Metamorphic (Modified)

Garnet in Matrix (likely Almandine in Quartz/Mica Schist)

Almandine Garnet (Fe3Al2(SiO4)3) in Quartz-Feldspar host rock

Muscovite Mica

Muscovite (Potassium Aluminum Silicate Hydroxide Fluoride), KAl2(AlSi3O10)(OH,F)2

Mica Schist

Mica Schist (primarily composed of Muscovite/Biotite)

Schist (Micaceous)

Mica Schist (predominantly Muscovite or Biotite)

Epidote

Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Soapstone and Jade

Steatite (Mg3Si4O10(OH)2) and Nephrite/Jadeite

Pyrite-bearing Schist

Pyritic Quartz-Mica Schist with FeS2 inclusion

Epidote (Unakite-related)

Epidote (Ca2(Al,Fe)3(SiO4)3(OH))

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

Staurolite (Fairy Cross)

Staurolite (Fe2+2Al9Si4O23(OH))

Epidote in Matrix

Epidote; Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)

Quartz-veined Metamorphic Rock

Quartz Vein in Phyllite or Schist (SiO2 in Silicate Matrix)

Quartzite (clastic/metamorphic subtype)

Quartzite (primarily Silicon Dioxide, SiO2)

Biotite Schist

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

Pyrite in Matrix

Iron Disulfide (FeS2)

Rhodonite

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

Rhodonite

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

Vesuvianite (Idocrase)

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

Blue Apatite

Fluoroapatite (Ca5(PO4)3F)

Hypersthene

Hypersthene (Magnesium Iron Silicate - (Mg,Fe)SiO3)

Sodalite

Na8(Al6Si6O24)Cl2

Serpentinite

Serpentinite (composed primarily of minerals in the serpentine group: (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)

Sodalite

Sodalite (Na4Al3Si3O12Cl)

Folded Schist / Gneiss (Metamorphic Rock)

Regional Metaphoric Folded Outcrop (predominantly Schist/Gneiss)

Almandine Garnet

Almandine, Fe3Al2(SiO4)3

Kyanite

Kyanite (Al2SiO5)

Rhodonite

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

Actinolite

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

Biotite / Black Mica

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

Yellow Jade (Nephrite)

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

Rhodonite

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

Ruby in Kyanite

Corundum in Disthene (Al2SiO5 + Al2O3)

Rhodonite

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

Blue Sapphire (in a faceted jewelry setting)

Corundum (Al2O3) with trace Iron and Titanium

Muscovite Mica

Muscovite (Potassium Aluminum Silicate) - KAl2(AlSi3O10)(F,OH)2

Ruby in Zoisite with Hornblende

Anyolite (Ruby: Al2O3, Zoisite: Ca2Al3(SiO4)3(OH))

Unakite

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

Rhodonite

Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn+2,Fe+2,Mg,Ca)SiO3

Quartz Vein in Pelite (Metamorphic Rock)

Hydrothermal Quartz Veining in Metasedimentary Rock (SiO2)

Epidote in Quartz (Unakite-like specimen)

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