The mining complex of Baia Mare, in the northern part of Romania, has a very complex geological structure. Baia Sprie is a well-known ore deposit containing a large numbers of minerals. It is de largest hydrothermal ore deposit in Romania a 5 km long vein with gold and silver in de upper part and Cupper, Zink, lead and others minerals in the lower part. Mined from the 14th century until 2006 - all the mines are closed nowadays. This specimen with small orpiment needles on Quartz is a beautiful hard to find piece (ex. collection Eddy Vervloet – Belgium).
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