Metamorphic Rock (For Nephrite And Some Jadeite); Mineral (For Jadeite)

Quartz vein in Host Rock

Crystalline Silicon Dioxide (SiO2) in Lithic Matrix

Sandstone

Sandstone (various mineral compositions)

Pebble

Clast (specifically a granule or small pebble)

Mica Schist

Mica Schist (predominantly Muscovite or Biotite sheet silicates)

Clear Quartz

Silicon Dioxide (SiO2)

Ferruginous Quartz Cobble

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Schist (Garnet-Mica Schist)

Garnet-Mica Schist

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Veined Pebble (likely a Quartz-Veined Pebble)

Pebble with Mineral Vein (e.g., Quartz Vein in a Chert/Mudstone Pebble)

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Mica Schist with Iron Staining

Mica Schist

Schist

Mica Schist

Gold Ore in Quartz/Schist

Auriferous Quartz and Sulfide-bearing Schist

Quartz / Calcite Vein Rock

Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)

Schist

Mica Schist

Epidosite

Epidosite (Metasomatic rock consisting mainly of Epidote and Quartz)

Epidosite (Epidote-rich rock)

Epidosite (consisting primarily of Epidote: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH))

Lapis Lazuli

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

Clear Quartz

Silicon Dioxide (SiO2) / Rock Crystal

Bauxite Ore

Hydrated aluminum oxides (e.g., Gibbsite Al(OH)3, Boehmite ̲̲̲̲AlOOH, Diaspore ̲̲̲̲AlOOH)

Quartz (Iron-Stained)

Silicon Dioxide (SiO2)

Quartz (Milky or Clear variety)

Silicon Dioxide (SiO2)

Tiger's Eye

SiO2 (Silicon Dioxide with inclusions of Goethite/Limonite)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Milk Quartz / Massive Quartz)

Silicon Dioxide (SiO2)

Dragon Blood Jasper (Epidote with Piedmontite or Quartz)

Epidote-rich Quartzite / SiO2 with (Ca2(Al2,Fe)(Si2O7)(SiO4)O(OH))

Schist

Mica Schist

Clear Quartz

Silicon Dioxide (SiO2)

Moonstone (Feldspar)

Orthoclase feldspar, (K,Na)AlSi3O8

Green Aventurine

Aventurine Quartz (SiO2 with inclusions of Fuchsite)

Muscovite Mica (Golden/Yellow variety)

KAl2(AlSi3O10)(F,OH)2

Smoky Quartz

Silicon Dioxide (SiO2)

Gneiss

Gneiss

Emerald in Matrix

Beryl (Be3Al2Si6O18) containing Chromium/Vanadium impurities

White Quartz

Silicon Dioxide (SiO2)

Milky Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

Quartz (Milky Quartz)

Silicon Dioxide (SiO₂)

Yellow Agate

Silicon Dioxide (SiO2)

Smoky Quartz Cluster

Smoky Quartz (Silicon Dioxide - SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Pink Feldspar

Orthoclase Feldspar (KAlSi3O8)

Milky Quartz (Druzy Geode fragment)

Silicon Dioxide (SiO2)