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Niobophyllite from
Mount Malosa, Zomba, Southern Region, Malawi


07847760017645849962953.jpg
Niobophyllite, etc.

Mount Malosa, Zomba, Southern Region, Malawi
01133480017645269437498.jpg
Niobophyllite, etc.

Mount Malosa, Zomba, Southern Region, Malawi
06408390017645850712711.jpg
Niobophyllite

Mount Malosa, Zomba, Southern Region, Malawi
05844690017645264393559.jpg
Niobophyllite

Mount Malosa, Zomba, Southern Region, Malawi
08537620017645849942336.jpg
Niobophyllite, etc.

Mount Malosa, Zomba, Southern Region, Malawi
05896340017645269394377.jpg
Niobophyllite, etc.

Mount Malosa, Zomba, Southern Region, Malawi
05311770017645850704549.jpg
Niobophyllite

Mount Malosa, Zomba, Southern Region, Malawi
06454200017645263471636.jpg
Niobophyllite

Mount Malosa, Zomba, Southern Region, Malawi
09988500017647065324621.jpg
Niobophyllite, etc.

Mount Malosa, Zomba, Southern Region, Malawi
01133480017645269437498.jpg
Niobophyllite, etc.

Mount Malosa, Zomba, Southern Region, Malawi
08290790017645883425520.jpg
Niobophyllite

Mount Malosa, Zomba, Southern Region, Malawi
05844690017645264393559.jpg
Niobophyllite

Mount Malosa, Zomba, Southern Region, Malawi
Locality type:Mountain
Classification
Species:Niobophyllite
Formula:K2NaFe72+(NbTi)[Si4O12]2O2(OH)4O
Comments:Much labelled "Niobophyllite" is not. Please see: https://www.mindat.org/forum.php?read,6,423443,423443,page=1#msg-423443
Abundance at site:Rare
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Aegirine13
Quartz10
Feldspar Group9
K Feldspar2
Zircon1
Data
Mineral Data:Click here to view Niobophyllite data
Locality Data:Click here to view Mount Malosa, Zomba, Southern Region, Malawi
Photo GalleryView Gallery (28 photos)
Data Identifiers
Mindat Occurrence Record ID:116334
Long-form Identifier:1:3:116334:6
GUID (UUID V4):0
References
Demartin, F.
Demartin, Francesco; Guastoni, Alessandro; Pezzotta, Federico (2003) Barylith, Niobophyllit & yttriumreicher Milarit - Neufunde aus den Pegmatiten von Zomba-Malosa, Malawi [Barylite, niobophyllite & yttrium-rich milarite - new finds from the pegmatites of Zomba-Malosa, Malawi]. Lapis, 28 (1). 18-21; 58
Guastoni, A., & Pezzotta, F. (2007). REE-mineral phases replacing helvite, niobian-rutile, bastnÃĪsite-(Ce) from alkaline pegmatites of Mount Malosa, Zomba District, Malawi. Granitic Pegmatites: the State of the Art. Memorias, 8, 42-43.
Guastoni, A., Nestola, F., Giaretta, A. (2009) Mineral chemistry and alteration of rare earth element (REE) carbonates from alkaline pegmatites of Mount Malosa, Malawi. American Mineralogist, 94 (8) 1216-1222 doi:10.2138/am.2009.3185
 
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