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Carbonate-hydroxylapatite Mineral Data
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General Carbonate-hydroxylapatite Information
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 Chemical Formula: |
Ca5(PO4,CO3)3(OH) |
| Composition: |
Molecular Weight = 484.83 gm |
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Calcium 41.33 % Ca 57.83 % CaO |
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Phosphorus 15.97 % P 36.60 % P2O5 |
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Hydrogen 0.21 % H 1.86 % H2O |
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Carbon 1.24 % C 4.54 % CO2 |
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Oxygen 41.25 % O |
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______ ______ |
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100.00 % 100.83 % = TOTAL OXIDE |
| Empirical Formula: |
Ca5(PO4)2.5(CO3)0.5(OH) |
| Environment: |
Sedimentary and skarn rocks. Common as bones and teeth in mammals. Discredited by Mineralogical Record, v39:131. |
| IMA Status: |
Discredited IMA 2008 - Valid Species (Pre-IMA) 1906 |
| Locality: |
Magnet Cove, Arkansas, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named as the carbonate and hydroxyl end-member and from the Greek apatao - "I am misleading." |
| Name Pronunciation: |
Carbonate-hydroxylapatite + Pronunciation 
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| Synonym: |
Apatite |
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Collophane |
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Dahllite |
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