Canadian Mineralogist Vol.28, pp. 687-689 (1990) VASILITE, (Pd,Gu)'u(S,Te)r, A NEW MINERAL SPECIES FROM NOVOSELTSI, BULGARIA

Vasilite, (Pd,Cu)16(S,Te)7, a nertr mineral species, is found in heavy-mineral concentrates obtained from Pria-bonian clastic sediments near the village of Novoseltsi, Bourgas region, southeastern Bulgaria. Vasilite is an opaque mineral with a metallic luster. Its color is steel grey, and its streak is black. VHNrc = 486.1 (M7.2- 505.9) and VHN2I = 490.4 (n3.5- 507.3). The mineral is brittle and has no cleavage. The fracture is uneven. Under reflected light, vasilite is creamy with a yellowish tint where it is adja-cent to bowieite and isoferroplatinum, It has no internal reflections, anisotropism, bireflectance or pleochroism. The reflectance values (air, oil) interpolated for the CO