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| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| SiO2 | 53.00% | 3.08 | |
| Al2O3 | 30.00% | 1.03 | |
| Na2O | 4.50% | 0.25 | |
| CaO | 12.00% | 0.75 | |
| Oxide Weight | 347.31 | ||
| Formula Weight | 347.31 | ||
Analysis provided is of a sample material from Madagascar.

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| URLs |
http://en.wikipedia.org/wiki/Labradorite
Labradorite at Wikipedia |
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