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Vertumnite Mineral Data
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General Vertumnite Information
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Chemical Formula: |
Ca8Al4(Al4Si5)O12[(OH)36•10(H2O) |
Composition: |
Molecular Weight = 1,683.36 gm |
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Strontium 0.52 % Sr 0.62 % SrO |
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Calcium 18.57 % Ca 25.98 % CaO |
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Aluminum 13.46 % Al 25.44 % Al2O3 |
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Silicon 8.51 % Si 18.20 % SiO2 |
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Hydrogen 3.34 % H 29.81 % H2O |
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Oxygen 55.60 % O |
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______ ______ |
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100.00 % 100.05 % = TOTAL OXIDE |
Empirical Formula: |
Ca7.8Sr0.1Al8.4Si5.1O12.6(OH)36.1•9.8(H2O) |
Environment: |
As a late-forming crystals inside a small cavity in phonolite. |
IMA Status: |
Approved IMA 1977 |
Locality: |
Found in a quarry at Campomorto, Montalto di Castro, Lazio, Italy. Link to MinDat.org Location Data. |
Name Origin: |
For Vertumnus, the god worshipped by the ancient Etruscan people who inhabited the region where the mineral was found. |
Name Pronunciation: |
Vertumnite + Pronunciation |
Synonym: |
ICSD 100407 |
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PDF 29-291 |
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