Stone, minerals and semiprecious of the world stone
Sulphide: Jordanite -->rus

   Diagnostic cart.

   (Ti, Pb)13 As7 S23
   Crystal structure monoclinic
   Hardness on the Mohs scale
   Specific unit weight mass 5,5-6,4
   Fracture, break padman
   Colors grey
   Colors in powder triturate black
   Glance (glitter, glare) metallic

   Presented the characteristic plate tablet lamellar crystals of pseudohexagonal look. Colors leaden-grey, partly with an iridescent reflection on-the-spot. Be found also as plates and massive including measuring to a few centimetres.

   Origin provenance genesis.

   Associated with carbonate rocks.

   Deposit minefield mine field occurrence subsoil.

   Characteristic for the dolomites of Switzerland; be found in Italian Alps, including near-by mountain shelter of Chitta-di-Busto on Pya-No-Dei-Kamoschi in Val-Formacca (an area Pemont). As rareness, set in жеодах of granular limestone, marble Kararry. Reported about a jordanite in Bentene (Poland, EU), Naglage (Romania, EU), Aomori (Japan, Asia).