La Roche Quarry, Calanhel, Callac, Côtes-d'Armor, Brittany, France

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Amphibolite quarry.

References:
- Germain C., Wimel J.L. (1992), Les minéraux des amphibolites de la carrière de La Roche, commune de Calanhel (Côtes d'Armor), Le Cahier des Micromonteurs (1992), (4), 23-29.

Mineral List:

Actinolite
var: Smaragdite
'Asbestos'
Chalcopyrite
'Hornblende'
Ilmenite
'K Feldspar'

Magnetite
Molybdenite
Pyrite
Pyrolusite
Pyrrhotite
Rutile
Siderite

Spessartine
Thorite
Titanite
Tremolite
Zircon

19 entries listed. 15 valid minerals.

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