Quartz (Crystal Fragment)
Quartz / Silicon Dioxide (SiO2)
mineral
Category
Metamorphic And Sedimentary
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Milky Quartz
Silicon Dioxide (SiO2)
mineral
Epidote
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
metamorphic
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Garnet
Garnet Group (often Pyrope or Almandine); X3Y2(SiO4)3
mineral
Quartz with Mica (likely Muscovite)
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide Fluoride
igneous/metamorphic
Quartzite
Quartzite (chiefly SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Muscovite Mica (with Quartz)
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Orange Quartz (Citrine Quartz)
Silicon Dioxide (SiO2) with iron impurities
mineral
Milky Quartz with Chlorite Schist Inclusions
Quartz (SiO2) with Chlorite Group silicates (typically (Mg,Fe)3(Si,Al)4O10(OH)2)
metamorphic
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (primarily SiO2)
sedimentary
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Black Tourmaline (Schorl)
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Rainbow Moonstone
White Labradorite (Feldspar variety)
mineral
Aquamarine
Beryl (Be3Al2Si6O18)
gemstone
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Unakite
Epidotized Granite
metamorphic
Polished Rhodonite Obelisk
Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn,Fe,Mg,Ca)SiO3
metamorphic
Aventurine
Silicon Dioxide (SiO2 with inclusions of Fuchsite mica)
mineral
Peacock Ore
Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2) with iridescent tarnish
mineral
Banded Agate (Gray/Brown)
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Aventurine Quartz (SiO2 with inclusions)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
White Moonstone (Scolicite or White Feldspar var. )
Lattice-structure Silicate (KAlSi3O8)
mineral
Aventurine
Aventurine Quartz (SiO2)
mineral
Aventurine Quartz
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sunstone
Feldspar (variety Oligoclase or Labradorite), (Ca,Na)(Al,Si)4O8
mineral
Amazonite
Microcline (KAlSi3O8) with lead impurities
mineral
Unakite
Epidotized Granite (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))
metamorphic
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Jadeite
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
mineral