Alstonite from
Minerva No. 1 Mine (Ozark-Mahoning No. 1 Mine) Ozark-Mahoning Group, Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA

Minerva No. 1 Mine (Ozark-Mahoning No. 1 Mine) Ozark-Mahoning Group, Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA
© Alan Goldstein

Description
Comments:	Lining cavities in veins of waxy benstonite, finegrained calcite and witherite crystals.
Habit:	sharpely terminated pseudo-hexagonal pyramids up to 2 mm in length
Colour:	colorless to grey, transparent
Quality of samples:	not specified / average specimens
Confirmation
Validity:	Believed Valid
References
References:	Rossman, G. R. and Squires, R. L. (1974) The occurence of alstonite at Cave in Rock, Illinois. Mineralogical Record 5: 266-269; Rocks & Minerals: 63: 214.; ; Mineralogical Record (1997) 28:3-49
Data
Mineral Data:	Click here to view Alstonite data
Locality Data:	Click here to view Minerva No. 1 Mine (Ozark-Mahoning No. 1 Mine) Ozark-Mahoning Group, Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA
Photo Gallery	View Gallery (8 photos)

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Current server date and time: 16th Feb 2012 12:44:17