UDC 549:291,33
LBC 86.41:26.31
  K.305

RUS language
RUS
 

Stone, minerals and semiprecious of the world stone
Oxide and hydrooxide: Billietit -->rus

   Diagnostic cart.

   Ba U 6 O 19 * 11 H2O
   Crystal structure rhombic
   Hardness on the Mohs scale not definable
   Specific unit weight mass 5,3
   Cleavage perfect absolute
   Colors from yellow to hazel

   Crystallized in rhombic Crystal structure as plate tablet lamellar crystals with perfect cleavage. Billietit - radio-active oxide; his color changes from succinic-yellow to light-brown.

   Diagnostic indication.

   Billietit is exceptionally alike on the physical properties and external type on a becquerelite which is fully analogical him only that in a formula substituted for a barium a calcium. Radio-active.

   Origin provenance genesis.

   Billietit appears as an oxidate Uraninite is in superficial terms.

   Deposit minefield mine field occurrence subsoil.

   As beautiful crystals found out Billietit in the province of Shaba in Zaire; in some places of Europe, for example, Mencenshvandv Shvarcvalde (Germany) or Utelup, Steep and found out Marnyak (France) enough interesting, exact crystals in an association with Uraninite and uranocircite.