Muscovite from Camarines Norte Province, Bicol Region, Luzon, Philippines
Philippines | |
| [var. Sericite] Jianmin Chen (2011): Global Geology 30(2), 145-153 |
| [var. Sericite] Singer, D.A., Berger, V.I., Moring, B.C. (2008) Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. Open-File Report 2008-1155 |