Locality type: | Claim |
Classification |
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Species: | Wilancookite |
Formula: | (Ba5Li2◻)Ba6Be24P24O96 · 26H2O |
Chemical Analyses: |
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Oxide wt%: | | 1 |
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P2O5 | 36.19 % |
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SiO2 | 0.04 % |
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Al2O3 | 0.41 % |
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BaO | 34.65 % |
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Na2O | 0.09 % |
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K2O | 0.32 % |
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BeO | 12.86 % |
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Li2O | 0.50 % |
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H2Ocalc | 12.31 % |
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Total: | 97.37 % |
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Empirical formulas: | 1 | (Ba7.54K0.32Na0.14)Σ8.00(Ba3.04Li1.57?1.39)Σ6.00Be24.08(P23.88Al0.38Si0.03)Σ24.29O96·32H2O |
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Sample references: | |
1 | Type Specimen | Hatert, F., Philippo, S., Ottolini, L., Dal Bo, F., Scholz, R., Chaves, M.L.S.C., Yang, H., Downs, R.T., Menezes Filho, L.A.D. (2017): Wilancookite, (Ba,K,Na)8(Ba,Li,?)6Be24P24O96 |
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Comments: | As tiny dodecahedral {1 1 0} crystals, deposited on moraesite fibres |
Confirmation |
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Validity: | Valid - Type Locality |
Associated Minerals: |
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Associates: | Moraesite
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Associated Minerals Based on Photo Data: |
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Moraesite | ⓘ4 photos of Wilancookite associated with Moraesite at this locality. |
Muscovite | ⓘ3 photos of Wilancookite associated with Muscovite at this locality. |
Zanazziite | ⓘ3 photos of Wilancookite associated with Zanazziite at this locality. |
Data |
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Mineral Data: | Click here to view Wilancookite data |
Locality Data: | Click here to view Ponte do Piauí claim, Piauí valley, Taquaral, Itinga, Minas Gerais, Brazil |
Photo Gallery | View Gallery (13 photos) |
Data Identifiers |
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Mindat Occurrence Record ID: | 942591 |
Long-form Identifier: | 1:3:942591:0 |
GUID (UUID V4): | 1d8d9966-e56d-47f2-8cf5-f86cdb944c73 |
References |
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Hatert, F., Philippo, S., Ottolini, L., Dal Bo, F., Scholz, R., Chaves, M.L.S.C., Yang, H., Downs, R.T., Menezes Filho, L.A.D. (2017): Wilancookite, (Ba,K,Na)8(Ba,Li,◻)6Be24P24O96·32H2O, a new beryllophosphate with a zeolite framework. European Journal of Mineralogy: 29: 923-930 |
Ponte do Piauí claim, Piauí valley, Taquaral, Itinga, Minas Gerais, Brazil