Man Made Metamorphic Style Composite

Serpentinized ultramafic rock with magnesite

Serpentinite, chiefly serpentine-group minerals (Mg₃Si₂O₅(OH)₄), with likely magnesite (MgCO₃) and minor chromite/magnetite

Serpentinite (probable)

Serpentinite; chiefly serpentine-group minerals, commonly lizardite, chrysotile, or antigorite, with possible magnetite and relict olivine/pyroxene

Black-and-white jasper

Jasper, microcrystalline quartz (SiO₂), with contrasting white mineral inclusions

Serpentinized ultramafic rock (likely serpentinite)

Serpentinite; chiefly serpentine-group minerals Mg₃Si₂O₅(OH)₄, with magnetite, olivine, and pyroxene remnants

Polished serpentine

Serpentine-group minerals, chiefly lizardite and/or antigorite; approximate formula Mg₃Si₂O₅(OH)₄

Greenstone, likely serpentinite

Serpentinite; predominantly serpentine-group minerals (Mg₃Si₂O₅(OH)₄), possibly with chlorite, talc, magnetite, or antigorite

Greenstone / serpentinized ultramafic rock (probable)

Serpentinite, chiefly serpentine-group minerals (Mg₃Si₂O₅(OH)₄), with possible magnetite and talc

Serpentinite (likely polished/tumbled)

Serpentinite; chiefly serpentine-group minerals, commonly antigorite, lizardite, and chrysotile, with magnetite and accessory carbonates

Serpentine (likely serpentinized ultramafic rock)

Serpentine-group minerals, chiefly antigorite, lizardite, or chrysotile; commonly derived from peridotite

Petrified Wood

Silicified Wood (SiO2)

Map Jasper (Picasso Stone)

Metamorphosed Calcium Carbonate (Crystalline Limestone or Marble with Silicate inclusions/impurities)

Serpentinite

Serpentinite (composed mainly of Group: Serpentine; (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)

Serpentine

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartzite (Ferruginous)

Metamorphosed Quartz Sandstone (SiO2)

Quartz (Clear Quartz and Rose Quartz variants)

Silicon Dioxide (SiO2)

Greywacke (Briarcliff Schist/Gneiss)

Manhattan Schist / Fordham Gneiss complex

Quartzite

Quartzite (primarily SiO2)

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Blue Quartz

Silicon Dioxide (SiO2) with inclusions

Serpentinized ultramafic rock (likely serpentinite)

Serpentinite; chiefly serpentine-group minerals, Mg₃Si₂O₅(OH)₄, with possible magnetite, olivine, pyroxene, and sulfides

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Greenstone

Greenschist-facies basaltic rock

Biotite Schist (likely)

Biotite Schist (rock), Biotite (mineral)

Greenstone

Metabasalt (composed of chlorite, epidote, and actinolite)

Quartz Pebble

Silicon Dioxide (SiO2)

Kyanite (within Quartz)

Kyanite (Al2SiO5) in crystalline Quartz base (SiO2)

Quartzite Pebble

Metamorphosed Silicon Dioxide (SiO2)

Nephrite Jade Elephant Carving

Nephrite (a variety of the calcium, magnesium, and iron-rich amphibole minerals tremolite or actinolite)

Tiger's Eye

Silicon dioxide (SiO2) with inclusions of Limonite

Greenstone / Greenschist

Greenschist (metamorphosed mafic rock)

Quartzite

Quartzite (SiO2)

White Jade (Nephrite or Jadeite)

Tremolite-Actinolite series (Nephrite) or NaAlSi2O6 (Jadeite)

Quartzite

Quartzite (primarily SiO2)

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Granite

Granite (Felsic intrusive igneous rock)

Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (primarily SiO2)

Quartzite

Quartzite (SiO2)

Quartzite Pebble

Quartzite (SiO2)

Quartzite

Silicon Dioxide (SiO2)

Ferruginous Quartz (Iron-stained Quartzite)

Silicon Dioxide (SiO2) with Hematite/Limonite impurities