Rock Identifier

Category

Metamorphic (Modified)

Browse metamorphic (modified) specimens identified by the Rock Identifier community.

Black Star Diopside (beads) (Diopside (CaMgSi2O6) - a member of the pyroxene group) — Mineral

Black Star Diopside (beads)

Diopside (CaMgSi2O6) - a member of the pyroxene group

Agate (Cryptocrystalline quartz (SiO2)) — Mineral

Agate

Cryptocrystalline quartz (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Jadeite (Jade Ring) (NaAlSi2O6 (Sodium Aluminum Silicate)) — metamorphic

Jadeite (Jade Ring)

NaAlSi2O6 (Sodium Aluminum Silicate)

Feldspar (specifically Orthoclase) (Potassium Aluminum Silicate (KAlSi3O8)) — mineral

Feldspar (specifically Orthoclase)

Potassium Aluminum Silicate (KAlSi3O8)

Emerald (Beryl (Be3Al2(SiO3)6) with chromium/vanadium impurities) — mineral

Emerald

Beryl (Be3Al2(SiO3)6) with chromium/vanadium impurities

Moonstone with Black Tourmaline (Feldspar (KAlSi3O8) with inclusions of Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Moonstone with Black Tourmaline

Feldspar (KAlSi3O8) with inclusions of Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Green Quartz (Prasiolite/Adventurine) (Silicon Dioxide with inclusions (SiO2)) — mineral

Green Quartz (Prasiolite/Adventurine)

Silicon Dioxide with inclusions (SiO2)

Rhodonite (Manganese silicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese silicate (Mn,Fe,Mg,Ca)SiO3

Arsenopyrite in Sulphide Ore (Arsenopyrite (FeAsS)) — mineral

Arsenopyrite in Sulphide Ore

Arsenopyrite (FeAsS)

Eagle Eye / Grey Tiger Eye (Pseudomorph of Quartz after Crocidolite (SiO2)) — mineral

Eagle Eye / Grey Tiger Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Quartz Sand Gravel (Silicon Dioxide (SiO2)) — sedimentary

Quartz Sand Gravel

Silicon Dioxide (SiO2)

Bornite (Bornite (Cu5FeS4)) — mineral

Bornite

Bornite (Cu5FeS4)

Bornite (Bornite (Cu5FeS4)) — mineral

Bornite

Bornite (Cu5FeS4)

Rhodolite Garnet (Mg3Al2(SiO4)3 - Fe3Al2(SiO4)3 (Pyrope-Almandine series)) — mineral

Rhodolite Garnet

Mg3Al2(SiO4)3 - Fe3Al2(SiO4)3 (Pyrope-Almandine series)

Specular Hematite (Hematite (Fe2O3)) — mineral

Specular Hematite

Hematite (Fe2O3)

Blue Quartz (potentially Dumortierite-included) (Silicon Dioxide (SiO2) with inclusions) — mineral

Blue Quartz (potentially Dumortierite-included)

Silicon Dioxide (SiO2) with inclusions

Rhodonite (Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3

Native Gold Nugget (Native Gold (Au)) — mineral

Native Gold Nugget

Native Gold (Au)

Quartz (Drusy/Crystalline) (Silicon Dioxide (SiO2)) — mineral

Quartz (Drusy/Crystalline)

Silicon Dioxide (SiO2)

Peacock Ore (Bornite/Chalcopyrite) (Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2)) — mineral

Peacock Ore (Bornite/Chalcopyrite)

Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2)

Citrine (SiO2 (Silicon Dioxide)) — mineral

Citrine

SiO2 (Silicon Dioxide)

Jadeite (Jade) (Jadeite, NaAlSi₂O₆) — metamorphic

Jadeite (Jade)

Jadeite, NaAlSi₂O₆

Unakite (Unakite (Epidotized Granite)) — metamorphic

Unakite

Unakite (Epidotized Granite)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Quartz / Citrine Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz / Citrine Quartz

Silicon Dioxide (SiO2)

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Yellow Quartz (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz

Silicon Dioxide (SiO2)

Galena (Lead(II) sulfide (PbS)) — mineral

Galena

Lead(II) sulfide (PbS)

Arsenopyrite (Arsenopyrite (FeAsS)) — mineral

Arsenopyrite

Arsenopyrite (FeAsS)

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

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Aquamarine with Ruby Accent (Beryllium Aluminum Silicate (Be3Al2Si6O18) with Aluminum Oxide (Al2O3)) — mineral

Aquamarine with Ruby Accent

Beryllium Aluminum Silicate (Be3Al2Si6O18) with Aluminum Oxide (Al2O3)

Arsenopyrite (Arsenopyrite (FeAsS)) — mineral

Arsenopyrite

Arsenopyrite (FeAsS)

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

Black Tourmaline

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

Pyrite (Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Prehnite (Prehnite (Ca2Al(AlSi3O10)(OH)2)) — mineral

Prehnite

Prehnite (Ca2Al(AlSi3O10)(OH)2)

Muscovite Mica (KAl2(AlSi3O10)(F,OH)2) — mineral

Muscovite Mica

KAl2(AlSi3O10)(F,OH)2

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz Vein in Host Rock (Quartz (SiO2) in metamorphic host rock (likely schist or phyllite)) — metamorphic

Quartz Vein in Host Rock

Quartz (SiO2) in metamorphic host rock (likely schist or phyllite)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)