Metamorphic Or Sedimentary Depending On Local Grade

Sandstone

Arenite (primarily SiO2)

Diamond (in jewelry setting)

Adamantine Carbon (C)

Chalcedony Nodule (Carnelian/Agate)

Chalcedony (Silicon Dioxide, SiO2)

Blue Calcite

Calcium Carbonate (CaCO3)

Blue Chalcedony

Silicon Dioxide (SiO2)

Wishing Stone (Quartz-Veined Pebble)

Hydrothermal Quartz in Metasedimentary Matrix (SiO2/Matrix)

Lapis Lazuli (prominent blue specimen in collection)

Lazurite-rich metamorphic rock (Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2

Quartzite

Quartzite (primarily SiO2)

White Jade (Nephrite or Jadeite)

Tremolite-Actinolite series (Nephrite) or NaAlSi2O6 (Jadeite)

Quartzite

Quartzite (primarily SiO2)

Quartzite Pebble

Quartzite (primarily Silicon Dioxide, SiO2)

Quartzite

Quartzite (SiO2 prominent)

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Nephrite Jade

Nephrite (a variety of the Calcium magnesium iron silicate mineral series Actinolite), Ca2(Mg, Fe)5Si8O22(OH)2

Greenstone (Rough Jadeite or Nephrite)

Sodium aluminum silicate (Jadeite) / Calcium magnesium iron silicate (Nephrite)

Greenschist (Greenstone)

Chlorite schist (primarily Chlorite-Epidote-Actinolite-Albite)

Quartzite

Quartzite (primarily SiO2)

Quartzite (specifically Pink or Red Quartzite)

Metamorphosed Quartz Sandstone (SiO2)

Lapis Lazuli

Lapis Lazuli (Complex silicate rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Pyrite, and Calcite)

Lapis Lazuli

Lapis Lazuli (A metamorphic rock primarily composed of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Orange Quartzite (Tumbled Beach Pebble)

Quartzite (primarily SiO2)

Milky Quartz (Common Quartz)

Quartz (Silicon Dioxide, SiO2)

Hag Stone

Perforated Chert (Microcrystalline Silica, SiO2)

Banded Calcite (often sold as Mexican Onyx or Aragonite)

Calcite/Aragonite (Calcium Carbonate, CaCO3)

Fossiliferous Rock (likely Dinosaur Fossil in Matrix)

Permineralized Vertebrate Fossil (Calcium Carbonate/Silica replaced bone material)

Aquamarine

Beryl (Be3Al2Si6O18)

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Pyrite

Iron Sulfide (FeS2)

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Garnet (almandine or pyrope variety)

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

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Lapis Lazuli Globe

Complex mixture of Lazurite ((Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2), Calcite, and Pyrite

Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)

Quartzite (Milky)

Quartzite (SiO2)

Tiger's Eye

Pseudomorph of Chalcedony (SiO2) after Crocidolite

White Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)

Lapis Lazuli

Lapis lazuli (complex rock composed of Lazurite, Calcite, and Pyrite)

Pink Quartzite

Quartzite (primarily SiO2)

Tiffany Stone

Bertrandite Fluorite (CaF2 + Be4Si2O7(OH)2)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals, Mg3Si2O5(OH)4)

White Marble

Recrystallized Calcite (CaCO3)

Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)