Rock Identifier

Category

Mineral Health

Browse mineral health specimens identified by the Rock Identifier community.

Learn about Mineral Health in the encyclopedia

Glauconite

Glauconite

Hutcheonite

Hutcheonite

Halite

Halite

Sperrylite

Sperrylite

Baddeleyite

Baddeleyite

Anatase

Anatase

Brookite

Brookite

Talc

Talc

Euxenite

Euxenite

Dolomite

Dolomite

Buergerite

Buergerite

Eltyubyuite

Eltyubyuite

Amethyst (Amethyst (Silicon Dioxide, SiO2)) — mineral

Amethyst

Amethyst (Silicon Dioxide, SiO2)

Sunstone (Oligoclase (Feldspar variety), (Na,Ca)(Si,Al)4O8) — mineral

Sunstone

Oligoclase (Feldspar variety), (Na,Ca)(Si,Al)4O8

Chrysocolla in Quartz (Quantum Quattro variant) (Hydrated copper silicates (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O) often mixed with SiO2) — mineral

Chrysocolla in Quartz (Quantum Quattro variant)

Hydrated copper silicates (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O) often mixed with SiO2

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

Blue Apatite

Fluorapatite / Ca5(PO4)3F

Amethyst (Quartz) (Amethyst (Silicon Dioxide with Iron impurities, SiO2)) — mineral

Amethyst (Quartz)

Amethyst (Silicon Dioxide with Iron impurities, SiO2)

Blue Chalcedony (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Moonstone (Orthoclase and Albite (KAlSi3O8 / NaAlSi3O8)) — mineral

Moonstone

Orthoclase and Albite (KAlSi3O8 / NaAlSi3O8)

Amazonite (K(AlSi3O8)) — mineral

Amazonite

K(AlSi3O8)

Amazonite (Microcline (KAlSi3O8) with Trace Elements) — mineral

Amazonite

Microcline (KAlSi3O8) with Trace Elements

Sodalite (Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Na8(Al6Si6O24)Cl2

Charoite (Charoite (K(Ca,Na)2Si4O10(OH,F)·H2O)) — metamorphic

Charoite

Charoite (K(Ca,Na)2Si4O10(OH,F)·H2O)

Amethyst (Polished Cabochon) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst (Polished Cabochon)

Silicon Dioxide (SiO2) with iron impurities

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

Amethyst Quartz

Amethyst (Silicon Dioxide, SiO2)

Chrysocolla in Matrix (Chrysocolla (Cu,Al)2H2Si2O5(OH)4·nH2O) — mineral

Chrysocolla in Matrix

Chrysocolla (Cu,Al)2H2Si2O5(OH)4·nH2O

Herkimer Diamond (Quartz Crystal) (Silicon Dioxide (SiO2)) — mineral

Herkimer Diamond (Quartz Crystal)

Silicon Dioxide (SiO2)

Amethyst (as seen in jewelry) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst (as seen in jewelry)

Silicon Dioxide (SiO2) with iron impurities

Emerald (Beryl (Be3Al2(SiO3)6) with Chromium and/or Vanadium impurities) — mineral

Emerald

Beryl (Be3Al2(SiO3)6) with Chromium and/or Vanadium impurities

Gold Ore (Gold-bearing Quartz (Native Gold, Au)) — mineral

Gold Ore

Gold-bearing Quartz (Native Gold, Au)

Yellow Calcite (Calcite (Calcium Carbonate, CaCO3)) — mineral

Yellow Calcite

Calcite (Calcium Carbonate, CaCO3)

Amazonite (Microcline (KAlSi3O8)) — mineral

Amazonite

Microcline (KAlSi3O8)

Amethyst (Crystalline Quartz (SiO2 with iron impurities)) — mineral

Amethyst

Crystalline Quartz (SiO2 with iron impurities)

Petrified Wood (Silicified Wood (SiO2)) — mineral

Petrified Wood

Silicified Wood (SiO2)

Kunzite (Spodumene) (Spodumene (LiAlSi2O6)) — mineral

Kunzite (Spodumene)

Spodumene (LiAlSi2O6)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Amazonite (K(AlSi3O8), Microcline) — mineral

Amazonite

K(AlSi3O8), Microcline

Amethyst (Pale/Light Variety) (Quartz (Silicon Dioxide) with Iron impurities - SiO2) — mineral

Amethyst (Pale/Light Variety)

Quartz (Silicon Dioxide) with Iron impurities - SiO2

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

Amethyst

Amethyst (Silicon Dioxide - SiO2 with iron impurities)

Dendritic Agate (Silicon Dioxide (SiO2) with inclusions) — mineral

Dendritic Agate

Silicon Dioxide (SiO2) with inclusions

Amazonite (with smoky quartz/feldspar inclusions) (K(AlSi3O8), Microcline (Tectosilicate)) — mineral

Amazonite (with smoky quartz/feldspar inclusions)

K(AlSi3O8), Microcline (Tectosilicate)

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

Smoky Quartz

Quartz (Silicon Dioxide, SiO2)

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

Amethyst (Rough Quartz)

Silicon Dioxide (SiO2) with iron impurities

Caribbean Calcite (Calcium Carbonate with Aragonite (CaCO3)) — mineral

Caribbean Calcite

Calcium Carbonate with Aragonite (CaCO3)

Quartz with Schist/Mica Inclusions (Crystalline Silicon Dioxide (SiO2) with Phyllosilicates) — metamorphic

Quartz with Schist/Mica Inclusions

Crystalline Silicon Dioxide (SiO2) with Phyllosilicates

Paraiba Tourmaline (Elbaite Tourmaline (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4) - Copper-bearing) — mineral

Paraiba Tourmaline

Elbaite Tourmaline (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4) - Copper-bearing

Amazonite (Amazonite (KAlSi3O8, a variety of Microcline)) — mineral

Amazonite

Amazonite (KAlSi3O8, a variety of Microcline)

Coprolite (Coprolite) — sedimentary

Coprolite

Coprolite

Limonite (Iron Ore/Hydrated Iron Oxide) (Limonite (mixture of FeO(OH)·nH₂O minerals, mainly Goethite, FeO(OH) and Lepidocrocite, FeO(OH))) — Mineral

Limonite (Iron Ore/Hydrated Iron Oxide)

Limonite (mixture of FeO(OH)·nH₂O minerals, mainly Goethite, FeO(OH) and Lepidocrocite, FeO(OH))

Lava Stone and Chakra Beads (Basalt (with various mineral/synthetic beads)) — igneous

Lava Stone and Chakra Beads

Basalt (with various mineral/synthetic beads)

Celadonite in Basalt (Green Earth) (Celadonite (K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2)) — mineral

Celadonite in Basalt (Green Earth)

Celadonite (K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Basalt (Greenstone) (Basalt with chlorite/epidote (often referred to as Greenstone)) — igneous

Basalt (Greenstone)

Basalt with chlorite/epidote (often referred to as Greenstone)

Quartzite with inclusions (Metamorphic Quartzite (SiO2 with accessory minerals)) — metamorphic

Quartzite with inclusions

Metamorphic Quartzite (SiO2 with accessory minerals)