Grumiplucite from the Rudňany deposit, Slovakia: a second world-occurrence and new data

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00023272%3A_____%2F15%3AN0000019" target="_blank" >RIV/00023272:_____/15:N0000019 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.3190/jgeosci.200" target="_blank" >http://dx.doi.org/10.3190/jgeosci.200</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3190/jgeosci.200" target="_blank" >10.3190/jgeosci.200</a>

Result language

angličtina

Original language name

Grumiplucite from the Rudňany deposit, Slovakia: a second world-occurrence and new data

Original language description

Grumiplucite, ideally HgBi2S4 was identified at the Drozdiak vein, Rudnany deposit (Spissko-gemerske Rudohorie Mts., Slovakia). This rare Hg-sulfosalt forms metallic lead-grey to steel-grey, prismatic to acicular crystals up to 1 cm long, often grouped into irregular aggregates. It occurs in cavities of siderite with abundant cinnabar, Hg-rich tetrahedrite and chalcopyrite aggregates. Minor quartz or barite crystals and microscopic aggregates of Sb-rich bismuthinite to Bi-rich antimonite were also observed. On the basis of chemical analyses, two types of grumiplucite were distinguished at the Rudnany deposit. The first is close to an ideal composition and has empirical formula Hg0.99Bi1.94S4.08 (based on 7 apfu). The second is characterized by regularly elevated contents of Sb ranging from 0.02 to 0.77 apfu. Grumiplucite is monoclinic, space group C2/m, with unit-cell parameters refined from X-ray powder data: a = 14.172(2), b = 4.0525(7), c = 13.975(1)angstrom, beta = 118.257(8)degrees and V = 707.0(2)angstrom(3) (Sb-free) and a = 14.183(1), b = 4.0538(5), c = 13.980(1)angstrom, beta = 118.239(1)degrees and V = 708.1(2)angstrom(3) (Sb-rich). Raman spectra for grumiplucite crystals with variable Sb contents are mutually well comparable. Therefore it seems that different Sb occupation does not affect the energy and intensity of Raman bands and they significantly differ from spectra of particularly structure-related mineral livingstonite, HgSb4S8. The dominant feature in the Raman spectra of grumiplucite is a series of spectral bands that corresponds to the stretching and bending vibrations of BiS5 polyhedra and Hg-S bonds

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

DB - Geology and mineralogy

OECD FORD branch

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Project

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Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2015

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Journal of Geosciences

ISSN

1802-6222

e-ISSN

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Volume of the periodical

60

Issue of the periodical within the volume

4

Country of publishing house

CZ - CZECH REPUBLIC

Number of pages

13

Pages from-to

269-281

UT code for WoS article

000368189800006

EID of the result in the Scopus database

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