Metallic, steel-gray Baumhauerite xls measuring 4x3 mm in a vug of white contrasting dolomia matrix from the famous Swiss and type locality.
Formula : Pb3As4S9
System: triclinic Hardness:3 Rarity:very rare
Strunz id:II/E.24-10 -
SULFIDES
Name origin: After H.A. Baumhauer (1848-1926), Professor of Mineralogy, University of Fribourg, Switzerland.
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Specimen weight:47 gr.
Crystal size:3 x 4 mm
Overall size: 42mm x 35 mm x 20 mm
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