Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
mineral
Category
Mineral (Specifically A Mineraloid)
Browse mineral (specifically a mineraloid) specimens identified by the Rock Identifier community.
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Amazonite
Amazonite (KAlSi3O8); a green variety of Microcline feldspar
mineral
Moqui Marble (Shaman Stone)
Ironstone Concretion (Iron oxide Fe2O3 and FeO(OH))
sedimentary
Banded Agate
Silicon Dioxide (SiO2) - Chalcedony
sedimentary
Botryoidal Hematite (Iron Stone Conglomerate)
Hematite (Fe2O3) in sedimentary matrix
sedimentary
Imperial Topaz
Al2SiO4(F,OH)2 (Fluorine-bearing Aluminum Silicate)
gemstone
Granite (Pink/Potassium Feldspar Granite)
Felsic Plutonic Rock (Potassium Feldspar, Quartz, Mica, and Amphibole)
igneous
Ferrosilicon Slag (Industrial Vitrified Glass)
Vitreous Silicate Residue
Antropogenic (Man-made industrial byproduct)
Greenschist
Greenschist (chlorite-epidote schist)
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Yellow Jasper
Silicon Dioxide (SiO2) - Impure Cryptocrystalline Quartz
sedimentary
Granite Pebble (Pink/Orthoclase Granite)
Granite
igneous
Pink Granite
Felsic intrusive igneous rock
igneous
Granite Pegmatite
Phaneritic Plutonic Igneous Rock
igneous
Glauconitic Sandstone (Greensand)
Glauconitic Sandstone ((K, Na)(Fe3+, Al, Mg)2(Si, Al)4O10(OH)2)
sedimentary
Moss Agate
Silicon Dioxide (SiO2) with inclusions of Manganese or Iron oxide
mineral
Moss Agate
Chalcedony (Silicon Dioxide / SiO2)
mineral
Amethyst Lace Agate / Banded Amethyst
Silicon Dioxide (SiO2) with Fe3+ impurities
mineral
Red Sandstone
Clastic Sedimentary Mineraloid (predominantly Quartz grains with Iron Oxide cement)
sedimentary
Yellow Jasper (Chert)
Silicon Dioxide (SiO2) with Iron Oxide impurities
mineral
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Specular Hematite (Specularite)
Hematite (Iron(III) oxide) - Fe2O3
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Banded Agate (Onyx variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Fancy Jasper
Cryptocrystalline Quartz (SiO2) with iron oxide inclusions
mineral
Tourmalinated Quartz
Crystalline Silicon Dioxide with Schorl inclusions (SiO2 + NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Pink Granite
Phaneritic Felsic Intrusive Igneous Rock
igneous
Sandstone (Micaceous/Feldspathic variant)
Arenite (specifically subarkose or lithic arenite)
sedimentary
Slag
Ferrous slag (by-product of iron smelting)
Mineraloid / Anthropogenic
Green Aventurine
Silicon Dioxide (Quartz variety) with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
metamorphic
Amethyst on Matrix
Amethyst (Silicon Dioxide, SiO2) with impurities of iron and irradiation
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Bloodstone (Heliotrope)
Chalcedony (SiO2) with inclusions of Iron Oxide or Red Jasper
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Orange Quartz with Hematite inclusions
Quartz (SiO2) with Hematite (Fe2O3) inclusions
Mineral
Nuummite
Orthorhombic amphibole (Gedrite and Anthophyllite mixture) - (Mg,Fe)7Si8O22(OH)2
metamorphic
Sandstone (likely Graywacke or Siltstone variety)
Clastic Sedimentary Rock (SiO2 with assorted mineral fragments)
sedimentary
Quartz (Clear / Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Pink Granite
Phaneritic intrusive igneous rock (Felsic)
igneous