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Hydroxycalciopyrochlore from
MacDonald Mine, Monteagle Township, Hastings County, Ontario, Canada

Locality type:Mine
Comments:Masson and Gordon say: Associated with cyrtolite is the radioactive mineral ellsworthite. This mineral is waxy yellow-brown to shiny black in colour and commonly occurs in calcite or feldspar.
Validity:Believed Valid
References:Bideaux, R. (1997), v. 3, p. 457.; Hogarth, D. (1961) A Study of Pyrochlore and Betafite, Canadian Mineralogist: 6 : 610-633. Masson, S.L. and Gordon J.B. (1981) Radioactive Mineral Deposits of the Pembroke-Renfrew Area; Ontario Geological Survey Mineral Deposit Circular 23.
Mineral Data:Click here to view Hydroxycalciopyrochlore data
Locality Data:Click here to view MacDonald Mine, Monteagle Township, Hastings County, Ontario, Canada
Nearest other occurrences of Hydroxycalciopyrochlore
81.5km (50.6 miles) Hogan Occurrence, Lutterworth Township, Haliburton County, Ontario, Canada
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