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A variety of Biotite

Designation for a uniaxial biotite from Mangualde, Portugal.

Classification of Heterophyllite

Other Names for Heterophyllite

Name in Other Languages:

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Heterophyllite URL:
Please feel free to link to this page.

Localities for Heterophyllite

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
  • Viseu District
    • Mangualde
Recursos Minerais Metálicos, Jazigos Pegmatíticos, Departamento de Geologia da Faculdade de Ciências da Universidade de Lisboa, Lisboa, 2006.
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