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- Efremovite abstract "Efremovite is a rare ammonium sulfate mineral with the chemical formula: (NH4)2Mg2(SO4)3. It is a white to gray cubic mineral. This anhydrous sulfate occurs as constituent in sulfate crusts of burning coal dumps. It is hygroscopic and when exposed to humid air it slowly converts to the hydrate form, boussingaultite.It was first described in 1989 for an occurrence in the Chelyabinsk coal basin, Southern Urals, Russia. It was named for Russian geologist Ivan Antonovich Yefremov (1907–1972). It has also been reported from several coal mining areas across Europe. It occurs in association with native sulfur, kladnoite, mascagnite, and boussingaultite.".
- Efremovite wikiPageID "24007439".
- Efremovite wikiPageRevisionID "538355022".
- Efremovite alteration "Readily hygroscopic".
- Efremovite category Sulfate_minerals.
- Efremovite cleavage "None".
- Efremovite color "White to gray".
- Efremovite diaphaneity "Transparent to nearly opaque".
- Efremovite formula "2".
- Efremovite fracture "Uneven".
- Efremovite gravity "2.52".
- Efremovite habit "Equant grains and crusts".
- Efremovite hasPhotoCollection Efremovite.
- Efremovite luster "Vitreous".
- Efremovite mohs "2".
- Efremovite name "Efremovite".
- Efremovite opticalprop "Isotropic".
- Efremovite refractive "n = 1.550".
- Efremovite strunz "7".
- Efremovite symmetry "Isometric tetartoidal H-M Symbol".
- Efremovite system Cubic_crystal_system.
- Efremovite unitCell "a = 9.99 Å; Z = 2".
- Efremovite subject Category:Ammonium_minerals.
- Efremovite subject Category:Cubic_minerals.
- Efremovite subject Category:Magnesium_minerals.
- Efremovite subject Category:Sulfate_minerals.
- Efremovite type Abstraction100002137.
- Efremovite type AmmoniumMinerals.
- Efremovite type CubicMinerals.
- Efremovite type MagnesiumMinerals.
- Efremovite type Material114580897.
- Efremovite type Matter100020827.
- Efremovite type Mineral114662574.
- Efremovite type Part113809207.
- Efremovite type PhysicalEntity100001930.
- Efremovite type Relation100031921.
- Efremovite type Substance100019613.
- Efremovite type SulfateMinerals.
- Efremovite type ChemicalSubstance.
- Efremovite type Mineral.
- Efremovite type ChemicalObject.
- Efremovite type Thing.
- Efremovite comment "Efremovite is a rare ammonium sulfate mineral with the chemical formula: (NH4)2Mg2(SO4)3. It is a white to gray cubic mineral. This anhydrous sulfate occurs as constituent in sulfate crusts of burning coal dumps. It is hygroscopic and when exposed to humid air it slowly converts to the hydrate form, boussingaultite.It was first described in 1989 for an occurrence in the Chelyabinsk coal basin, Southern Urals, Russia. It was named for Russian geologist Ivan Antonovich Yefremov (1907–1972).".
- Efremovite label "Efremovite".
- Efremovite label "Efremovite".
- Efremovite sameAs Efremovite.
- Efremovite sameAs m.07kfnzk.
- Efremovite sameAs Q3720264.
- Efremovite sameAs Q3720264.
- Efremovite sameAs Efremovite.
- Efremovite wasDerivedFrom Efremovite?oldid=538355022.
- Efremovite isPrimaryTopicOf Efremovite.
- Efremovite name "Efremovite".