silicon Dioxide, SiO2)
Prehnite
Prehnite - Ca2Al(AlSi3O10)(OH)2
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Yellow Jade (Nephrite or Jadeite)
Nephrite: Ca2(Mg, Fe)5Si8O22(OH)2; Jadeite: NaAlSi2O6
Agate
Agate (Silicon Dioxide, SiO2)
Agate
Cryptocrystalline Quartz (SiO2)
Quartz (Iron-Stained or Milky Quartz)
Silicon Dioxide (SiO2)
Included Quartz Beads (likely Phantom Quartz or Garden Quartz)
Quartz (SiO2) with various mineral inclusions
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)