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|Name:||Originally named after Samuel Milbourn Tweddill, the first curator of the Pretoria Geological Museum from 1897 to 1916.|
Originally called Tweddillite; renamed by the Epidote Subcommittee of the CNMMN in 2006.
Classification of Manganipiemontite-(Sr)
|Strunz 8th edition ID:||8/C.23-45|
|Nickel-Strunz 10th (pending) edition ID:||9.BG.05|
9 : SILICATES (Germanates)
B : Sorosilicates
G : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral  and greater coordination
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Type Occurrence of Manganipiemontite-(Sr)
|Type Locality:||Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa|
Physical Properties of Manganipiemontite-(Sr)
Crystallography of Manganipiemontite-(Sr)
Chemical Properties of Manganipiemontite-(Sr)
|Essential elements:||Al, Ca, H, Mn, O, Si, Sr|
|All elements listed in formula:||Al, Ca, H, Mn, O, Si, Sr|
Relationship of Manganipiemontite-(Sr) to other Species
|Member of:||Epidote Group|
|Other Members of Group:|
|Related Minerals - Nickel-Strunz Grouping):|
Other Names for Manganipiemontite-(Sr)
|Health Warning:||No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.|
References for Manganipiemontite-(Sr)
Armbruster,T., E. Gnos, R. Dixon, J. Gutzmer, C. Hejny, N. Döbelin & O. Medenbach (2002): Manganvesuvianite and tweddillite, two new Mn3+-silicate minerals from the Kalahari Manganese fields, South Africa.- Mineralogical Magazine: 66: 137-150.
Fukushima, H., Minakawa, T. & Nishio, D. (2005): Ba-rich tweddillite from the Kamisugai mine in the Sambagawa metamorphic belt, Shikoku, Japan. Ganseki Kobutsu Kagaku 34, 69-76. (in Japanese)
Internet Links for Manganipiemontite-(Sr)
Localities for Manganipiemontite-(Sr)
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.