Rock Identifier

Category

Mineral With Artificial Coating

Browse mineral with artificial coating specimens identified by the Rock Identifier community.

Learn about Mineral With Artificial Coating in the encyclopedia

Black Shale

Sodalite

Serpentine

Pezzottaite

Galena

Blue Apatite

Tangerine Quartz

Tangerine Quartz

Shungite

Super Seven

Rock Salt

Anatase

Brookite

Dyed Howlite (often sold as Turquenite) (Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)) — mineral

Dyed Howlite (often sold as Turquenite)

Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)

Tiger's Eye (Tumbled) (Silicified Riebeckite (SiO2 with Iron inclusions)) — mineral

Tiger's Eye (Tumbled)

Silicified Riebeckite (SiO2 with Iron inclusions)

Sodalite in Feldspar Matrix (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite in Feldspar Matrix

Sodalite (Na8(Al6Si6O24)Cl2)

Gold Ore (Native Gold (Au) in Matrix) — mineral

Gold Ore

Native Gold (Au) in Matrix

Green Moss Agate (Agate (Silicon Dioxide, SiO2) with inclusions) — mineral

Green Moss Agate

Agate (Silicon Dioxide, SiO2) with inclusions

Yellow Aventurine (Silicon Dioxide with inclusions (SiO2)) — mineral

Yellow Aventurine

Silicon Dioxide with inclusions (SiO2)

Chrysocolla (Hydrated copper silicate - Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O)) — mineral

Chrysocolla

Hydrated copper silicate - Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O)

Garden Quartz (Lodalite) (Silicon Dioxide (SiO2) with mineral inclusions) — mineral

Garden Quartz (Lodalite)

Silicon Dioxide (SiO2) with mineral inclusions

Blue Lace Agate (Chalcedony (SiO2) with trace inclusions) — mineral

Blue Lace Agate

Chalcedony (SiO2) with trace inclusions

Sodalite (Sodalite (Na8Al6Si6O24Cl2)) — mineral

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

Moonstone (Adularia) (Potassium aluminum silicate (KAlSi3O8)) — mineral

Moonstone (Adularia)

Potassium aluminum silicate (KAlSi3O8)

Picture Jasper (SiO2, Microcrystalline Quartz) — mineral

Picture Jasper

SiO2, Microcrystalline Quartz

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Green Aventurine (SiO2 (Quartz with Fuchsite inclusions)) — mineral

Green Aventurine

SiO2 (Quartz with Fuchsite inclusions)

Chiastolite (Andalusite variety Chiastolite) — mineral

Chiastolite

Andalusite variety Chiastolite

Quartz Geode fragment (Crystalline Silicon Dioxide (SiO2)) — mineral

Quartz Geode fragment

Crystalline Silicon Dioxide (SiO2)

Botryoidal Hematite (Kidney Ore) (Iron(III) oxide (Fe2O3)) — mineral

Botryoidal Hematite (Kidney Ore)

Iron(III) oxide (Fe2O3)

Strawberry Quartz (Hematoid Quartz) (Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)) — mineral

Strawberry Quartz (Hematoid Quartz)

Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)

Banded Agate (Onyx type) (Silicon Dioxide (SiO2)) — mineral

Banded Agate (Onyx type)

Silicon Dioxide (SiO2)

Labradorite (Carved) ((Ca, Na)(Al, Si)4O8) — mineral

Labradorite (Carved)

(Ca, Na)(Al, Si)4O8

Black Opal (Hydrated Silica (SiO2·nH2O)) — mineral

Black Opal

Hydrated Silica (SiO2·nH2O)

Green Aventurine (Aventurine Quartz (SiO2 with Fuchsite inclusions)) — mineral

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Magnesite or Howlite (dyed or naturally patterned) (Magnesium carbonate (MgCO3) or Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)) — mineral

Magnesite or Howlite (dyed or naturally patterned)

Magnesium carbonate (MgCO3) or Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Specular Hematite (Specularite (Iron Oxide, Fe2O3)) — mineral

Specular Hematite

Specularite (Iron Oxide, Fe2O3)

Howlite and Purple Amethyst Druzy (Calcium Borosilicate Hydroxide (Howlite) and Silicon Dioxide (Quartz/Amethyst)) — mineral

Howlite and Purple Amethyst Druzy

Calcium Borosilicate Hydroxide (Howlite) and Silicon Dioxide (Quartz/Amethyst)

Aventurine (likely Green Aventurine) (Silicon Dioxide (SiO2) with mineral inclusions) — Mineral/Mineraloid within a rock matrix

Aventurine (likely Green Aventurine)

Silicon Dioxide (SiO2) with mineral inclusions

Mineral/Mineraloid within a rock matrix

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

Prehnite

Prehnite (Ca2Al(AlSi3O10)(OH)2)

Basalt Pebble with Vesicles (Vesicular Basalt) — igneous

Basalt Pebble with Vesicles

Vesicular Basalt

Dendritic Agate (Chalcedony (Silicon Dioxide) with Manganese or Iron Oxide inclusions) — mineral

Dendritic Agate

Chalcedony (Silicon Dioxide) with Manganese or Iron Oxide inclusions

Milky Quartz with Chlorite inclusions (Silicon Dioxide (SiO2) with Chlorite group minerals) — mineral

Milky Quartz with Chlorite inclusions

Silicon Dioxide (SiO2) with Chlorite group minerals

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Olivine (Peridot) (Magnesium Iron Silicate (Mg, Fe)2SiO4) — mineral

Olivine (Peridot)

Magnesium Iron Silicate (Mg, Fe)2SiO4

Quartz (Variety: Rock Crystal Cluster) (Silicon Dioxide (SiO2)) — mineral

Quartz (Variety: Rock Crystal Cluster)

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Olivine (Peridot) (Magnesium Iron Silicate ((Mg, Fe)2SiO4)) — mineral

Olivine (Peridot)

Magnesium Iron Silicate ((Mg, Fe)2SiO4)

Amazonite (Microcline (KAlSi3O8)) — mineral

Amazonite

Microcline (KAlSi3O8)

Tiger's Eye (Pseudomorph of Quartz (SiO2) after Crocidolite) — mineral

Tiger's Eye

Pseudomorph of Quartz (SiO2) after Crocidolite

Amazonite (Microcline (KAlSi3O8 with lead impurities)) — mineral

Amazonite

Microcline (KAlSi3O8 with lead impurities)

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

Prehnite

Prehnite (Ca2Al(AlSi3O10)(OH)2)

Gossan (Limonite/Ironstone) (Hydrated Iron Oxide (FeO(OH)·nH2O)) — sedimentary

Gossan (Limonite/Ironstone)

Hydrated Iron Oxide (FeO(OH)·nH2O)

Quartz with Calcite / Geode Fragment (Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3)) — mineral

Quartz with Calcite / Geode Fragment

Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3)