Schaurteite, Ca 3 Ge(SO 4 ) 2 (OH) 6 ·3H 2 O
This report presents the first crystal structure determination of the mineral schaurteite, ideally Ca 3 Ge(SO 4 ) 2 (OH) 6 ·3H 2 O, tricalcium germanium bis(sulfate) hexahydroxide trihydrate. This single-crystal X-ray diffraction study investigated a natural sample from the type locality at Tsumeb,...
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| Veröffentlicht in: | Acta crystallographica. Section E, Structure reports online Structure reports online, 2013-02, Vol.69 (2), p.i6-i6 |
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| container_title | Acta crystallographica. Section E, Structure reports online |
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| creator | Origlieri, Marcus J. Downs, Robert T. |
| description | This report presents the first crystal structure determination of the mineral schaurteite, ideally Ca 3 Ge(SO 4 ) 2 (OH) 6 ·3H 2 O, tricalcium germanium bis(sulfate) hexahydroxide trihydrate. This single-crystal X-ray diffraction study investigated a natural sample from the type locality at Tsumeb, Namibia. Schaurteite is a member of the fleischerite group of minerals, which also includes fleischerite, despujolsite, and mallestigite. The structure of schaurteite consists of slabs of Ca(O,OH,H 2 O) 8 polyhedra (site symmetry mm 2) interleaved with a mixed layer of Ge(OH) 6 octahedra (-3 m .) and SO 4 tetrahedra (3 m .). There are two H atoms in the asymmetric unit, both located by full-matrix refinement, and both forming O—H...O hydrogen bonds. |
| doi_str_mv | 10.1107/S1600536812050945 |
| format | Article |
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This single-crystal X-ray diffraction study investigated a natural sample from the type locality at Tsumeb, Namibia. Schaurteite is a member of the fleischerite group of minerals, which also includes fleischerite, despujolsite, and mallestigite. The structure of schaurteite consists of slabs of Ca(O,OH,H 2 O) 8 polyhedra (site symmetry mm 2) interleaved with a mixed layer of Ge(OH) 6 octahedra (-3 m .) and SO 4 tetrahedra (3 m .). 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Section E, Structure reports online</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Origlieri, Marcus J.</au><au>Downs, Robert T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Schaurteite, Ca 3 Ge(SO 4 ) 2 (OH) 6 ·3H 2 O</atitle><jtitle>Acta crystallographica. Section E, Structure reports online</jtitle><date>2013-02-15</date><risdate>2013</risdate><volume>69</volume><issue>2</issue><spage>i6</spage><epage>i6</epage><pages>i6-i6</pages><issn>1600-5368</issn><eissn>1600-5368</eissn><abstract>This report presents the first crystal structure determination of the mineral schaurteite, ideally Ca 3 Ge(SO 4 ) 2 (OH) 6 ·3H 2 O, tricalcium germanium bis(sulfate) hexahydroxide trihydrate. This single-crystal X-ray diffraction study investigated a natural sample from the type locality at Tsumeb, Namibia. Schaurteite is a member of the fleischerite group of minerals, which also includes fleischerite, despujolsite, and mallestigite. The structure of schaurteite consists of slabs of Ca(O,OH,H 2 O) 8 polyhedra (site symmetry mm 2) interleaved with a mixed layer of Ge(OH) 6 octahedra (-3 m .) and SO 4 tetrahedra (3 m .). There are two H atoms in the asymmetric unit, both located by full-matrix refinement, and both forming O—H...O hydrogen bonds.</abstract><doi>10.1107/S1600536812050945</doi></addata></record> |
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| title | Schaurteite, Ca 3 Ge(SO 4 ) 2 (OH) 6 ·3H 2 O |
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