Granite

Lepidolite in Quartz (Lithium-bearing Ore)

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) and Quartz (SiO2)

Rose Quartz

Silicon Dioxide (SiO2) with trace impurities of Titanium, Manganese, or Iron

Rough Aquamarine

Beryl (Be₃Al₂Si₆O‑₁•H₂O)

Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Coarse-grained Quartz with Feldspar inclusions

Crystalline Quartz (SiO2) with Orthoclase/Plagioclase Feldspar inclusions

Quartz (specifically Rose or Smoky tinted Quartz)

Silicon Dioxide (SiO2)

Diorite (River Cobble)

Intrusive Igneous Diorite

Ferruginous Quartz (Iron-stained Quartz)

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

Quartz (Milky or Cloudy Quartz)

Quartz (Silicon Dioxide, SiO2)

River Stone (River Pebbles)

Alluvial Deposit (typically Quartzite, Sandstone, or Granite clasts)

Amazonite in Matrix

Potassium Feldspar (Microcline), KAlSi3O8

Quartz with Mica inclusions (likely Schist or Gneiss host)

Silicon Dioxide (SiO2) with Phyllosilicates (KAl2(AlSi3O10)(OH)2)

Sunstone

Oligoclase or Andesine (Plagioclase Feldspar) - (Ca, Na)((Al, Si)2Si2O8)

Rough Green Tourmaline (Verdelite)

Elbaite (Complex Borosilicate), Na(Li,Al)3Al6(BO3)3Si6O18(OH)4

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Smoky Quartz (Tumbled)

Silicon Dioxide (SiO2)

Sunstone

Aventurine Feldspar (composition: (Ca,Na)((Al,Si)2Si2O8))

White Topaz

Aluminum Silicate Fluoride Hydroxide, Al2SiO4(F,OH)2

Amazonite

Microcline (KAlSi3O8) with Trace Elements

Aquamarine

Beryl (Be3Al2Si6O18 with iron impurities)

Muscovite Mica in Quartz Matrix

Muscovite (KAl2(AlSi3O10)(OH)2) in Quartz (SiO2)

Muscovite (Mica) in Quartz Matrix

Muscovite (KAl2(AlSi3O10)(OH)2) and Quartz (SiO2)

Aquamarine

Beryl (Be3Al2Si6O18 with iron impurities)

Black Tourmaline in Quartz

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4) in Silicon Dioxide (SiO2)

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Quartz

Silicon Dioxide (SiO₂)

Beach Quartz Pebble

Quartz (Silica - SiO2)

Muscovite Mica (in Quartz/Feldspar Matrix)

Muscovite - KAl2(AlSi3O10)(OH)2

Milky Quartz

Silicon Dioxide (SiO2)

Rose Quartz Sphere

Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese

Yellow Quartz (Citrine Quartz variety / Ferruginous Quartz)

Silicon Dioxide (SiO2) with iron inclusions

Iolite (Cordierite)

Magnesium Iron Aluminum Silicate (Mg,Fe)2Al4Si5O18

Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Rose Quartz

Silicon dioxide (SiO2)

Alexandrite in Matrix

Chrysoberyl (BeAl2O4 with Chromium impurities)

Aquamarine on Feldspar Matrix

Beryl (Be3Al2Si6O18) with Potassium Feldspar (KAlSi3O8)

Lapis Lazuli

Na8[Al6Si6O24]n(S,Cl,SO4,OH)2 (Lazurite component)

Quartz Pebble

Silicon Dioxide (SiO2)

Green Tourmaline

Verdelite (Silicate mineral); Na(Li,Al)3Al6(BO3)3Si6O18(OH)4

Aquamarine

Beryl (Be3Al2Si6O18 with iron impurities)

Rose Quartz

Silicon Dioxide (SiO2)

Lapis Lazuli

Lapis Lazuli (Rock composed primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)