Dellens, Michel, Piret, Paul (1979) Ranunculite, AlH(UO2)(PO4)(OH)3 · 4H2O, a new mineral. Mineralogical Magazine, 43 (327) 321-323 doi:10.1180/minmag.1979.043.327.01
Reference Type | Journal (article/letter/editorial) | ||
---|---|---|---|
Title | Ranunculite, AlH(UO2)(PO4)(OH)3 · 4H2O, a new mineral | ||
Journal | Mineralogical Magazine | ISSN | 0026-461X |
Authors | Dellens, Michel | Author | |
Piret, Paul | Author | ||
Year | 1979 (September) | Volume | 43 |
Page(s) | 321-323 | Issue | 327 |
Publisher | Mineralogical Society | ||
Download URL | https://rruff.info/doclib/MinMag/Volume_43/43-327-321.pdf+ | ||
DOI | doi:10.1180/minmag.1979.043.327.01Search in ResearchGate | ||
Classification | Not set | LoC | Not set |
Mindat Ref. ID | 3036 | Long-form Identifier | mindat:1:5:3036:0 |
GUID | 31c50b64-0d5b-44fd-8384-2655f7b818c0 | ||
Full Reference | Dellens, Michel, Piret, Paul (1979) Ranunculite, AlH(UO2)(PO4)(OH)3 · 4H2O, a new mineral. Mineralogical Magazine, 43 (327) 321-323 doi:10.1180/minmag.1979.043.327.01 | ||
Plain Text | Dellens, Michel, Piret, Paul (1979) Ranunculite, AlH(UO2)(PO4)(OH)3 · 4H2O, a new mineral. Mineralogical Magazine, 43 (327) 321-323 doi:10.1180/minmag.1979.043.327.01 | ||
In | (1979, September) Mineralogical Magazine Vol. 43 (327) Mineralogical Society | ||
Abstract/Notes | Ranunculite occurs as gold-yellow nodules. Mean diameter = 0.3 mm. Optically biaxial negative, 2V (calc.) = 56°. γ =1.670, β = 1.664, and α = 1.643. Monoclinic, pseudo-orthorhombic with a = 11.1 Å, b = 17.7 Å, c = 18.0 Å, and β ⋍ 90°. Z = 14. Measured density = 3.4 g/cm3. Calculated density = 3.39 g/cm3. The strongest lines of the X-ray powder pattern are (d, hkl, I): 9.00, 002–020 (100), 3.133, 330 (80), 470, 202–220 (50), 2.978, 006–060 (40), and 1.850, 600 (40). Chemical analysis by electron microprobe: Al2O3 9.9%, UO3 54.5%, P2O5 13.2%, H2O by thermogravimetry 20.3%. Formula: AlH(UO2)(PO4)(OH)3 · 4H2O. Ranunculite occurs at Kobokobo, Kivu, Zaïre, in pegmatitic rocks. The name after the colour (ranunculus = buttercup). |
Map of Localities
Locality Pages
Locality | Citation Details |
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Kobokobo pegmatite, Mwenga Territory, South Kivu, DR Congo |
Mineral Pages
Mineral | Citation Details |
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Ranunculite |
Mineral Occurrences
Locality | Mineral(s) |
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Kobokobo pegmatite, Mwenga Territory, South Kivu, DR Congo | ⓘ Ranunculite |
See Also
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