从Lill竖井的矿山排土场，Březové Hory矿区，Příbram(捷克共和国)

Q3 Earth and Planetary Sciences

Bulletin Mineralogie Petrologie Pub Date : 2023-01-01 DOI:10.46861/bmp.31.089

J. Sejkora, P. Škácha, L. Vrtiška, Z. Dolníček, Jaroslav Jindra

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引用次数: 0

摘要

1990年代，在Příbram(捷克共和国)Březové Hory矿区的Lill竖井的垃圾场收集的一个样本上发现了稀有的镍硫酸盐，retgersite。样品由石英脉石组成，以针闪石和闪锌矿为主。辉石形成浅蓝色到蓝绿色的弯曲纤维状微晶集合体，大小可达2毫米，具有玻璃质光泽，生长在表生蚀变脉石的表面和小的外部孔洞中。通过PXRD对Retgersite进行了鉴定，其精化单晶胞参数为:a 6.7838(2) Å， c 18.2951(8) Å， V 841.94(4) Å3。给出了半定量化学分析(EDS)和振动光谱(拉曼光谱、红外光谱)的结果及其初步归属。所研究的辉石是在矿山排土场条件下由原生镍矿化(主要是针勒石)(亚)近代风化作用形成的。

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Retgersite from mine dump of the Lill shaft, Březové Hory ore district, Příbram (Czech Republic)

Rare sulphate of nickel, retgersite, was identified on the one specimen collected on the dump of the Lill shaft, Březové Hory ore district, Příbram (Czech Republic) in 1990s. The specimen consists of quartz gangue with dominant millerite and sphalerite. Retgersite forms light blue to blue-green curved fibrous microcrystalline aggregates up to 2 mm in size with vitreous lustre, growing on the surface and in small outer vugs of the supergene altered gangue. Retgersite was identified by PXRD and its refined unit-cell parameters (for the tetragonal space group P41212) are: a 6.7838(2) Å, c 18.2951(8) Å and V 841.94(4) Å3. Results of semiquantitative chemical analysis (EDS) as well as vibrational spectra (Raman, infrared) including their tentative assignments are also given. The studied retgersite was formed by (sub)recent weathering of primary nickel mineralisation (mostly millerite) in the mine dump conditions.

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来源期刊

Bulletin Mineralogie Petrologie Earth and Planetary Sciences-Economic Geology

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期刊介绍： Bulletin Mineralogie Petrologie is a peer-reviewed journal focused especially on: mineralogy, crystal chemistry and study of crystal structures of minerals study of mineral associations and processes of their origin meteoritics, research of tectites economic geology (of ore deposits) and study of history of mining of ore deposits topographic mineralogy petrology of igneous, metamorphic and sedimentary rocks instrumental analytical methods at mineralogy and petrology mineralogy and petrology as tools for archeology and similar disciplines