Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Category
Browse mineral (found in igneous and metamorphic rocks) specimens identified by the Rock Identifier community.
Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Quartz Crystal (Citrine / Golden Quartz)
Silicon Dioxide (SiO2)
Epidote
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Garnet
Garnet Group (Silicate Minerals), formula varies e.g., Alm: Fe3Al2(SiO4)3
Yellow Sapphire or Citrine
Al2O3 (Corundum) or SiO2 (Quartz)
Black Tourmaline (Schorl)
Schorl (Complex sodium iron aluminum borosilicate)
Milky Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Quartz (SiO2) with Fuchsite inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
Milky Quartz
Silicon Dioxide (SiO2)
Tumbled Amethyst
Quartz (Silicon Dioxide, SiO2)
Pyrite
Iron Sulfide (FeS2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Amethyst
Quartz (SiO2) with iron impurities
Muscovite Mica (with Quartz)
Muscovite (KAl2(AlSi3O10)(OH)2)
Black Tourmaline (Schorl)
NaFe3Al6(BO3)3Si6O18(OH)4
Blue Apatite
Fluorapatite / Chlorapatite [Ca5(PO4)3(F,Cl,OH)]
Biotite Mica
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2)
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Blue Apatite
Fluorapatite / Apatite Group Ca5(PO4)3(F,Cl,OH)
Citrine
Citrine (Silicon Dioxide - SiO2)
Yellow Quartz (Citrinated Quartz)
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
Magnetite or Hematite Nodule
Iron Oxide (Fe3O4 or Fe2O3)
Sodalite
Na8(Al6Si6O24)Cl2
Epidote
Epidote ({Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH))
Blue Apatite
Apatite Group (Ca5(PO4)3(F,Cl,OH))
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Quartz with Epidote
Silicon dioxide (SiO2) with Calcium aluminum iron silicate (Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH))
Milky Quartz Pebble with Iron staining
Silicon Dioxide (SiO2)
Zircon
Zircon (Zirconium Silicate - ZrSiO4)
Quartz pebble
Silicon dioxide (SiO2)
Sapphire
Corundum (Al₂O₃) with trace elements causing color variations.
Assorted Decorative Tumbled Stones (Quartz, Sodalite, Aventurine, Calcite)
Mixed Silicates and Carbonates (SiO2, Na8(Al6Si6O24)Cl2, CaCO3)
Mixed Mineral Collection (with Titanium Aura Quartz)
Silicon Dioxide (SiO2) with metallic coatings and various silicates
Moonstone (Feldspar)
Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8)
Amethyst
Amethyst (Silicon Dioxide with iron impurities, SiO2)