Quartzite
Metamorphic Rock consisting chiefly of Quartz (SiO2)
metamorphic
Category
Igneous, Metamorphic, Sedimentary
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Greenschist
Greenschist (Chlorite Schist)
metamorphic
Milky quartz (likely quartz fragment)
Quartz, silicon dioxide (SiO₂)
mineral
Clear quartz crystal fragments
Quartz (silicon dioxide, SiO₂)
mineral
Emerald
Beryl (Be3Al2(SiO3)6)
gemstone
Hematite
Hematite (Fe2O3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Amethyst (or Light Amethyst / Rose Quartz)
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz Pebble with Hematite Inclusion
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2
mineral
Ruby
Corundum (Al2O3 with Chromium trace)
gemstone
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Gold
Native Gold (Au)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz with Mica (Muscovite or Biotite)
Silicon Dioxide (SiO2) with Phyllosilicates
mineral
Yellow Quartz (Citrine alternative)
Silicon Dioxide (SiO2) with iron impurities
mineral
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
gemstone
Sapphire
Corundum (Al2O3)
gemstone
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Labradorite (Polished Sphere)
Labradorite ((Ca, Na)(Al, Si)4O8)
mineral
Ruby (or potential synthetic/imitation)
Corundum (Al2O3)
gemstone
Black Tourmaline (Schorl)
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Rough Sapphire (possibly Yellow/Green Corundum)
Corundum (Al2O3)
mineral
Green Aventurine
Silicon Dioxide (Quartz variety) with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Citrine
Silicon dioxide (SiO2)
mineral
Blue Quartz
Quartz (Silicon Dioxide) with inclusions, SiO2
mineral
Amazonite
Potassium Feldspar (KAlSi3O8)
mineral
Peach Moonstone
Feldspar (KAlSi3O8) with inclusions
mineral
Amethyst (Raw)
Amethyst (Silicon Dioxide with Iron impurities, SiO2)
mineral
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
mineral
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
mineral