Orthoclase from selected localities.
Russia | |
| A.N. Labuntsov Mineralogical survey of central parts of Khibina massif (zircon, catapleiite and fersmanite localities), - Khibinskie apatity, 1933, N6, p. 202-209. |
P.M. Kartashov data | |
| Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow |
| Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow |