Metamorphic Rock (For Both Nephrite And Jadeite)

Browse metamorphic rock (for both nephrite and jadeite) specimens identified by the Rock Identifier community.

Serpentine

Serpentinite (complex of Mg, Fe, Ni, Al, Zn, Mn)Si2O5(OH)4

metamorphic

Banded Agate (specifically Eye Agate / Chalcedony)

Agate (Cryptocrystalline variety of Quartz, SiO2)

mineral

Quartz (specifically Milky or Clear Quartz)

Silicon Dioxide (SiO2)

mineral

Quartz / Vein Quartz

Quartz (Silicon Dioxide, SiO2)

mineral

Blue Apatite

Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)

mineral

Green Aventurine

Quartz variety (SiO2 with inclusions)

mineral

Nephrite Jade

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

metamorphic

Bornite (Peacock Ore)

Bornite (Cu5FeS4)

mineral

Quartz (Milky or Clear Quartz fragment)

Silicon Dioxide (SiO2)

mineral

Carved Mottled Greenish-Yellow Crystal/Glass Object

Unknown; possibly a form of quartz (chalcedony/jadeite/nephrite) or glass/resin.

Man-made Object/Uncertain Mineral

Quartz (Milky/Clear Quartz)

Silicon Dioxide (SiO2)

mineral

Shale or Argillite

Shale (sedimentary) / Argillite (metamorphic)

Sedimentary or Metamorphic (low-grade)

Nephrite Jade / Pounamu

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

metamorphic

Ruby (Pinkish-Red)

Corundum (Al2O3 with Chromium trace)

mineral

Serpentine (Serpentinite)

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

metamorphic

Quartz

Silicon Dioxide (SiO2)

mineral

Milky Quartz (Crystal Cluster)

Silicon Dioxide (SiO2) - Quartz Variety

mineral

Basalt (Vesicular)

Basalt (Extrusive Volcanic Rock)

igneous

Quartz in Matrix (possibly with Biotite or Hornblende)

Quartz (Silicon Dioxide, SiO2) in Granitic Matrix

igneous

Jadeite (Jade)

Jadeite, NaAlSi₂O₆

metamorphic

White Nephrite Jade

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

metamorphic

Greenstone (Greywacke or Nephrite Jade variant)

Metamorphosed mafic igneous or sedimentary rock (e.g., Actinolite-Chlorite Schist)

metamorphic

Pyrite

Iron Sulfide (FeS2)

mineral

Plagioclase Feldspar

NaAlSi3O8 – CaAlSi2O8 (Sodium-Calcium Aluminum Silicates)

mineral

Pyrite (locally known as Fool's Gold)

Iron Sulfide (FeS2)

mineral

Ruby in Fuchsite

Corundum (Al2O3) in Fuchsite (K(Al,Cr)3Si3O10(OH)2)

Mineral

Sandstone (Ferruginous)

Arenite (complex silicate composition with iron oxides)

sedimentary

Quartz (possibly Citrine or Smoky Quartz variety)

Silicon Dioxide (SiO2)

mineral

Quartz

Silicon Dioxide (SiO2)

mineral

Quartz (Milky to Clear)

Silicon Dioxide (SiO2)

mineral

Pyrite (on Quartz/Sulfide matrix)

Iron Sulfide (FeS2)

mineral

Nephrite Jade

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

metamorphic

Milky Quartz

Silicon Dioxide (SiO2)

mineral

Sandstone (Greywacke/Lithic Sandstone)

Arenite / Lithic Sandstone

sedimentary

Sandstone (with potential Arkose/Lithic characteristics)

Arenite (Sedimentary rock composed of sand-sized grains)

sedimentary

Nephrite Jade (Pounamu)

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

metamorphic

Nephrite Jade

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

metamorphic

Quartz

Quartz (Silicon Dioxide, SiO2)

mineral

Yellow Jadeite

NaAlSi2O6 (Sodium Aluminum Silicate)

metamorphic

Rainbow Moonstone

White Labradorite (formula: (Na,Ca)(Al,Si)4O8)

mineral

Quartz

Silicon Dioxide (SiO2)

mineral

Nephrite Jade

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

metamorphic