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Clinoptilolite-Na from the coal mine Družba in the Sokolov Basin (Czech Republic)
| Content Provider | Semantic Scholar |
|---|---|
| Author | Pauliš, Petr Rojík, Petr Malíková, Radana Pour, Ondřej Civiš, Svatopluk |
| Copyright Year | 2014 |
| Abstract | Clinoptilolite-Na was found in an active coal quarry Družba in the Sokolov coal basin (Czech Republic). It occurs in cavities of limonitized calcite veins. Clinoptilolite-Na forms whitish tabular crystals up to 3 mm in size and their aggregates in cavities up to 10 cm. Large rhombohedral calcite crystals with a size of up to 3 mm grow on clinoptilolite-Na crystals. The unit cell parameters of clinoptilolite-Na refined from the powder X-ray data are: a = 17.655(3) Å, b =17.920(2) Å, c = 7.400(1) Å, β = 116.24° and V = 2099.9(6) Å3. Chemical analyses of clinoptilolite-Na correspond to the empirical formula (Na2.21K1.88Ba0.49Ca0.26Mg0.25)Σ5.09(Si29.33Al6.86)O72·20H2O. |
| Starting Page | 303 |
| Ending Page | 307 |
| Page Count | 5 |
| File Format | PDF HTM / HTML |
| Volume Number | 22 |
| Alternate Webpage(s) | http://bullmineral.cz/paper/download/95/fulltext |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |