Igneous

Dalmatian Stone

Dalmatian Stone (formerly called Dalmatian Jasper)

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Basalt

Basalt (Mafic volcanic rock)

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Dalmation Stone

Peralkaline Rock (Microcline Quartz mixture with Arfvedsonite)

Dalmatian Jasper (Dalmatian Stone)

Peralkaline Rock with Feldspar and Arfvedsonite

Dalmation Stone

Peralkaline Rock (SiO2 with Arfvedsonite)

Granite

Granite (Felsic Plutonic Rock)

Milky Quartz

Silicon Dioxide (SiO2)

Granite

Phaneritic plutonic rock (SiO2 + Al2O3)

Granite

Granite (Phaneritic igneous rock)

Mahogany Obsidian

Volcanic Glass with Hematite or Magnetite inclusions (SiO2 + Fe2O3)

Granite

Granite (Mainly Quartz SiO2 and Feldspar KAlSi3O8)

Granite Pebble

Phaneritic Felsic Igneous Rock

Granite

Phaneritic Felsic Intrusive Rock

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Gabbro

Plutonic mafic rock

Milky Quartz

Crystalline Quartz (SiO2)

Magnetite / Iron Ore

Magnetite (Fe3O4)

Gabbro (Stream-rounded Pebble)

Gabbro (Phaneritic Mafic Igneous Rock)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Aquamarine

Beryl (Be3Al2Si6O18 with Fe2+ impurities)

Milky Quartz

Silicon Dioxide (SiO2)

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Quartz pebble / River stone

SiO2 (Silicon Dioxide)

Pyrite in Matrix (Fool's Gold)

Iron Sulfide (FeS2)

Sodalite

Na8(Al6Si6O24)Cl2

Granite

Granite (a plutonic rock)

Massive Quartz with Host Rock

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Magnetite (Iron Ore)

Magnetite (Fe3O4)