1. R. I. Gait and D. Dumka, Can. Mineral. 24, 685 (1986).
2. G. Lynch, Can. Mineral. 33, 105 (1995).
3. G. V. Novikov, N. A. Shul’ga, N. V. Lobus, and O. Yu. Bogdanova, Litolog. Polezn. Iskop. 1, 65 (2020).
4. D. J. Vaughan and J. R. Craig, Mineral Chemistry of Metal Sulfides (Cambridge University Press, Cambridge, 1978).
5. A. C. L. Larocque, C. J. Hodgson, L. J. Cabri, and J. A. Jackman, Can. Mineral. 33, 373 (1995).