Mineral (Metamorphic Pseudomorph)

Garnetiferous Quartzite (Garnet Gneiss Pebble)

Garnet-bearing Quartzite or Quartz-Feldspar Gneiss

Blue Sapphire

Corundum (Al2O3)

Clear Quartz

Silicon Dioxide (SiO2)

Pink Marble or Rose Quartz (Likely Pink Marble based on carving texture)

Recrystallized Calcite (CaCO3)

Ruby in Fuchsite

Corundum (Al2O3) in Chrome-Mica (KAl2(AlSi3O10)(OH)2)

Fulgurite

Fulgurite (Lechatelierite), amorphous SiO2

Lapis Lazuli

Na8[Al6Si6O24]n(S,Cl,SO4,OH)2 (Lazurite and other associated minerals)

Tiger Iron

Tiger Iron (composite of Tiger's Eye, Red Jasper, and Hematite)

Fuchsite on Quartzite

Muscovite (Chromium-bearing) K(Al,Cr)2(AlSi3O10)(OH)2

Fuchsite on Quartz

Muscovite (KAl2(AlSi3O10)(OH)2) with Chromium impurities

Blue Quartzite

Quartzite with inclusions (SiO2)

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Schist/Phyllite

Metamorphic Schist (Chlorite Schist variety)

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 (Common Milky Quartz)

Silicon Dioxide (SiO2)

Quartz (Iron-Stained)

Silicon Dioxide (SiO2)

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Lapis Lazuli

Lapis lazuli (a rock primarily composed of Lazurite, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Quartzite with inclusions

Metamorphosed Quartz-rich Rock (SiO2)

Gneiss

Gneissic Metamorphic Rock

Nuummite

Orthorhombic amphibole (Gedrite and Anthophyllite mixture) - (Mg,Fe)7Si8O22(OH)2

Nuummite

Nuummite (ortho-amphibole rock)

Dragon Blood Jasper

Epidote-rich Quartzite (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))

Banded Metamorphic Rock (likely Quartzite or Serpentinite/Soapstone)

Metamorphic Rock (possibly a banded Quartzite or a foliated Serpentinite/Talc Schist based on appearance, general term for such a rock is 'Banded Metamorphic Rock' or 'Gneiss' if pronounced banding of different minerals)

Slate

Foliated Metamorphic Rock (primarily composed of quartz, illite, chlorite, and micas)

Schist

Crystalline Metamorphic Rock (Schistose)

Ferruginous Quartz (Iron-stained Quartzite)

Silicon Dioxide (SiO2) with iron oxide inclusions

Quartz vein in Host Rock

Crystalline Silicon Dioxide (SiO2) in Lithic Matrix

Garnet (Almandine)

Almandine, Fe3Al2(SiO4)3

Gneiss

High-grade metamorphic rock (Gneiss)

Jadeite (Jade)

Jadeite, NaAlSi2O6

Milky Quartz Pebbles

Silicon Dioxide (SiO2)

Garnet (almandine or pyrope variety)

Silicate mineral Group: (Fe, Mg, Mn, Ca)3(Al, Fe, Cr)2(SiO4)3

Clear Quartz (Rock Crystal)

Quartz (Silicon Dioxide, SiO2)

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Citrine Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Smoky Quartz (Rough Specimen)

Silicon Dioxide (SiO2)

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)