Locality type: | Pegmatite |
Classification |
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Species: | Topaz |
Formula: | Al2(SiO4)(F,OH)2 |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Topaz data |
Locality Data: | Click here to view Ampandramaika pegmatite, Mandrosonoro, Ambatofinandrahana District, Amoron'i Mania, Madagascar |
Data Identifiers |
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Mindat Occurrence Record ID: | 274864 |
Long-form Identifier: | 1:3:274864:1 |
GUID (UUID V4): | 128d415a-e357-42fe-b242-fbd15a0cb403 |
Nearest other occurrences of Topaz |
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76.1km (47.3 miles) | ⓘAmpanobe, Ikalamavony Commune, Ikalamavony District, Haute Matsiatra, Madagascar |
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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