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Hafnon from
Morro Conco mine, Alto Mólocuè District, Zambezia Province, Mozambique


Locality type:Mine
Classification
Species:Hafnon
Formula:HfSiO4
Comments:Two samples of zonated zircon-hafnon crystal from Conco (Morro Conco) were analyzed by XRF analysis among 7 other samples from localities in the Alto Ligonha pegmatites, Mozambique.
The data for the sample (bulk analysis) gave a Hf/(Hf+Zr) ratio of 38 and 47, thus a hafnian Zircon.

The samples were not microprobed. The zircon/hafnon crystal was zoned. The xrf data gave only an average, and didn't give a minimum-maximum range within a crystal. So it's possible that hafnon could exist as a zonated area in the samples or in other zircon-hafnon crystals at Morro Conco, but this was not proved by Correia Neves et al. 1974.

See also discussion at https://www.mindat.org/mesg-558525.html
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Hafnon data
Locality Data:Click here to view Morro Conco mine, Alto Mólocuè District, Zambezia Province, Mozambique
Data Identifiers
Mindat Occurrence Record ID:5968
Long-form Identifier:1:3:5968:8
GUID (UUID V4):ad7a2d21-4210-41bc-8527-7541b43a2aa6
Nearest other occurrences of Hafnon
3.2km (2.0 miles) ⓘMoneia Mine, Alto Mólocuè District, Zambezia Province, Mozambique
43.6km (27.1 miles) ⓘNaipa mine, Muiane-Naipa group, Gilé District, Zambezia Province, Mozambique
45.3km (28.1 miles) ⓘMuiâne pegmatite (Muiâne mine; Emdal mines), Muiane-Naipa group, Gilé District, Zambezia Province, Mozambique
References
Neves, J. M. Correia, Nunes, J. E. Lopes, Sahama, Th. G. (1974) High hafnium members of the zircon-hafnon series from the granite pegmatites of Zambézia, Mozambique. Contributions to Mineralogy and Petrology, 48 (1) 73-80 doi:10.1007/bf00399111
Reference Search (possible matching items)
(2023) Hafnon. Handbook of Mineralogy. Mineralogical Society of America
Report (issue)
Hafnon Hf SiO4 c 2001 ° Mineral Data Publishing, version 1.2 Crystal Data: Tetragonal. Point Group:...72.52 Total 101.38 100.93 (1) Mui^ane mine, Mozambique; by electron microprobe, corresponding to...tantalum-bearing granite pegmatites (Zamb¶ezia district, Mozambique); in a weathered pegmatite (Mt. Holland...Association: Cookeite, albite (Zamb¶ezia district, Mozambique); quartz, potassic feldspar, muscovite,...Distribution: In the Morro Conco, Moneia, and Mui^ane mines, Morrua area, Zamb¶ezia district, Mozambique. At Bikita
(2000) Mozambique!. The Mineralogical Record Vol. 31 (6) The Mineralogical Record, Inc.
Journal (issue)
November-December 2000 Volume Thirty-one, Number Six MOZAMBIQUE! Africa in the Mineralogical R e c o rd .......by W. E. Wilson Famous mineral localities: The Alto Ligonha pegmatites, M ozam bique..................ELBAITE crystal, 7.3 cm, from the Alto Ligonha district, Mozambique. American M useum of Natural History...present our first article on mineral occurrences in Mozambique, but certainly not the first to deal with African...20:191-200 MALAWI Zomba district, 25:29-35, 38 MOROCCO Bou-Azzer, 9:69-73 Toussit mine, 11:59-61, 15:347-350
Back, Malcolm E., Mandarino, Joseph A. (2008) Fleischer's Glossary of Mineral Species 2008. The Mineralogical Record, Inc.
Book (edition)
Cand CSPG Pennskiye gubemskiye wdomo.sti (Perm district ga=elle) Pl,ilosopl,ical Maga=ine Periodico de...Abernathyitc, K[(UO 2 )(AsO,)](HP) 3, tet., Fumerole No. 2 mine, Temple Mountain. on the southeast flank of the...104(3). 326-328 □ Achavnlitc, FcSe, hex .. Cacheuta Mine. Ccrro de Cacheuta. Sierra de Cacheuta. Mcndoza...AgardJte-(Ce), CeCu.(AsO4)i(OH).-3H1O, hex., Clara mine, central Black Forest, Gennany,A1ifSS(2004),17-23...(Y,Ca)Cu6(AsO.)i(OH).-3H1O. hex., Bou-Skourcoppcr mine, Ouarzazatc. Morocco,SS, 1447 □ Mixite group AgrelUte
 
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