Metamorphic (Localized) Or Sedimentary

Citrine Quartz

Crystalline Quartz (SiO2 with iron impurities)

Citrine Quartz

SiO2 (Silicon Dioxide with Iron impurities)

Dragon Blood Jasper

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

Garnet

Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3

Rhodonite

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

Blue Sapphire (in a faceted jewelry setting)

Corundum (Al2O3) with trace Iron and Titanium

Lapis Lazuli

Lapis Lazuli (Rock containing Lazurite, Calcite, and Pyrite)

Biotite Schist (with Garnet and Pyrite)

K(Mg,Fe)3AlSi3O10(OH,F)2 (Biotite focus)

Amethyst

Amethyst (Silicon Dioxide, SiO2)

Rhodonite

Rhodonite (Mn2+SiO3)

Galena

Lead(II) sulfide (PbS)

Raw Emerald

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)

Quartz Mineral

Silicon Dioxide (SiO2)

Green Aventurine

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

Peach Moonstone

Potassium Aluminum Silicate, KAlSi3O8

Rhodonite

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

Ruby in Matrix

Corundum (Al2O3)

Ruby (Corundum)

Aluminum Oxide (Al2O3) with Chromium traces

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Peacock Ore

Bornite (Cu5FeS4) or iridescent Chalcopyrite (CuFeS2)

Pink Feldspar (Orthoclase)

Orthoclase Feldspar (KAlSi3O8)

Milky Quartz

Silicon Dioxide (SiO2)

Orthoclase Feldspar

KAlSi3O8 (Potassium aluminum silicate)

Rhodonite

Rhodonite (Manganese Iron Magnesium Calcium Silicate - (Mn,Fe,Mg,Ca)SiO3)

Aventurine Quartz

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Nuummite

Nuummite (Orthorhombic amphiboles: Anthophyllite and Gedrite)

Lazulite

Magnesium Aluminum Phosphate Hydroxide (MgAl2(PO4)2(OH)2)

Aquamarine

Beryllium aluminum silicate (Be3Al2Si6O18)

Jade

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

Unakite

Epidotized Granite (composition: K-feldspar, Epidote, and Quartz)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Epidote

Epidote (Ca2(Al2,Fe3+)AlSi3O12(OH))

Quartzite

Quartzite (SiO2)

Potassium Feldspar

K-Feldspar (KAlSi3O8)

Granite with Epidote

Granite, containing quartz, feldspar, and epidote

Quartzite (River Pebble)

Metamorphic Quartzite (SiO2)

Sodalite

Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)

Sodalite

Sodalite - Na8(Al6Si6O24)Cl2

Quartzite

Quartzite (SiO2)