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- Macdonaldite abstract "Macdonaldite is a rare barium silicate mineral with a chemical formula of BaCa4Si16O36(OH)2·10H2O. Macdonaldite was first described in 1965 and named for Gordon Andrew Macdonald (1911–1978) an American volcanologist at the University of Hawaii.Macdonaldite crystallises in the orthorhombic system. Macdonaldite is anisotropic with low relief.Macdonaldite appears as veins and fracture coatings in a sanbornite and quartz bearing metamorphic rock. Macdonaldite was first described in 1965 for an occurrence near the Big Creek-Rush Creek area in Fresno County, California. It has also been reported from Mariposa and Tulare counties in California. It has also been reported from a quarry in San Venanzo, Umbria, Italy.".
- Macdonaldite thumbnail Macdonaldite-356329.jpg?width=300.
- Macdonaldite wikiPageID "28813033".
- Macdonaldite wikiPageRevisionID "542830082".
- Macdonaldite 2v "Measured: 90°".
- Macdonaldite birefringence "0.012".
- Macdonaldite caption "White sprays of macdonaldite and blue botryoidal crust of mcguinnessite".
- Macdonaldite category Silicate_minerals.
- Macdonaldite cleavage "{010} perfect, {001} good, {100} indistinct".
- Macdonaldite color "Colorless, white".
- Macdonaldite diaphaneity "Transparent to translucent".
- Macdonaldite dispersion "Weak".
- Macdonaldite formula "BaCa4Si16O362·10H2O".
- Macdonaldite gravity "2.27".
- Macdonaldite habit "Acicular also fibrous, in radiating aggregates; granular".
- Macdonaldite hasPhotoCollection Macdonaldite.
- Macdonaldite luster "Vitreous - silky".
- Macdonaldite mohs "3.5".
- Macdonaldite name "Macdonaldite".
- Macdonaldite opticalprop "Biaxial , surface relief - low,".
- Macdonaldite refractive "nα = 1.518 nβ = 1.524 nγ = 1.530".
- Macdonaldite streak "White".
- Macdonaldite strunz "9".
- Macdonaldite symmetry Hermann%E2%80%93Mauguin_notation.
- Macdonaldite symmetry "Orthorhombic dipyramidal".
- Macdonaldite symmetry "Space group: C mcm".
- Macdonaldite system Orthorhombic_crystal_system.
- Macdonaldite unitCell "a = 14.06 Å, b = 23.52 Å,".
- Macdonaldite unitCell "c = 13.08 Å; Z = 4".
- Macdonaldite subject Category:Barium_minerals.
- Macdonaldite subject Category:Calcium_minerals.
- Macdonaldite subject Category:Orthorhombic_minerals.
- Macdonaldite subject Category:Phyllosilicates.
- Macdonaldite type Abstraction100002137.
- Macdonaldite type BariumMinerals.
- Macdonaldite type CalciumMinerals.
- Macdonaldite type Material114580897.
- Macdonaldite type Matter100020827.
- Macdonaldite type Mineral114662574.
- Macdonaldite type OrthorhombicMinerals.
- Macdonaldite type Part113809207.
- Macdonaldite type PhysicalEntity100001930.
- Macdonaldite type Relation100031921.
- Macdonaldite type Substance100019613.
- Macdonaldite type ChemicalSubstance.
- Macdonaldite type Mineral.
- Macdonaldite type ChemicalObject.
- Macdonaldite type Thing.
- Macdonaldite comment "Macdonaldite is a rare barium silicate mineral with a chemical formula of BaCa4Si16O36(OH)2·10H2O. Macdonaldite was first described in 1965 and named for Gordon Andrew Macdonald (1911–1978) an American volcanologist at the University of Hawaii.Macdonaldite crystallises in the orthorhombic system. Macdonaldite is anisotropic with low relief.Macdonaldite appears as veins and fracture coatings in a sanbornite and quartz bearing metamorphic rock.".
- Macdonaldite label "Macdonaldit".
- Macdonaldite label "Macdonaldite".
- Macdonaldite label "Macdonaldite".
- Macdonaldite sameAs Macdonaldit.
- Macdonaldite sameAs Macdonaldite.
- Macdonaldite sameAs m.0dd9rgt.
- Macdonaldite sameAs Q411794.
- Macdonaldite sameAs Q411794.
- Macdonaldite sameAs Macdonaldite.
- Macdonaldite wasDerivedFrom Macdonaldite?oldid=542830082.
- Macdonaldite depiction Macdonaldite-356329.jpg.
- Macdonaldite isPrimaryTopicOf Macdonaldite.
- Macdonaldite name "Macdonaldite".
