Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Posnjakite from
Eustis mine (Crown mine; Hartford mine; Lower Canada mine; Orford mine), Hatley, Memphrémagog RCM, Estrie, Québec, Canada


Locality type:Mine
Classification
Species:Posnjakite
Formula:Cu4(SO4)(OH)6 · H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Posnjakite data
Locality Data:Click here to view Eustis mine (Crown mine; Hartford mine; Lower Canada mine; Orford mine), Hatley, Memphrémagog RCM, Estrie, Québec, Canada
Data Identifiers
Mindat Occurrence Record ID:481732
Long-form Identifier:1:3:481732:1
GUID (UUID V4):0
Nearest other occurrences of Posnjakite
0.8km (0.5 miles) ⓘCapelton mines (Capel mine; Albert mines; Wheal Betsy), Hatley, Memphrémagog RCM, Estrie, Québec, Canada
31.5km (19.6 miles) ⓘIves mine, Eastman, Memphrémagog RCM, Estrie, Québec, Canada
59.0km (36.6 miles) ⓘActon mine, Acton Vale, Acton RCM, Montérégie, Québec, Canada
59.5km (37.0 miles) ⓘSweet's Mine, Sutton, Brome-Missisquoi RCM, Estrie, Québec, Canada
99.1km (61.6 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
Sabina, Ann P. (1967) Rocks and minerals for the collector: Eastern Townships and Gaspé, Quebec and parts of New Brunswick. Geological Survey of Canada, Paper 66-51, 170 pp.pp.20-22
 
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