Anorthite from
Canada | |
| [var. Bytownite] OGS OFR5329, P.28-9. |
| [var. Labradorite] Boyle R. W. (1968) : The Geochemistry of Silver and its Deposits Geological Survey of Canada, Bulletin 160, Ch 3, P. 169. |
Canada | |
| [var. Bytownite] OGS OFR5329, P.28-9. |
| [var. Labradorite] Boyle R. W. (1968) : The Geochemistry of Silver and its Deposits Geological Survey of Canada, Bulletin 160, Ch 3, P. 169. |