Analyses of willemite
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1 |
2 |
3 |
4 |
5 |
6 |
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| Red mineral, Sterling Hill. W. H. Keating (17), analyst. | Red mineral, Sterling Hill. Lardner Vanuxem (17), analyst. | Willemite, Sterling Hill. Achille Delesse (42), analyst. | Red mineral, Sterling Hill. R. Hermann (45), analyst. | Dark-brown mineral, Sterling Hill. Henry Wurtz (50), analyst. | Yellow mineral, Sterling Hill. W. G. Mixter (98), analyst. | |
| SiO2 |
25.44 |
25.00 |
27.40 |
26.80 |
27.91 |
27.92 |
| ZnO |
68.06 |
71.33 |
68.83 |
60.07 |
59.93 |
57.83 |
| MnO |
6.50* |
2.66 |
2.90 |
9.22 |
3.73 |
12.59 |
| FeO |
0.67 |
0.87 |
Trace |
5.35 |
0.62 |
|
| MgO |
2.91 |
1.66 |
1.14 |
|||
| CaO |
1.60 |
|||||
| H2O |
0.34 |
1.00 |
0.28 |
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100.00 |
100.00 |
100.00 |
100.00 |
100.18 |
100.28 |
| Note: In analyses 1,
2, and 3 the ZnO was estimated
"by difference." |
|
7 |
8 |
9 |
10 |
11 |
|
| Apple-green mineral, Franklin. W. G. Mixter (98) analyst. | White mineral, Franklin. G. C. Stone (131), analyst. | Pale-green mineral, Franklin. G. C. Stone (131),analyst. | Red and white mineral, Franklin. G. C. Stone (131), analyst. | Greenish-yellow mineral, Franklin. G. C. Stone (131), analyst. | |
| SiO2 |
27.40 |
27.20 |
26.92 |
28.30 |
27.48 |
| ZnO |
66.83 |
65.82 |
65.04 |
66.68 |
63.88 |
| MnO |
5.73 |
6.97 |
7.78 |
4.92 |
8.33 |
| FeO |
0.06 |
0.23 |
0.51 |
0.31 |
0.49 |
| MgO | |||||
| CaO | |||||
| H2O | |||||
|
100.20 |
100.22 |
100.25 |
100.21 |
100.18 |
|
12 |
13 |
14 |
15 |
16 |
|
| Dark-red mineral, Franklin. G. C. Stone (131), analyst. | Gray mineral, Franklin. G. A. Koenig (137), analyst. | White mineral, Franklin. F. W. Clarke (139), analyst. | White fibrous mineral, Franklin. R. B. Gage (unpublished), analyst. | Gray mineral, Franklin. L. H. Bauer (243), analyst. | |
| SiO2 |
27.14 |
27.75 |
27.41 |
27.74 |
27.25 |
| ZnO |
64.38 |
60.61 |
68.86 |
69.86 |
65.85 |
| MnO |
6.30 |
10.04 |
0.55 |
2.55 |
|
| FeO |
1.24 |
1.80 |
3.48* |
0.40 |
1.71 |
| MgO |
0.21 |
0.58 |
|||
| CaO |
Trace |
0.88 |
0.17 |
||
| H2O |
0.25 |
Trace |
|||
| Fe2O3 |
1.39 |
||||
| Mn2O3 |
0.32 |
||||
| Al2O3 | |||||
| PbO | |||||
|
99.06 |
100.20 |
100.00 |
99.64 |
99.82 |
| Note: In analysis 13 the MnO + FeO was
estimated "by difference." |
|
17 |
18 |
19 |
20 |
21 |
|
| Yellow-brown mineral, Franklin. L. H. Bauer (243), analyst. | Green
mineral, Franklin. L. H. Bauer (243), analyst. |
Asbestiform mineral, Franklin. L. H. Bauer (243), analyst. | Transparent mineral, Franklin. L. H. Bauer (243), analyst. | ||
| SiO2 |
27.18 |
25.64 |
26.56 |
28.37 |
26.55 |
| ZnO |
69.83 |
64.74 |
61.38 |
62.24 |
72.11 |
| MnO |
1.38 |
7.66 |
8.96 |
2.29 |
0.12 |
| FeO |
0.29 |
0.81 |
1.93 |
0.08 |
|
| MgO |
0.65 |
0.64 |
1.05 |
4.32 |
0.13 |
| CaO |
0.20 |
0.80 |
0.75 |
0.74 |
|
| H2O |
Trace |
||||
| Fe2O3 |
0.23 |
0.20 |
0.23 |
||
| Mn2O3 |
0.09 |
0.12 |
|||
| Al2O3 |
1.00 |
||||
| PbO |
0.005 |
||||
|
99.85 |
99.80 |
99.74 |
99.89 |
99.99 |
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| [* Figures represent combined MnO + FeO] |
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Website
© by Herb Yeates 1997-2006.
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This
page created: January 15, 2001 1:15 PM
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