Rock Identifier

Category

Metamorphic Rock (For Both Nephrite And Jadeite)

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

Learn about Metamorphic Rock (For Both Nephrite And Jadeite) in the encyclopedia

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Green Jade

Jade

Nephrite

Eulysite

Jadeite

Hornfels

Metabasalt

Metarhyolite

Cordierite Hornfels

Cordierite Hornfels

Metagabbro

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Green Aventurine (Silicon Dioxide (SiO2) with Fuscite inclusions) — mineral

Green Aventurine

Silicon Dioxide (SiO2) with Fuscite inclusions

Quartz Pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Black Tourmaline (Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Black Tourmaline

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Tumbled serpentine (likely) (Serpentinite; chiefly serpentine-group minerals, Mg₃Si₂O₅(OH)₄) — metamorphic

Tumbled serpentine (likely)

Serpentinite; chiefly serpentine-group minerals, Mg₃Si₂O₅(OH)₄

Natural Gemstone Cabochons (Ruby, Moonstone, Emerald, Citrine) (Ruby (Al2O3:Cr), Moonstone (KAlSi3O8), Emerald (Be3Al2(SiO3)6:Cr), Citrine (SiO2)) — mineral

Natural Gemstone Cabochons (Ruby, Moonstone, Emerald, Citrine)

Ruby (Al2O3:Cr), Moonstone (KAlSi3O8), Emerald (Be3Al2(SiO3)6:Cr), Citrine (SiO2)

Sandstone (likely Quartz Sandstone) (Arenite (SiO2 based)) — sedimentary

Sandstone (likely Quartz Sandstone)

Arenite (SiO2 based)

Unakite Epidote-Granite (Unakite (Epidotized Granite)) — metamorphic

Unakite Epidote-Granite

Unakite (Epidotized Granite)

Corundum (Sapphire and Ruby) (Aluminum Oxide (Al2O3)) — mineral

Corundum (Sapphire and Ruby)

Aluminum Oxide (Al2O3)

Rough Nephrite Jade (Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)) — metamorphic

Rough Nephrite Jade

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

Sandstone (Arenite (primarily Quartz and Feldspar composition)) — sedimentary

Sandstone

Arenite (primarily Quartz and Feldspar composition)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Nephrite Jade / Greenstone (Tremolite-Actinolite solid solution series [Ca2(Mg,Fe)5Si8O22(OH)2]) — metamorphic

Nephrite Jade / Greenstone

Tremolite-Actinolite solid solution series [Ca2(Mg,Fe)5Si8O22(OH)2]

Graphite (Graphite (Carbon, C)) — metamorphic

Graphite

Graphite (Carbon, C)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Black gemstone, likely onyx or black spinel (Possible black chalcedony (SiO₂) or spinel (MgAl₂O₄)) — gemstone

Black gemstone, likely onyx or black spinel

Possible black chalcedony (SiO₂) or spinel (MgAl₂O₄)

Polished green jasper cabochon (likely serpentine or nephrite imitation) (Jasper: microcrystalline quartz (SiO₂); green coloration may reflect chlorite, epidote, or iron minerals) — metamorphic

Polished green jasper cabochon (likely serpentine or nephrite imitation)

Jasper: microcrystalline quartz (SiO₂); green coloration may reflect chlorite, epidote, or iron minerals

Tumbled serpentine (likely) (Serpentinite; chiefly serpentine-group minerals, Mg₃Si₂O₅(OH)₄) — metamorphic

Tumbled serpentine (likely)

Serpentinite; chiefly serpentine-group minerals, Mg₃Si₂O₅(OH)₄

Black Tourmaline (Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Black Tourmaline

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Green Aventurine (Aventurine Quartz (SiO2 with fuchsite inclusions)) — gemstone

Green Aventurine

Aventurine Quartz (SiO2 with fuchsite inclusions)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Painted/tumbled stone specimens (Unidentified natural rock; likely a dark silicate stone and a weathered brown stone) — mineral

Painted/tumbled stone specimens

Unidentified natural rock; likely a dark silicate stone and a weathered brown stone

Tumbled serpentine (likely nephrite-like greenstone) (Serpentine-group minerals, chiefly antigorite/lizardite; possibly mixed with tremolite-actinolite) — metamorphic

Tumbled serpentine (likely nephrite-like greenstone)

Serpentine-group minerals, chiefly antigorite/lizardite; possibly mixed with tremolite-actinolite

Ruby ring (likely synthetic ruby) (Corundum, Al₂O₃; red color from chromium. The image alone cannot establish whether the stone is natural or lab-grown.) — gemstone

Ruby ring (likely synthetic ruby)

Corundum, Al₂O₃; red color from chromium. The image alone cannot establish whether the stone is natural or lab-grown.

Quartz (Milky or Druzy Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Druzy Quartz)

Silicon Dioxide (SiO2)

Ruby (set in a ring) (Corundum, Al₂O₃, colored red by chromium; the pictured stone may be synthetic or imitation, which cannot be confirmed from the photo.) — gemstone

Ruby (set in a ring)

Corundum, Al₂O₃, colored red by chromium; the pictured stone may be synthetic or imitation, which cannot be confirmed from the photo.

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Quartz (Milky/Clear variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Clear variety)

Silicon Dioxide (SiO2)

Milky quartz fragment (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz fragment

Quartz (silicon dioxide, SiO₂)

Tumbled serpentine (Serpentine-group minerals, chiefly antigorite/lizardite; approximate formula Mg₃Si₂O₅(OH)₄) — metamorphic

Tumbled serpentine

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

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Black Tourmaline (Schorl) (Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Black Tourmaline (Schorl)

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Sandstone (lithic wacke/arenite) (Clastic sedimentary rock (SiO2 + varied clasts)) — sedimentary

Sandstone (lithic wacke/arenite)

Clastic sedimentary rock (SiO2 + varied clasts)

Quartz pebble (Silicon Dioxide (SiO2)) — mineral

Quartz pebble

Silicon Dioxide (SiO2)

Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Greenstone / Nephrite Jade (Tremolite-actinolite series (Ca2(Mg,Fe)5Si8O22(OH)2)) — metamorphic

Greenstone / Nephrite Jade

Tremolite-actinolite series (Ca2(Mg,Fe)5Si8O22(OH)2)

Quartz pebble (Quartz (Silicon Dioxide, SiO2)) — mineral

Quartz pebble

Quartz (Silicon Dioxide, SiO2)