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Analyses of calcite
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
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| CaCO3 |
77.94 |
79.96 |
85.57 |
50.40 |
82.23 |
63.90 |
85.96 |
| MnCO3 |
22.35 |
11.09 |
11.55 |
43.54 |
16.57 |
17.43 |
2.98 |
| MgCO3 |
1.94 |
2.54 |
5.69 |
11.05 |
0.59 |
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| FeCO3 |
0.60 |
0.76 |
0.50 |
0.30 |
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| ZnCO3 |
0.58 |
0.32 |
2.88 |
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| CaF2 |
5.35a |
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| H2O |
0.32 |
1.00 |
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| Insoluble |
0.08 |
0.20 |
7.00 |
7.70 b |
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|
100.29 |
99.84 |
99.66 |
100.47 |
100.50 |
100.00 |
100.11 |
| a Estimated from deficiency of CO2 for bases. |
| b Including SiO2 0.50, ZnO 1.86, Fe2O3 0.17, Al2O3 0.24, and Mn2O3, 4.93 percent. |
| 1. Spartaite-calcimangite, gangue of zincite. C. U. Shepard (89), analyst. |
| 2. Spartaite, Sterling Hill, G. Jensch (71), analyst. |
| 3. Spartaite, Sterling Hill. Richter, analyst, in Rammelsberg (71). |
| 4. Manganesian dolomite. W. T. Roepper (99), analyst. |
| 5. Crystalline calcite, Sterling Hill. Van Dyke, analyst, in Cook (96). |
| 6. Manganocalcite, Franklin. W. G. Levison (206), analyst. |
| 7. "Black calcite", Franklin. Jenkins and Bauer (243), analyst. |
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Website
© by Herb Yeates 1997-2001.
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This
page created: January 12, 2001 5:50 PM
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