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Andradite from
British Canadian mine (B.C. 1 mine; B.C. 2 mine; Martin mine; Black Lake mine; American mine; Dauville mine), Black Lake, Thetford Mines, Les Appalaches RCM, Chaudière-Appalaches, Québec, Canada

Locality type:Mine
Classification
Species:Andradite
Formula:Ca3Fe23+(SiO4)3
Comments:The is possibly the locality for andradite with rare crystallography from "West Thetford Mines" described by Parsons, A. L., 1935, Trisoctahedral Garnet from West Thetford Mines, P. Q., Contributions to Canadian Mineralogy (University of Toronto Studies Geological Series, 38), p. 33-36. Nonetheless, known andradite specimens from the Black Lake Mine have the same color and crystallography described by Parsons. Parsons (1935) reported a chemical composition of 78.74% end-member andradite for "West Thetford Mines" andradite.
Confirmation
Validity:Believed Valid
References
References:Wilson, B. S. and Wight, Willow, 1999, Gem Andardite Garnet from Black Lake, Quebec, Canadian Gemologist, V. 20, p. 19-20.
Associated Minerals Based on Photo Data:
Pectolite3 photos of Andradite associated with Pectolite at this locality.
Data
Mineral Data:Click here to view Andradite data
Locality Data:Click here to view British Canadian mine (B.C. 1 mine; B.C. 2 mine; Martin mine; Black Lake mine; American mine; Dauville mine), Black Lake, Thetford Mines, Les Appalaches RCM, Chaudière-Appalaches, Québec, Canada
Photo GalleryView Gallery (2 photos)
Nearest other occurrences of Andradite
1.6km (1.0 miles) Mine Lac d'Amiante (Lake Asbestos Mine; "LAB Mine"; "Black Lake Mine"), Saint-Joseph-de-Coleraine, Les Appalaches RCM, Chaudière-Appalaches, Québec, Canada
8.7km (5.4 miles) Montréal Chrome pit (Montréal mine; Montréal-Coleraine mine; Paré pit; Black Lake Chrome quarry), Saint-Joseph-de-Coleraine, Les Appalaches RCM, Chaudière-Appalaches, Québec, Canada
55.6km (34.5 miles) Jeffrey Mine ("Johns-Manville Mine"), Asbestos, Les Sources RCM, Estrie, Québec, Canada
91.9km (57.1 miles) Orford Nickel mine, St-Denis-de-Brompton, Le Val-Saint-François RCM, Estrie, Québec, Canada
 
Mineral and/or Locality  
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