Rock Identifier

Category

Mineral (Specifically A Mineraloid)

Browse mineral (specifically a mineraloid) specimens identified by the Rock Identifier community.

Dendritic Agate (Silicon Dioxide (SiO2) with inclusions of manganese or iron oxides) — mineral

Dendritic Agate

Silicon Dioxide (SiO2) with inclusions of manganese or iron oxides

Druzy Quartz (Crystalline Silicon Dioxide (SiO2)) — mineral

Druzy Quartz

Crystalline Silicon Dioxide (SiO2)

Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30 (Potassium Sodium Lithium Iron Manganese Aluminum Silicate)) — mineral

Sugilite

KNa2(Fe,Mn,Al)2Li3Si12O30 (Potassium Sodium Lithium Iron Manganese Aluminum Silicate)

Orthoclase Feldspar (Orthoclase (KAlSi3O8)) — mineral

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Carnelian (Carnelian (Silica, SiO2)) — mineral

Carnelian

Carnelian (Silica, SiO2)

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

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Ferruginous Quartz (Iron-stained Quartz (SiO2 with Fe2O3 impurities)) — mineral

Ferruginous Quartz

Iron-stained Quartz (SiO2 with Fe2O3 impurities)

Desert Rose (Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O) or Barite (Barium Sulfate, BaSO4)) — mineral

Desert Rose

Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O) or Barite (Barium Sulfate, BaSO4)

White Quartz (Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Ruby (Corundum (Al2O3 with Chromium traces)) — mineral

Ruby

Corundum (Al2O3 with Chromium traces)

Peach Moonstone (Potassium Aluminum Silicate (KAlSi3O8)) — mineral

Peach Moonstone

Potassium Aluminum Silicate (KAlSi3O8)

Clear Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Synthetic Ruby (Jewel Bearings) (Synthetic Corundum (Al2O3 doped with Chromium)) — mineral

Synthetic Ruby (Jewel Bearings)

Synthetic Corundum (Al2O3 doped with Chromium)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Chrysoprase (Silicon dioxide with nickel impurities (SiO2 + Ni)) — mineral

Chrysoprase

Silicon dioxide with nickel impurities (SiO2 + Ni)

Amethyst (Digital/Conceptual Representation) (Amethyst (Silicon Dioxide with iron impurities, SiO2)) — mineral

Amethyst (Digital/Conceptual Representation)

Amethyst (Silicon Dioxide with iron impurities, SiO2)

Rough Diamond (Diamond (Native Carbon, C)) — mineral

Rough Diamond

Diamond (Native Carbon, C)

Hematite (Iron Ore) (Hematite (Fe2O3)) — mineral

Hematite (Iron Ore)

Hematite (Fe2O3)

Red Jasper (Silicon dioxide (SiO2)) — mineral

Red Jasper

Silicon dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Chalcedony (Grey/White Agate) (Silicon Dioxide (SiO₂)) — mineral

Chalcedony (Grey/White Agate)

Silicon Dioxide (SiO₂)

Amethyst (Chevron or Banded Amethyst) (Silicon Dioxide (SiO2 with iron impurities)) — Mineral

Amethyst (Chevron or Banded Amethyst)

Silicon Dioxide (SiO2 with iron impurities)

Lodolite (Garden Quartz) (Silicon Dioxide (SiO2) with inclusions (Chlorite, Hematite, etc.)) — mineral

Lodolite (Garden Quartz)

Silicon Dioxide (SiO2) with inclusions (Chlorite, Hematite, etc.)

Yellow Agate (Silicon Dioxide (SiO2) - variety of Chalcedony) — mineral

Yellow Agate

Silicon Dioxide (SiO2) - variety of Chalcedony

Tree Agate (Dendritic Agate (Silicon Dioxide, SiO2)) — mineral

Tree Agate

Dendritic Agate (Silicon Dioxide, SiO2)

Amethyst (SiO2 (Silicon Dioxide)) — mineral

Amethyst

SiO2 (Silicon Dioxide)

Sodalite (Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Na8(Al6Si6O24)Cl2

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Quartz (Crystal Fragment) (Quartz / Silicon Dioxide (SiO2)) — mineral

Quartz (Crystal Fragment)

Quartz / Silicon Dioxide (SiO2)

Peach Moonstone (Orthoclase Feldspar (KAlSi3O8) with inclusions) — mineral

Peach Moonstone

Orthoclase Feldspar (KAlSi3O8) with inclusions

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

Olivine (Peridot)

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

Phantom Quartz with Chlorite and Hematite inclusions (Silicon Dioxide (SiO2) with inclusions of Chlorite group minerals and Hematite (Fe2O3)) — mineral

Phantom Quartz with Chlorite and Hematite inclusions

Silicon Dioxide (SiO2) with inclusions of Chlorite group minerals and Hematite (Fe2O3)

Tiger's Eye (Rough) (Pseudomorph of Quartz after Crocidolite (SiO2 with Iron inclusions)) — Mineral

Tiger's Eye (Rough)

Pseudomorph of Quartz after Crocidolite (SiO2 with Iron inclusions)

Selenite (Satin Spar) (Gypsum (CaSO4·2H2O)) — mineral

Selenite (Satin Spar)

Gypsum (CaSO4·2H2O)

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

Rhodonite

Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3

Howlite (Dyed Turquoise) (Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)) — mineral

Howlite (Dyed Turquoise)

Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)

Turquoise (Hydrated phosphate of copper and aluminum - CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

Hydrated phosphate of copper and aluminum - CuAl6(PO4)4(OH)8·4H2O

Magnetite (Iron Ore) (Magnetite (Fe3O4)) — mineral

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Prase or Green Quartz (Silicon Dioxide (SiO2 with actinolite or chlorite inclusions)) — Mineral

Prase or Green Quartz

Silicon Dioxide (SiO2 with actinolite or chlorite inclusions)

Rhodochrosite (Manganese carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese carbonate (MnCO3)

Epidote (Epidote - Ca2(Al2,Fe3+)3(SiO4)3(OH)) — mineral

Epidote

Epidote - Ca2(Al2,Fe3+)3(SiO4)3(OH)

Amethyst (Quartz) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst (Quartz)

Silicon Dioxide (SiO2) with iron impurities