Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Category
Igneous And Metamorphic
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Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Cobble (River Rock)
Silicon Dioxide (SiO2)
mineral
Muscovite Mica
Muscovite / KAl2(AlSi3O10)(OH)2
mineral
Citrine
Silicon dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Moonstone (Blue Flash)
Potassium Aluminum Silicate (KAlSi3O8), a variety of Orthoclase Feldspar
mineral
Rainbow Moonstone with Black Tourmaline
White Labradorite (Feldspar variety, (Na,Ca)(Al,Si)4O8) with Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebbles
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Likely quartz cluster with iron staining
Quartz (SiO₂), possibly with calcite or feldspar inclusions
mineral
Quartz pebble
Quartz (SiO2)
sedimentary
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2 with Iron impurities)
mineral
Blue Apatite
Apatite (Ca5(PO4)3(F,Cl,OH))
mineral
Moonstone
Adularia / Orthoclase (KAlSi3O8)
mineral
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite inclusions
mineral
Smoky Quartz
Quartz (Silicon Dioxide) - SiO2
mineral
Citrine
Silicon Dioxide (SiO2)
mineral
Strawberry Quartz
Quartz with Hematite or Goethite inclusions (SiO2 + inclusions)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
mineral
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral/gemstone
Citrine Quartz
Silicon dioxide (SiO2)
mineral
Moonstone
Orthoclase Feldspar (containing Albite lamellae), (KAlSi3O8)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Black Tourmaline (Schorl)
Sodium Iron Aluminum Borosilicate (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Moonstone (Feldspar)
Orthoclase or Oligoclase (KAlSi3O8)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Quartz River Pebble
Silicon Dioxide (SiO2)
mineral
Biotite (Black Mica)
Biotite - K(Mg,Fe)3(AlSi3O10)(OH)2
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral