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Bertrandite from
Gwernavalou Quarry, Trémargat, Plounévez-Quintin, Côtes-d'Armor, Brittany, France

Description
Habit:Pseudo-hexagonal prism
Colour:Colorless
Quality of samples:Good crystals or rich for species - important (!)
Rarity at site:Rare
Confirmation
Validity:Believed Valid
References
References:Germain C., Guillou A. (1988), Le Cahier des Micromonteurs, n°3, 3-7
Data
Mineral Data:Click here to view Bertrandite data
Locality Data:Click here to view Gwernavalou Quarry, Trémargat, Plounévez-Quintin, Côtes-d'Armor, Brittany, France
Mineral and/or Locality
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