Locality type: | Complex |
Classification |
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Species: | 'Biotite' (not an IMA approved species) |
Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Biotite data |
Locality Data: | Click here to view Jebel Bou-Agrao, Amersid, Aït Oufella Caïdat, Midelt Cercle, Midelt Province, Drâa-Tafilalet Region, Morocco |
Data Identifiers |
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Mindat Occurrence Record ID: | 141311 |
Long-form Identifier: | 1:3:141311:3 |
GUID (UUID V4): | 2d4c3d63-da10-49af-a066-1d8c9dbb78b1 |
Nearest other occurrences of Biotite |
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12.4km (7.7 miles) | ⓘTamazert Complex, Aït Oufella Caïdat, Midelt Cercle, Midelt Province, Drâa-Tafilalet Region, Morocco |
52.9km (32.9 miles) | ⓘTourguejid Hill, Boumia Cäidat, Midelt Cercle, Midelt Province, Drâa-Tafilalet Region, Morocco |
References |
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Reference Search (possible matching items) |
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| | Book | localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...2013). MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series...vein-dike consists of ilmenite. magnetite, anatase, biotite, microcline and minor fluorapatite (Robinson and...in Switzerland, it is only in the Maderanertal region of east-central Canton Uri that clefts bearing...clefts are found fairly commonly throughout this region, such that only a handful of notable finds during | | | Book | in groups 8–12, show marked deviation. In this region of the Periodic Table, electronegativity increases...bonded substances, the electrons are confined to the region between the nuclei of the bonded atoms and they...(left, 6 cm) and grossular garnet (both from Kayes region, Mali); (C) grossular (Jeffrey mine, Canada, 5...(C) a tetragonal anatase crystal (Northern Cape province, South Africa, 8 mm). axis and the horizontal...Wavelengths shorter than that of violet, the ultraviolet region of the spectrum, are invisible to our eyes but |
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