Mineral (Found In Igneous And Metamorphic Rocks)

Rhodonite

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

Quartz Pebble

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Clear Quartz Crystal

Silicon Dioxide (SiO2)

Emerald in Matrix (Quartz/Schist)

Beryl (Be₃Al₂Si₆O₁₈) with Chromium/Vanadium impurities

Rutilated Quartz

Quartz (SiO2) with Rutile (TiO2) inclusions

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Agate (Slab)

Agate (Cryptocrystalline variety of Quartz, SiO2)

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Milky Quartz

Silicon Dioxide (SiO2)

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

Fuchsite Schist

Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2) in Schist

Staurolite (Fairy Cross)

Staurolite (Fe2+2Al9Si4O23(OH))

Hematite (beads)

Hematite (Fe₂O₃)

Clear Quartz (Carved Merkaba)

Silicon Dioxide (SiO2)

Prehnite with Epidote inclusions

Prehnite: Ca2Al(AlSi3O10)(OH)2; Epidote: Ca2(Al,Fe)3(SiO4)3(OH)

Greenschist

Greenschist (composed primarily of Chlorite, Actinolite, and Epidote)

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Fuchsite

Chrome-bearing Muscovite [K(Al,Cr)2(AlSi3O10)(OH)2]

Quartz with Chalcopyrite and Pyrite

Silicon Dioxide (SiO2) with Copper Iron Sulfide (CuFeS2)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

White Topaz

Al2SiO4(F,OH)2

Pyrite

Iron Sulfide (FeS2)

Graphite

Graphite (Native Carbon, C)

Kyanite

Kyanite (Al2SiO5)

Lapis Lazuli

Lapis Lazuli (Aggregate of Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Pyrite, and Calcite)

Biotite Mica

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

Lazulite

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

Quartz Vein in Schist

Quartz (SiO2) in Mica Schist

Clear Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Yellow Jade (Nephrite)

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

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Rhodonite

Manganese Inosilicate (MnSiO3)

Rhodonite

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

Rhodonite

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

Rhodonite

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

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Epidote in Quartz (Unakite-like specimen)

Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH)) in Quartz (SiO2)

Vesuvianite (Idocrase)

Ca19(Al, Mg, Fe)13(SiO4)10(Si2O7)4(OH, F, O)10