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Gotzenite Mineral Data
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General Gotzenite Information
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Chemical Formula: |
(Ca,Na)3(Ti,Al)Si2O7(F,OH)2 |
Composition: |
Molecular Weight = 363.79 gm |
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Sodium 1.58 % Na 2.13 % Na2O |
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Calcium 30.30 % Ca 42.39 % CaO |
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Titanium 9.87 % Ti 16.47 % TiO2 |
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Aluminum 1.85 % Al 3.50 % Al2O3 |
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Silicon 15.44 % Si 33.03 % SiO2 |
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Hydrogen 0.14 % H 1.24 % H2O |
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Oxygen 32.99 % O |
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Fluorine 7.83 % F 7.83 % F |
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- %
F -3.30 % -O=F2 |
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______ ______ |
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100.00 % 103.30 % = TOTAL OXIDE |
Empirical Formula: |
Ca2.75Na0.25Ti0.75Al0.25Si2O7F1.5(OH)0.5 |
Environment: |
Alkalic igneous rocks. |
IMA Status: |
Valid Species (Pre-IMA) 1957 |
Locality: |
Nyiragongo crater, Mount Shaheru, Kivu Province, Zaire. Link to MinDat.org Location Data. |
Name Origin: |
Named for Gustav Adolf Von Gotzen (1866-1910), German traveler and first European to climb Mt. Shaheru, North Kivu, Zaire. |
Name Pronunciation: |
Gotzenite + Pronunciation |
Synonym: |
Calcium rinkite |
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Goetzenite |
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