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Varulite from
Helikon II pegmatite, Okongava Ost Farm 72, Karibib Constituency, Erongo Region, Namibia


Locality type:Pegmatite
Classification
Species:Varulite
Formula:NaCaMn2+Mn22+(PO4)3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Varulite data
Locality Data:Click here to view Helikon II pegmatite, Okongava Ost Farm 72, Karibib Constituency, Erongo Region, Namibia
Data Identifiers
Mindat Occurrence Record ID:432670
Long-form Identifier:1:3:432670:0
GUID (UUID V4):ce9932fb-fcb1-4758-a5b6-9584f4d781a6
References
P. Keller et al., NJMA 183, 197-201 (2007)
Reference Search (possible matching items)
Keller, Paul, Fontan, François, Roldan, Francisco Velasco, de Parseval, Philippe (2007) Joosteite, Mn2+(Mn3+, Fe3+)(PO4)O: a new phosphate mineral from the Helikon II Mine, Karibib, Namibia. Neues Jahrbuch für Mineralogie - Abhandlungen, 183 (2) 197-201 doi:10.1127/0077-7757/2007/0069
Journal (article/letter/editorial)
a new phosphate mineral from the Helikon II Mine, Karibib, Namibia Paul Keller, François Fontan, Francisco...found in the granitic rare element pegmatite Helikon II, Karibib, Namibia. The new mineral is the Mn3 + -analogue...lithiophilite, sicklerite, eosphorite, amblygonite, varulite, dickinsonite, hureaulite, apatite and unidentified...new mineral honours Mrs. Charlotte Jooste, Karibib, Namibia. Key words: Joosteite, Mn2 + (Mn3 + , Fe3...staněkite, granitic pegmatites, Helikon II mine, Karibib, Namibia. Introduction During a research program
Keller, Paul, Lissner, Falk, Schleid, Thomas (2007) The crystal structure of joosteite, (Mn2+,Mn3+,Fe3+)2[PO4]O, from the Helikon II Mine, Karibib (Namibia), and its relationship to staneěkite, (Fe3+,Mn2+,Fe2+,Mg)2[PO4]O. Neues Jahrbuch für Mineralogie - Abhandlungen, 184 (2) 225-230 doi:10.1127/0077-7757/2007/0095
Journal (article/letter/editorial)
(Mn2+,Mn3+,Fe3+)2[PO4]O, from the Helikon II Mine, Karibib (Namibia), and its relationship to staněkite...Fe3+)2[PO4]O, from the type locality Helikon II pegmatite, Karibib (Namibia), space group I2/a, a 11.888(2)...folded zigzag chains and β-Fe2[PO4]O-I or β-Fe2[PO4]O-II is likewise joined together by common vertices but...crystal structure, staněkite, polymorphism, pegmatite, Namibia. Introduction Joosteite was first described...from the granitic pegmatite Helikon II mine at Okongava-Ost farm, Karibib (Namibia) (Keller et al. 2007)
(2023) Joosteite. Handbook of Mineralogy. Mineralogical Society of America
Report (issue)
17(3)° Z = 8 X-ray Powder Pattern: Helikon II pegmatite, Karibib, Namibia. 2.819 (10), 3.077 (8), 3.209 (6)...32.14 32.12 35.74 . 100.00 (1) Helikon II pegmatite, Karibib, Namibia; by electron microprobe, corresponding...rare-element pegmatite. Association: Lithiophilite, sicklerite, eosphorite, amblygonite, varulite, dickinsonite...oxides. Distribution: From the Helikon II pegmatite, Karibib, Namibia. Name: Honors Mrs. Charlotte Jooste...(1920-2009), Karibib, Namibia, for her support of pegmatite research in Central Namibia. Type Material:
 
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