Metamorphic Rock (For Both Nephrite And Jadeite)

Lapis Lazuli

Lapis Lazuli (Complex aggregate mainly of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (SiO2)

Mica Schist

Mica Schist (predominantly Muscovite or Biotite sheet silicates)

Granitic Gneiss

Gneiss (Polymetamorphic Granitic Gneiss)

Quartzite

Quartzite (SiO2)

Serpentine

Antigorite / Lizardite / Chrysotile (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Quartzite

Quartzite (primarily SiO2)

Quartzite

Quartzite (SiO2)

Quartzite Pebble

Quartzite (primarily SiO2)

Quartzite Pebble (Beach Stone)

Quartzite (primarily SiO2)

Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (SiO2)

Yellow Quartzite

Quartzite (SiO2)

Schist (Garnet-Mica Schist)

Garnet-Mica Schist (X-Y)3Z2(SiO4)3

Quartzite Pebble

Quartzite (primarily SiO2)

Quartzite Pebble

Quartzite (primarily SiO2)

Lapis Lazuli

Na8(Al6Si6O24)S2 (Lazurite is the primary constituent mineral)

Quartz (Milky or Clear variety)

Silicon Dioxide (SiO2)

Quartz (Milk Quartz / Massive Quartz)

Silicon Dioxide (SiO2)

Iron-stained Quartzite / Chert

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

Schist

Schist (primarily mica-schist)

Quartzite (Milky Quartz pebble)

Silicon Dioxide (SiO2)

Red Quartzite / Metasandstone River Pebble

Quartzite (primarily SiO2 with hematite inclusions)

Quartzite River Rock

Quartzite (Silicon Dioxide, SiO2)

River Cobble (Quartzite with Iron Staining)

Metamorphic Quartzite (SiO2 with Fe2O3 inclusions)

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Red Jasper

Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)

Amethyst

Silicon Dioxide with Iron impurities (SiO2)

Amethyst (Chevron or Banded Amethyst)

Silicon Dioxide (SiO2) with iron impurities

Quartz (Milky/Vein Quartz)

Silicon Dioxide (SiO2)

Smoky Quartz (with possible Feldspar inclusions)

Silicon Dioxide (SiO2)

Quartzite pebble

Quartzite (SiO2 dominated)

Almandine Garnet

Iron aluminum silicate (Fe3Al2(SiO4)3)

Quartzite

Quartzite (SiO2)

Slate

Slate (Metamorphosed Mudstone/Shale)

Quartzite

Quartzite (primarily SiO2)

Blue Quartz (Aventurine)

Silicon Dioxide (SiO2) with fibrous inclusions (commonly Dumortierite)

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Gold Ore in Quartz/Schist

Auriferous Quartz and Sulfide-bearing Schist

Quartzite

Quartzite (primarily SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)