The pascoite family of minerals, including the redefinition of rakovanite

Mineral species that contain the decavanadate isopolyanion [V10O28]6-, including its protonated and mixed-valence variants, constitute the pascoite family of minerals. Within the pascoite family, the isostructural minerals pascoite and magnesiopascoite form the pascoite group and the isostructural m...

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Bibliographic Details
Published in:	Canadian mineralogist Vol. 59; no. 4; pp. 771 - 779
Main Authors:	Kampf, Anthony R, Hughes, John M, Cooper, Mark A, Hawthorne, Frank C, Nash, Barbara P, Olds, Travis A, Adams, Paul M, Marty, Joe
Format:	Journal Article
Language:	English
Published:	Mineralogical Association of Canada 01-07-2021
Subjects:	chemical composition classification coordination crystal chemistry crystal structure decavanadate FTIR spectra infrared spectra lasalite group Mineralogy nonsilicates pascoite group rakovanite refinement spectra vanadates
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Summary:	Mineral species that contain the decavanadate isopolyanion [V10O28]6-, including its protonated and mixed-valence variants, constitute the pascoite family of minerals. Within the pascoite family, the isostructural minerals pascoite and magnesiopascoite form the pascoite group and the isostructural minerals lasalite and ammoniolasalite form the lasalite group. Rakovanite, which was originally assigned the ideal formula Na3[H3V10O28] · 15H2O, is redefined with the ideal formula (NH4)3Na3[V10O28] · 12H2O.
ISSN:	0008-4476 1499-1276
DOI:	10.3749/canmin.2000082