Metamorphic Rock (For Both Nephrite And Jadeite)

Banded Gneiss

Gneiss (High-grade metamorphic rock typically composed of Quartz, Feldspar, and Biotite/Amphiboles)

Pebble (likely Quartz or Chert)

SiO₂ (Silicon Dioxide) - referring to the likely main mineral composition, Quartz. If it's chert, the scientific name remains SiO₂ with a microcrystalline structure.

Quartz (Milky or Cloudy Quartz)

Silicon Dioxide (SiO2)

Rock Crystal Quartz

Quartz (SiO₂)

Lapis Lazuli

Lapis Lazuli (a rock composed primarily of Lazurite)

Gneiss

Gneiss (a rock type, not a specific mineral with a formula)

Chakra Stone (Composite / Man-made Bonded Gemstones)

Composite of Quartz, Lapis Lazuli, Aventurine, Tiger's Eye, and Jasper (SiO2, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, etc.)

Green Aventurine in Host Rock

SiO2 (Quartz with Fuchsite inclusions)

River Stone / Pebble

Clastic Sediment (composed largely of Quartz, Feldspar, and various rock fragments)

Garnet

Garnet Group (complex nesosilicates with general formula X3Y2(SiO4)3, where X can be Ca, Mg, Fe2+, Mn2+ and Y can be Al, Fe3+, Cr3+, V3+)

Gneiss (specifically a Granitic Gneiss specimen)

Gneiss (high-grade metamorphic rock primarily composed of Quartz, Feldspar, and Biotite/Amphibole)

Aventurine (likely Green Aventurine)

Silicon Dioxide (SiO2) with mineral inclusions

Serpentinite (Serpentine Rock)

Serpentinite is a rock composed of one or more serpentine group minerals, chiefly antigorite, chrysotile, and lizardite, with the general formula (Mg,Fe)3Si2O5(OH)4. Often includes other minerals like magnetite, talc, and chromite.

Garnet-Mica Schist

Schist (variety with Almandine Garnet, Fe3Al2(SiO4)3)

Gold Ore

Native Gold (Au) in Matrix

Lapis Lazuli

Lapis Lazuli (a rock composed primarily of Lazurite, Sodalite, Calcite, and Pyrite)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartzite

Quartzite (mainly SiO2)

Veined Quartz

SiO2 (Silicon Dioxide)

Schist

Mica Schist (predominantly Muscovite or Biotite)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Banded Iron Formation

Banded Iron Formation (BIF)

Banded Gneiss (Variety of Gneiss)

Gneiss (specifically, a variety exhibiting prominent banding; mineral composition can vary, but often contains quartz, feldspar, mica, and amphibole)

Graphite

Graphite (Carbon, C)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Rough Emerald

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)

Epidote (likely Pistacite in Epidosite rock)

Epidote: Ca2(Al,Fe)3(SiO4)3(OH)

Quartzite

Quartzite (Primary mineral: SiO2)

Schist

Schist

Granodiorite (Gneissic Pebble)

Granodiorite displaying minor foliation

Pink Quartzite

Quartzite (SiO2 with iron oxide inclusions)

Pink Quartzite (Water-worn)

Quartzite (SiO2)

Garnet Beads

Garnet Group (complex nesosilicates, e.g., Almandine Fe3Al2(SiO4)3)

Agate

Agate (Cryptocrystalline Variety of Quartz, SiO2)

Limonite-stained Quartz / Quartzite

Silicon Dioxide (SiO2) with iron hydroxides (FeO(OH)·nH2O)

Pyrite in Quartz

Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)

Serpentine

Serpentine Group Minerals (e.g., Antigorite, Chrysotile, Lizardite)

Quartzite (River-worn pebble)

Quartzite (Mainly SiO2)

Gold Ore in Matrix

Native Gold (Au) in Quartz/Host Rock

Quartz (Rock Crystal) with minor impurities

Quartz (SiO2)

Shungite (Noble/Type II)

Non-crystalline carbon (Fullerene-bearing carbonaceous rock)

Inspirational River Stone (Quartzite)

Metamorphosed Quartz-rich Rock (Quartzite) with SiO2 composition