Metamorphic (Localized) Or Sedimentary

Quartzite

Quartzite (primarily SiO2)

Quartz with Chlorite or Hornblende inclusions

Silicon dioxide (SiO2) with phyllosilicate or amphibole inclusions

Milky Quartz

Silicon Dioxide (SiO2)

Dragon Stone (Dragon Blood Jasper)

Epidote with Pietersite or Red Jasper inclusions (varied SiO2 and Ca2(Al,Fe)3(SiO4)3(OH))

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Garnet in Matrix (Eclogite)

Eclogite, featuring Almandine or Pyrope Garnet [X3Y2(SiO4)3]

Schist

Mica Schist

Schist

Mica Schist (predominantly Muscovite/Biotite)

Mica Schist

Mica Schist (primarily Muscovite and Biotite KAl2(AlSi3O10)(OH)2)

Gemstones (Emerald and Yellow Topaz or Citrine)

Beryl (Be3Al2Si6O18) and Quartz (SiO2) or Topaz (Al2SiO4(F,OH)2)

Chrysocolla (on host rock)

Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Copper silicate)

Serpentine

Serpentinite (Mg, Fe, Ni)3Si2O5(OH)4

Serpentine

Antigorite/Lizardite (Mg,Fe)3Si2O5(OH)4

Quartzite

Quartzite (SiO2)

Iolite (Cordierite)

Cordierite (Magnesium iron aluminum cyclosilicate), Mg2Al4Si5O18

Quartzite (River Pebble)

Metamorphic Quartzite (SiO2)

Quartzite Pebble

Metamorphic Quartzite (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Quartzite (or Milky Quartz pebble)

Quartzite (Metamorphosed Sandstone) / Silicon Dioxide (SiO2)

Nuummite

Nuummite (Ortho-amphibole rock, primarily Anthophyllite and Gedrite)

Green Aventurine

Silicon dioxide (SiO2) with inclusions of Fuchsite mica

Serpentinite

Serpentinite (group of minerals: Antigorite, Lizardite, Chrysotile)

Blue Quartz (Aventurine)

Silicon Dioxide (SiO2) with inclusions of crocidolite or dumortierite

Jadeite Jade

Sodium Aluminum Silicate (NaAlSi2O6)

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Quartzite River Rock

Quartzite (primarily SiO2)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Amethyst

SiO2 (Silicon Dioxide with Iron impurities)

Magnetite (in matrix)

Magnetite (Fe3O4)

Milky Quartz

Silicon Dioxide (SiO2)

Garnet (Pyrope or Almandine)

Silicate (X3Y2Si3O12)

Unakite

Epidotized Granite

Chlorite (Small Flakes/Sand)

Chlorite Group (Magnesium Iron Aluminum Silicate Hydroxide - (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)

Biotite Mica in Quartz

Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2) in Quartz (SiO2)

Native Gold Nugget

Native Gold (Au)

Rhodonite

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

Citrine

Silicon Dioxide (SiO2)

Smoky Quartz

Smoky Quartz (SiO2)

Nephrite Jade

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

Banded Agate (White Agate)

Chalcedony (Silicon Dioxide, SiO2)

Aquamarine

Beryl (Be3Al2Si6O18)