Citrine
Crystalline Quartz (SiO2) with iron impurities
mineral
Category
Metamorphic Or Sedimentary
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Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2)
mineral
Blue Tiger's Eye
Silicified Riebeckite (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Sunstone
Oligoclase (Feldspar variety), (Na,Ca)(Si,Al)4O8
mineral
Tiger's Eye
SiO2 (Silicon Dioxide) with fibrous crocidolite inclusions
mineral
Peach Moonstone
Potassium Aluminum Silicate, KAlSi3O8
mineral
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Smoky Quartz
SiO2 (Silicon Dioxide)
mineral
Quartz Mineral
Silicon Dioxide (SiO2)
mineral
Citrine
Citrine (Silicon Dioxide - SiO2)
mineral
Aventurine (Green Quartz)
Quartz with Fuchsite inclusions (SiO2 with K(Al,Cr)2(AlSi3O10)(OH)2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Agate
Chalcedony (SiO2)
Mineral
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
mineral
Sodalite
Na8(Al6Si6O24)Cl2 (Sodium Aluminum Silicate Chloride)
mineral
Smoky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Aquamarine
Beryl (Be3Al2Si6O18 with Fe2+ trace elements)
Mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Yellow Aventurine
Silica (SiO2) with inclusions
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Peacock Ore
Bornite (Cu5FeS4) or iridescent Chalcopyrite (CuFeS2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz with Iron Stains
Silicon Dioxide (SiO2) with FeOx inclusions
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (chiefly SiO2)
metamorphic
Greenstone (Altered Mafic Rock)
Greenschist / Meta-basalt
metamorphic
Dragon Blood Jasper (Lizard Stone/Septarian Chalcedony)
Epidote with Black Hornblende and White Quartz mixture
metamorphic
Pink Quartzite
Quartzite (SiO2 with iron oxide impurities)
metamorphic
Red Quartzite
Quartzite (Silicon Dioxide with Iron Oxide impurities, SiO2)
metamorphic
Mica Schist
Schist (Biotite/Muscovite dominant)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite with Milky Quartz Vein
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Orange Quartzite / Carnelian Agate
Silicon Dioxide (SiO2)
metamorphic
Quartzite
Quartzite (mostly SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic