Klebelsbergit Sb4O4(OH)2SO4 z Au-Ag ložiska Kremnica, Slovenská republika
Tímea Bálintová, Peter Bačík, Daniel Ozdín, Martin Števko
Rare supergene antimony sulphate klebelsbergite was found in the abandoned mine adit at 1st vein system of the Kremnica epithermal Au-Ag deposit, Slovak Republic. It forms yellow or white radial and spherical aggregates up to 3 mm, which are consisted of tabular and acicular crystals. Aggregates of klebelsbergite form crusts on the weathered stibnite. The unit-cell parameters of klebelsbergite are a = 5.7596 (6), b = 11.2678 (11), c = 14.8576 (9) Å and V = 964.24 (12) Å3. Klebersbergite consists of major elements Sb, S and O exclusively as shown by qualitative chemical analysis. Klebelsbergite is a product of (sub)recent weathering of stibnite in acid environment of the mine adit.