Mineral In Metamorphic Rock

Black Star Diopside

Diopside (CaMgSi2O6) with Magnetite inclusions

Geode (Quartz / Chalcedony Geode)

SiO2 (Silicon Dioxide)

Eclogite

Eclogite (Omphacite-Garnet rock)

Petrified Wood

Silicified Wood (SiO2)

Rutilated Quartz

Quartz (SiO2) with Rutile (TiO2) inclusions

Lapis Lazuli

Complex metamorphic rock containing Lazurite ((Na,Ca)8(AlSiO4)6(SO4,S,Cl)2), Calcite, and Pyrite

Sodalite (blue beads) and Clear Quartz (clear beads)

Sodalite: Na4Al3Si3O12Cl; Quartz: SiO2

Unakite

Altered Granite (Epidote, Orthoclase Feldspar, Quartz)

Quartz

Silicon Dioxide (SiO₂)

Sodalite

Sodalite (Na4Al3Si3O12Cl)

Quartzite

Quartzite (SiO2-dominant rock)

Lapis Lazuli

Lapis Lazuli (a rock composed primarily of Lazurite (Na,Ca)₈[(S,Cl,SO₄,OH)₂|(Al₆Si₆O₂₄)], with varying amounts of Calcite, Pyrite, and Sodalite.)

Quartzite with Quartz Veining

Quartzite (primarily SiO2)

Quartzite

Quartzite (SiO2)

Beach Pebble (Nephrite Jade / Chalcedony)

Ca2(Mg,Fe)5Si8O22(OH)2 / SiO2

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

Serpentine

Serpentinite (rock), Serpentine group minerals (e.g., Antigorite, Lizardite, Chrysotile)

Quartzite pebble

Quartzite (SiO2)

Unakite

Unakite (altered granite containing Epidote, Orthoclase, and Quartz)

Tumbled quartz-rich rock, likely quartzite or milky quartz with iron-oxide staining

Quartzite (primarily SiO₂), possibly with hematite/goethite staining and minor feldspar or mica

Apatite

Ca5(PO4)3(F,Cl,OH)

Pyrite Cubes in Matrix

Iron Disulfide (FeS2) in Host Matrix

River Pebble (likely Quartzite or Diorite)

Metamorphosed Quartz-rich Rock / Intermediate Igneous Rock

Pink Garnet in Matrix

Grossular or Almandine Garnet (X3Y2(SiO4)3)

Quartzite Pebble

Metamorphic Quartzite (SiO2)

Quartzite

Metamorphic Quartzite (SiO2)

Quartzite (River Pebble)

Metamorphic Quartzite (SiO2)

Quartzite (River Pebble)

Metamorphic Quartzite (SiO2)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Moonstone (Feldspar)

Orthoclase or Oligoclase (KAlSi3O8)

River Pebble (Quartzite / Sandstone)

SiO2 (Quartz-rich sedimentary/metamorphic rock)

Quartzite (River Cobble)

Quartzite (predominantly SiO2)

Greenstone (likely serpentinite or greenstone pebble)

Serpentinite-rich ultramafic rock; commonly dominated by serpentine-group minerals, with possible chlorite, actinolite, or magnetite

Muscovite Mica

KAl2(AlSi3O10)(OH)2

Serpentine

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

Lapis Lazuli

Lapis Lazuli (Complex rock primarily composed of Lazurite (Na,Ca)8[(SO4,S,Cl)2|(AlSiO4)6], Calcite, and Pyrite)

Prehnite

Prehnite (Ca2Al2Si3O10(OH)2)

Mica Schist with Garnet

Garnetiferous Mica Schist

Quartzite Pebble

Quartzite

Unakite

Altered Granite (Epidotized Granite)

Quartzite

Quartzite (chiefly SiO2)

Quartzite

Quartzite (SiO2)