Mineral In Metamorphic Rock

Serpentinite

Serpentinite (complex silicate minerals including lizardite, chrysotile, and antigorite)

Agate

Silicon Dioxide (Chalcedony), SiO2

sedimentary

Serpentinite

Serpentinite (complex silicate mineral group (Mg,Fe)3Si2O5(OH)4)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Dumortierite in Quartz

Dumortierite (Al6O3(BO3)(SiO4)3) with Quartz (SiO2)

Green Spot Jasper (Kiwi Jasper / Sesame Jasper)

Partially altered granitic rock rich in quartz, microcline feldspar, and tourmaline or amphibole inclusions

Tumbled green-and-white stone, likely serpentine

Serpentinite; chiefly serpentine-group minerals (antigorite, lizardite, or chrysotile), commonly with magnetite and carbonate veins

Bull Quartz with Mica and Host Rock

Massive Quartz (SiO2) with Muscovite/Chlorite inclusions

igneous

Quartz

Quartz (SiO2 - Silicon Dioxide)

Gneiss

Lapis Lazuli

Lapis Lazuli (a rock, not a single mineral; primary mineral is Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2

Metamorphic rock

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Quartzite Arrowhead

Quartzite (SiO2 silicon dioxide)

Pyrite

Iron Disulfide (FeS2)

Unakite

Unakite (Epidote-Feldspar rock)

Metamorphic rock

Serpentine

Serpentine-group ((Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al,Fe)2O5(OH)4)

Iron-rich quartzite or quartz-bearing metamorphic rock

Quartzite, predominantly SiO₂, with iron-oxide staining (hematite/goethite)

Gneiss (specifically a Banded Gneiss cobble)

Gneiss (composed mainly of Quartz, Feldspar, and Biotite/Amphibole)

Quartz (Clear / Rock Crystal)

Silicon Dioxide (SiO2)

Serpentine

Serpentinite (group of hydrous magnesium iron phyllosilicate minerals)

Zebra Rock / Zebra Marble

Banded Limestone-Marble Transition

Dragon Blood Jasper

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

Agate

Silicon Dioxide (Chalcedony), SiO2

sedimentary

Quartzite River Rock (with iron staining)

Metamorphosed Sandstone (SiO2)

Quartz Crystal (specifically Rock Crystal)

Silicon Dioxide (SiO2)

Serpentinite

Serpentinite (composed largely of serpentine group minerals including antigorite, lizardite, and chrysotile)

Quartzite Pebble (Stream-rounded Quartz/Quartzite Gravel)

Quartzite / Silicon Dioxide (SiO2)

Pink Sapphire

Corundum (Al2O3 with trace Chromium and Iron)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Greenstone with Pyrite inclusions

Greenschist / Meta-volcanic rock with Iron Disulfide (FeS2)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartzite pebble

Metamorphic Quartzite (SiO2)

Schist

Mica Schist (primarily Muscovite or Biotite sheet silicates)

Tiger's Eye

Tiger's Eye (a variety of Chalcedony, which is a microcrystalline quartz with fibrous inclusions of oxidized crocidolite)

Jade (Nephrite or Jadeite)

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (Na(Al,Fe3+)Si2O6)

Quartz-rich metamorphic rock, likely quartzite

Quartzite; predominantly microcrystalline quartz (SiO₂), possibly with feldspar, mica, and iron-oxide impurities

Gneiss

Gneiss (Metamorphic rock composed primarily of Quartz, Feldspar, and Mica/Amphibole)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Fuchsite (Chrome Mica)

K(Al,Cr)2(AlSi3O10)(OH)2