LEIFITE, REVISED, AND KARPINSKYITE, DISCREDITED
to be a beryllium mineral and its composition has been redetermined by spectrographic analysis, thermogravimetric analysis, electron mi-croprobe measurements, and wet micro-chemical analysis. The for-mula can be written as: (Na, H30)2 [(Si, Al, Be, B)7 (O, F, OH)ML Z = 3 The mineral is trigonal, the...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.490.1366 2023-05-15T16:29:03+02:00 LEIFITE, REVISED, AND KARPINSKYITE, DISCREDITED Harry Micheelsen Ole V. Petersen O. V. Leifite The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.490.1366 http://2dgf.dk/xpdf/bull20-02-134-151.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.490.1366 http://2dgf.dk/xpdf/bull20-02-134-151.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://2dgf.dk/xpdf/bull20-02-134-151.pdf text ftciteseerx 2016-01-08T08:27:46Z to be a beryllium mineral and its composition has been redetermined by spectrographic analysis, thermogravimetric analysis, electron mi-croprobe measurements, and wet micro-chemical analysis. The for-mula can be written as: (Na, H30)2 [(Si, Al, Be, B)7 (O, F, OH)ML Z = 3 The mineral is trigonal, the probable space groups are P321 and P312, and the unit cell dimensions are: aQ = 14.351 Å and CQ = 4.854 A. The redefinition of Leifite has been approved by IMA. Karpinskyite from the type locality, Karnasurt pegmatites, Kola, has been investigated by scanning electron microscope, optical mi-croscope, X-ray diffraction and electron microprobe. The karpin-skyite is shown to be a mixture of leifite, montmorillonite and sau-conite. The name »karpinskyite « is discredited. The discrediting of karpinskyite has been approved by IMA. The leifite from Kola con-tains slightly less Si and slightly more Na and Al than the leifite from Greenland, and has the lattice constants a0 = 14.400 Å and c0 = 4.881 A. Text Greenland Unknown Greenland |
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ftciteseerx |
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English |
description |
to be a beryllium mineral and its composition has been redetermined by spectrographic analysis, thermogravimetric analysis, electron mi-croprobe measurements, and wet micro-chemical analysis. The for-mula can be written as: (Na, H30)2 [(Si, Al, Be, B)7 (O, F, OH)ML Z = 3 The mineral is trigonal, the probable space groups are P321 and P312, and the unit cell dimensions are: aQ = 14.351 Å and CQ = 4.854 A. The redefinition of Leifite has been approved by IMA. Karpinskyite from the type locality, Karnasurt pegmatites, Kola, has been investigated by scanning electron microscope, optical mi-croscope, X-ray diffraction and electron microprobe. The karpin-skyite is shown to be a mixture of leifite, montmorillonite and sau-conite. The name »karpinskyite « is discredited. The discrediting of karpinskyite has been approved by IMA. The leifite from Kola con-tains slightly less Si and slightly more Na and Al than the leifite from Greenland, and has the lattice constants a0 = 14.400 Å and c0 = 4.881 A. |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Harry Micheelsen Ole V. Petersen O. V. Leifite |
spellingShingle |
Harry Micheelsen Ole V. Petersen O. V. Leifite LEIFITE, REVISED, AND KARPINSKYITE, DISCREDITED |
author_facet |
Harry Micheelsen Ole V. Petersen O. V. Leifite |
author_sort |
Harry Micheelsen |
title |
LEIFITE, REVISED, AND KARPINSKYITE, DISCREDITED |
title_short |
LEIFITE, REVISED, AND KARPINSKYITE, DISCREDITED |
title_full |
LEIFITE, REVISED, AND KARPINSKYITE, DISCREDITED |
title_fullStr |
LEIFITE, REVISED, AND KARPINSKYITE, DISCREDITED |
title_full_unstemmed |
LEIFITE, REVISED, AND KARPINSKYITE, DISCREDITED |
title_sort |
leifite, revised, and karpinskyite, discredited |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.490.1366 http://2dgf.dk/xpdf/bull20-02-134-151.pdf |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland |
genre_facet |
Greenland |
op_source |
http://2dgf.dk/xpdf/bull20-02-134-151.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.490.1366 http://2dgf.dk/xpdf/bull20-02-134-151.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766018739715702784 |