Locality type: | Pegmatite |
Classification |
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Species: | Bermanite |
Formula: | Mn2+Mn23+(PO4)2(OH)2 · 4H2O |
Comments: | Analysed by Miss Mrose with XRD in 1956 |
Habit: | small crystals< 0,5 mm forming rims around masses of phosphosiderite |
Colour: | redbrown |
Confirmation |
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Validity: | Confirmed |
Confirmation Methods: | XRD |
Data |
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Mineral Data: | Click here to view Bermanite data |
Locality Data: | Click here to view Marivolanitra pegmatite, Mandrosonoro, Ambatofinandrahana District, Amoron'i Mania, Madagascar |
Data Identifiers |
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Mindat Occurrence Record ID: | 267979 |
Long-form Identifier: | 1:3:267979:2 |
GUID (UUID V4): | f0c447ff-4171-49e7-9936-b1f9d8470523 |
References |
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Reference Search (possible matching items) |
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| | Book | and structure of the Moine Schists in the Morar district, western Inverness-shire. Abstract. Proc. geol...the sedimentary-volcanic sequences in the Kenema district of Sierra Leone reach the amphibolite and granulite...ages of 1850-2050 m.y. have been obtained for pegmatite minerals (Cahen, 1961, p. 546; Cahen and Snelling...Lukoshi Formation (Fig. 2); muscovite from a pegmatite cutting a manganese member of the Lukoshi sediments...world, is dealt with by Simpson (Chapter 5). Pegmatite from this complex has given an age of about 1200 |
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