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Siderophyllite from
Rollstone Hill Quarry, Fitchburg, Worcester Co., Massachusetts, USA

Description
Comments:"The refractive indices are: α =1.640 β and γ = 1.645, and suggest siderophyllite." (Hitchen, 1935)
Colour:black
Quality of samples:not specified / average specimens
Confirmation
Validity:Unconfirmed/Questioned
References
References:Hitchen, 1935: Am Min 20(1):1-24
Data
Mineral Data:Click here to view Siderophyllite data
Locality Data:Click here to view Rollstone Hill Quarry, Fitchburg, Worcester Co., Massachusetts, USA
Nearest other occurrences of Siderophyllite
165.1km (102.6 miles) Moose Pocket, Blue Mountain, SSW of Blackberry Crossing, Albany, Carroll Co., New Hampshire, USA
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