| Locality type: | Pegmatite |
| Classification |
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| Species: | Londonite |
| Formula: | (Cs,K,Rb)Al4Be4(B,Be)12O28 |
| Comments: | White to yellowish-white 0,5 to 1 cm large crystals often on tourmaline with a Pb-Mn-rich core (Pers. com Dr. Federico Pezzotta 2005)
A pink variety of londonite (Pb-rich) is also reported (Pers. com Dr. Federico Pezzotta to Knut Edvard Larsen mai 2007)
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| Habit: | Dominated by {110}.
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| Colour: | white to yellowish-white; pinkish |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Tourmaline | ⓘ6 photos of Londonite associated with Tourmaline at this locality. |
| K Feldspar | ⓘ1 photo of Londonite associated with K Feldspar at this locality. |
| Elbaite-Liddicoatite Series | ⓘ1 photo of Londonite associated with Elbaite-Liddicoatite Series at this locality. |
| Albite | ⓘ1 photo of Londonite associated with Albite at this locality. |
| Quartz | ⓘ1 photo of Londonite associated with Quartz at this locality. |
| Data |
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| Mineral Data: | Click here to view Londonite data |
| Locality Data: | Click here to view Ambalabe pegmatite, Manapa pegmatite Field, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar |
| Photo Gallery | View Gallery (5 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 483813 |
| Long-form Identifier: | 1:3:483813:5 |
| GUID (UUID V4): | 98da7ee1-d6d0-4e16-b9e3-04bf61945706 |
| References |
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| Reference Search (possible matching items) |
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 | Pekov, I. V., Yakubovich, O. V., Massa, W., Chukanov, N. V., Kononkova, N. N., Agakhanov, A. A., Karpenko, V. Y. (2010) Londonite from the Urals, and new aspects of the crystal chemistry of the rhodozite-londonite series. The Canadian Mineralogist, 48 (2) 241-254 doi:10.3749/canmin.48.2.241 | Journal (article/letter/editorial) | | 241 LONDONITE FROM THE URALS, AND NEW ASPECTS OF THE CRYSTAL CHEMISTRY OF THE RHODIZITE–LONDONITE SERIES...(both cotype localities) and Alabashka granitic pegmatite fields, Central Urals, Russia. All are Cs-dominant...and must now be considered londonite. The crystal structure of londonite from Sarapulka was solved from...solid-solution system between rhodizite (K-dominant), londonite (Cs-dominant) and the hypothetical K- and Cs-free...species-defining elements are marked in bold. The rhodizite–londonite series is structurally related to pharmacosiderite- |
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Ambalabe pegmatite, Manapa pegmatite Field, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar