Locality type: | Pegmatite |
Classification |
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Species: | Quartz var: Smoky Quartz |
Formula: | SiO2 |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Smoky Quartz data |
Locality Data: | Click here to view Sarodivotra, Anjanabonoina pegmatites, Ambohimanambola, Betafo District, Vakinankaratra, Madagascar |
Data Identifiers |
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Mindat Occurrence Record ID: | 1238437 |
Long-form Identifier: | 1:3:1238437:6 |
GUID (UUID V4): | 872b5717-5fef-4d0e-9b41-ffe217b240f4 |
Nearest other occurrences of Smoky Quartz |
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0.6km (0.4 miles) | ⓘAnjanabonoina pegmatites, Ambohimanambola, Betafo District, Vakinankaratra, Madagascar |
29.8km (18.5 miles) | ⓘTsaramanga pegmatite, Mahaiza, Betafo District, Vakinankaratra, Madagascar |
42.8km (26.6 miles) | ⓘVavatany pegmatites, Mangarano, Antsirabe II District, Vakinankaratra, Madagascar |
43.8km (27.2 miles) | ⓘBelamosina (Ambatofotsy) pegmatites, Ambatonikolahy, Betafo District, Vakinankaratra, Madagascar |
48.2km (30.0 miles) | ⓘTompoambohitra (Tokambohitra), Sahatany Valley, Ibity, Antsirabe II District, Vakinankaratra, Madagascar |
48.2km (30.0 miles) | ⓘAntemitra, Sahatany Valley, Ibity, Antsirabe II District, Vakinankaratra, Madagascar |
49.7km (30.9 miles) | ⓘAndrianampy, Sahatany Valley, Ibity, Antsirabe II District, Vakinankaratra, Madagascar |
57.3km (35.6 miles) | ⓘTsilaizina pegmatite, Sahanivotry Manandona, Antsirabe II District, Vakinankaratra, Madagascar |
61.6km (38.3 miles) | ⓘMahazina Quarries, Sahanivotry Manandona, Antsirabe II District, Vakinankaratra, Madagascar |
83.9km (52.2 miles) | ⓘAmbatofotsy pegmatite, Mahavelona, Soavinandriana District, Itasy, Madagascar |
References |
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Reference Search (possible matching items) |
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| | Journal (article/letter/editorial) | GEM-MINERALIZED AND “HYBRID” ANJANABONOINA GRANITIC PEGMATITE, CENTRAL MADAGASCAR: A RECORD OF MAGMATIC AND... Moro 5, I–00185 Roma, Italy Abstract The Anjanabonoina rare-element-enriched granitic pegmatite dikes...dikes, located about 40 km southwest of Betafo, in central Madagascar, are emplaced in a complex environment...strongly zoned and, in the mineralized area called Sarodivotra, they show a rich paragenetic assemblage in which...spodumene, and hambergite) typical of much of the Anjanabonoina dike. Large crystals of pyrochlore of the first | | | Journal (article/letter/editorial) | earmark of NYF-type granitic pegmatites? Clues from hybrid pegmatites in Madagascar Robert F. Martin,1,* Caterina...is considered an earmark of evolved granitic pegmatites of NYF type. Elements of an explanation of the...a study of the classic Anjanabonoina “hybrid” granitic pegmatite in Madagascar. The NYF assemblages there...there and at the Sakavalana and Anjahamiary pegmatites contain magmatic U- and Th-rich accessory phases...perthite. The amazonitic microcline perthite at Anjanabonoina has a δ18O value above 15‰, and that at Sakavalana | | | Journal (article/letter/editorial) | 165 THE LATE-STAGE MINIFLOOD OF Ca IN GRANITIC PEGMATITES: AN OPEN-SYSTEM ACID-REFLUX MODEL INVOLVING PLAGIOCLASE...Abstract As Richard H. Jahns used to say, granitic pegmatites are prone to stew in their own juice. The early...country rock, mostly from the apical parts of zoned pegmatites. There, it interacts with plagioclase in any...replaced by cleavelanditic albite + muscovite + quartz, mostly in the range 250–400°C, a process that...original cavities and creates new ones. Miarolitic pegmatites of either NYF and LCT affiliation contain clear |
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