Metamorphic Or Igneous (Context Dependent)

Dragon Blood Jasper

Epidote with Red Jasper (SiO2 + Ca2(Al,Fe)3(SiO4)3(OH))

Limonite (Iron Ore)

FeO(OH)·nH2O (Hydrous ferric oxide)

Jade (Jadeite/Nephrite)

NaAlSi2O6 (Jadeite) / Ca2(Mg,Fe)5Si8O22(OH)2 (Nephrite)

Onyx Marble (Banded Calcite)

Calcite (Calcium Carbonate, CaCO3)

Aquamarine (Beryl)

Beryllium aluminum silicate (Be3Al2Si6O18)

Assorted Semi-Precious Gemstone Crosses

Quartz, Silicates, Carbonates (various)

Green Aventurine

Silicon dioxide with Fuscite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)

Unakite

Epidotized Granite

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Schist

Mica Schist

Eclogite

Eclogite (Pyrope-Omphacite rock)

Lapis Lazuli

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

Quartzite

Quartzite (primarily SiO2)

Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (primarily SiO2)

Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (primarily SiO2)

Lapis Lazuli

Complex mixture of minerals, primarily Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2

Quartzite

Quartzite (primarily SiO2)

Lapis Lazuli

Lapis lazuli (primary mineral: Lazurite, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Quartzite

Quartzite (SiO2)

White Marble

Metamorphosed Limestone (principally CaCO3)

Lapis Lazuli

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

Mica Schist

Mica Schist (predominantly Muscovite or Biotite sheet silicates)

Silver (Native Element)

Ag (Argentum)

Tiger's Eye

Pseudomorph of quartz after crocidolite (SiO2)

Agate

Agate (Silicon Dioxide, SiO2)

Tourmaline

Complex Borosilicate - Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 (Elbaite species)

Green Jasper

Silicon Dioxide (SiO2) with impurities

Tiger's Eye

Titanium-containing Quartz (Silica: SiO2)

Lapis Lazuli

Lapis Lazuli (Rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2, Pyrite, and Calcite)

Quartzite

Quartzite (primarily SiO2)

Iron-stained Quartzite

Metamorphic Quartz (SiO2) with limonite/hematite staining

Charoite

Charoite (Hydrated potassium, sodium, calcium, barium, strontium silicate hydroxide fluoride)

Quartzite

Quartzite (SiO2)

Lapis Lazuli

Na8[Al6Si6O24]S2

Quartzite

Quartzite (Primary mineral: Silicon Dioxide, SiO2)

Quartzite

Quartzite (Primary mineral: SiO2)

Lapis Lazuli

Lapis Lazuli (Complex silicate mixture)

Quartzite

Quartzite (primarily SiO2)