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Romania | |
| Szakáll, Sándor - Ed. (2002) Minerals of the Carpathians. Granit, Prague. |
| Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York. |
Dolea, Brusturi, Hălmagiu, Arad County, Romania