Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Category
Metamorphic Rock (For Both Nephrite And Jadeite)
Browse metamorphic rock (for both nephrite and jadeite) specimens identified by the Rock Identifier community.
Blue Sapphire
Corundum (Al2O3)
mineral
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
mineral
Star Sapphire
Corundum (Al2O3) with Rutile inclusions
mineral
Citrine
Citrine (Silicon Dioxide, SiO2)
mineral
Clear Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Quartz / Milky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Schorl (Black Tourmaline)
NaFe3Al6Si6O18(BO3)3(OH)3OH (Iron tourmaline)
mineral
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Red Garnet
Almandine and Pyrope (Silicate minerals: Fe3Al2(SiO4)3 and Mg3Al2(SiO4)3)
mineral
Prehnite
Prehnite - Ca2Al(AlSi3O10)(OH)2
mineral
Mica (likely Muscovite)
Muscovite / KAl2(AlSi3O10)(OH)2
mineral
Citrine Quartz
Crystalline Quartz (SiO2 with iron impurities)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Epidote in Quartz
Epidote (Ca2(Al,Fe)3(SiO4)3(OH)) in Milky Quartz (SiO2)
metamorphic
Pyrite (Iron Pyrite)
Iron Sulfide (FeS2)
mineral
Schist
Schist (various compositions)
metamorphic
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Hematite
Hematite (Fe2O3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Black Diamond / Black Sapphire
Carbon (C) or Corundum (Al2O3)
mineral
Aventurine (Green)
Aventurine Quartz (SiO2 + Fuchsite inclusions)
mineral
Quartz (specifically Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold) in Matrix
Iron Sulfide (FeS2)
mineral
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn,Fe,Mg,Ca)SiO3
Mineral
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
mineral
Banded Agate (Lace Agate)
Agate (Variety of Cryptocrystalline Quartz), SiO2
mineral
Galena
Lead(II) sulfide (PbS)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with traces of Titanium, Iron, or Manganese
mineral
Smoky Quartz (with complementary stones in jewelry setting)
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Rough Quartz
Silicon Dioxide (SiO2)
mineral
Magnetite (potentially Hematite-rich)
Magnetite (Fe3O4)
mineral