Jeffrey Mine
Curated by Maggie Liu · Updated:
The Jeffrey Mine at Asbestos, Quebec, is a classic locality for gem grossular garnet, vesuvianite, and fine chrysotile.
About Jeffrey Mineextended article
The Jeffrey Mine at Asbestos (now Val-des-Sources), Quebec, was a vast asbestos mine that became world-famous among collectors for the superb minerals from its rodingite pockets.
Minerals from an asbestos mine
Although worked for chrysotile asbestos, the Jeffrey Mine's altered rocks and veins hosted pockets of beautifully crystallised minerals, prized for their gemmy colour and aesthetic form.
Signature minerals
The Jeffrey Mine is the classic source of gemmy pink and orange grossular garnet, together with vesuvianite, diopside, prehnite and pectolite. Its grossular and vesuvianite are benchmark specimens for those species.
Frequently asked questions
Where is Jeffrey Mine?
Jeffrey Mine is a mineral locality in Quebec, Canada. It lies at approximately 45.7800°N, 71.9200°W. Elevation is about 350 m.
What minerals are found at Jeffrey Mine?
Signature minerals from Jeffrey Mine include Grossular, Vesuvianite, Chrysotile. The locality lies in Quebec, Canada, and each mineral links to a full reference entry with formula, crystal system, and collector notes.
What is Jeffrey Mine known for?
The Jeffrey Mine at Asbestos, Quebec, is a classic locality for gem grossular garnet, vesuvianite, and fine chrysotile.
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