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Thomsonite-Ca from
Jeffrey Mine, Val-des-Sources, Les Sources RCM, Estrie, Québec, Canada


Locality type:Open-Cast Mine
Classification
Species:Thomsonite-Ca
Formula:NaCa2[Al5Si5O20] · 6H2O
Habit:radiating needles to 2mm long
Colour:white
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Thomsonite-Ca data
Locality Data:Click here to view Jeffrey Mine, Val-des-Sources, Les Sources RCM, Estrie, Québec, Canada
Data Identifiers
Mindat Occurrence Record ID:22021
Long-form Identifier:1:3:22021:5
GUID (UUID V4):0
Nearest other occurrences of Thomsonite-Ca
49.5km (30.8 miles) ⓘContinental mine (Megantic mine; Lambly mine; Paré mine), Saint-Joseph-de-Coleraine, Les Appalaches RCM, Chaudière-Appalaches, Québec, Canada
54.0km (33.6 miles) ⓘMine Lac d'Amiante (Lake Asbestos Mine; "LAB Mine"; "Black Lake Mine"), Saint-Joseph-de-Coleraine, Les Appalaches RCM, Chaudière-Appalaches, Québec, Canada
55.3km (34.4 miles) ⓘCaribou pit (Caribou mine), Saint-Joseph-de-Coleraine, Les Appalaches RCM, Chaudière-Appalaches, Québec, Canada
55.6km (34.5 miles) ⓘ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
95.4km (59.3 miles) ⓘPoudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
References
179-181.
Grice, Joel D. (1989) The Jeffrey Mine, Asbestos, Quebec: The Western World's Largest Asbestos Deposit. In Famous Mineral Localities of Canada. Fitzhenry & Whiteside Limited & the National Museum of Natural Sciences. p.115-123.
Horváth, László, Pfenninger-Horváth, Elsa, Spertini, Francesco (2013) The Jeffrey mine, Asbestos, Québec, Canada. The Mineralogical Record, 44 (4) 375-417
 
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