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- Bertrandite abstract "Bertrandite is a beryllium sorosilicate hydroxide mineral with composition: Be4Si2O7(OH)2. Bertrandite is a colorless to pale yellow orthorhombic mineral with a hardness of 6-7. It is commonly found in beryllium rich pegmatites and is in part an alteration of beryl. Bertrandite often occurs as a pseudomorphic replacement of beryl. Associated minerals include beryl, phenakite, herderite, tourmaline, muscovite, fluorite and quartz.It, with beryl, are ores of beryllium.It was discovered near Nantes, France in 1883 and named after French mineralogist, Emile Bertrand (1844–1909).".
- Bertrandite thumbnail Bertrandite-38545.jpg?width=300.
- Bertrandite wikiPageID "1430304".
- Bertrandite wikiPageRevisionID "542239698".
- Bertrandite 2v "Measured: 73° to 81°".
- Bertrandite birefringence "δ = 0.023".
- Bertrandite caption "Bertrandite from the Golconda pegmatite, Minas Gerais, Brazil".
- Bertrandite category Silicate_minerals.
- Bertrandite cleavage "Perfect on {001}; distinct on {100}, {010} and {110}".
- Bertrandite color "Colorless to pale yellow".
- Bertrandite diaphaneity "Transparent".
- Bertrandite formula "Be4Si2O72".
- Bertrandite gravity "2.59".
- Bertrandite habit "Thin tabular, prismatic to needle-like crystals commonly in radial clusters".
- Bertrandite hasPhotoCollection Bertrandite.
- Bertrandite luster "Vitreous, pearly on cleavage surfaces".
- Bertrandite mohs "6".
- Bertrandite name "Bertrandite".
- Bertrandite opticalprop "Biaxial".
- Bertrandite refractive "nα = 1.591 nβ = 1.605 nγ = 1.614".
- Bertrandite strunz "9".
- Bertrandite symmetry Hermann%E2%80%93Mauguin_notation.
- Bertrandite symmetry "Orthorhombic pyramidal".
- Bertrandite symmetry "Space group: Ccm21".
- Bertrandite system Orthorhombic_crystal_system.
- Bertrandite twinning "Common on {011} or {021} forming heart or V shaped twins".
- Bertrandite unitCell "a = 8.7135 Å, b = 15.268 Å, c = 4.5683 Å; Z=4".
- Bertrandite subject Category:Beryllium_minerals.
- Bertrandite subject Category:Orthorhombic_minerals.
- Bertrandite subject Category:Sorosilicates.
- Bertrandite type Abstraction100002137.
- Bertrandite type BerylliumMinerals.
- Bertrandite type Material114580897.
- Bertrandite type Matter100020827.
- Bertrandite type Mineral114662574.
- Bertrandite type OrthorhombicMinerals.
- Bertrandite type Part113809207.
- Bertrandite type PhysicalEntity100001930.
- Bertrandite type Relation100031921.
- Bertrandite type Substance100019613.
- Bertrandite type ChemicalSubstance.
- Bertrandite type Mineral.
- Bertrandite type ChemicalObject.
- Bertrandite type Thing.
- Bertrandite comment "Bertrandite is a beryllium sorosilicate hydroxide mineral with composition: Be4Si2O7(OH)2. Bertrandite is a colorless to pale yellow orthorhombic mineral with a hardness of 6-7. It is commonly found in beryllium rich pegmatites and is in part an alteration of beryl. Bertrandite often occurs as a pseudomorphic replacement of beryl.".
- Bertrandite label "Bertrandiet".
- Bertrandite label "Bertrandita".
- Bertrandite label "Bertrandita".
- Bertrandite label "Bertrandite".
- Bertrandite label "Bertrandite".
- Bertrandite label "Bertrandite".
- Bertrandite label "Бертрандит".
- Bertrandite sameAs Bertrandita.
- Bertrandite sameAs Bertrandite.
- Bertrandite sameAs Bertrandite.
- Bertrandite sameAs Bertrandiet.
- Bertrandite sameAs Bertrandita.
- Bertrandite sameAs m.050xs9.
- Bertrandite sameAs Q2582855.
- Bertrandite sameAs Q2582855.
- Bertrandite sameAs Bertrandite.
- Bertrandite wasDerivedFrom Bertrandite?oldid=542239698.
- Bertrandite depiction Bertrandite-38545.jpg.
- Bertrandite isPrimaryTopicOf Bertrandite.
- Bertrandite name "Bertrandite".
