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Biotite from
Keene Mica Products mine, Gilsum, Cheshire County, New Hampshire, USA


Locality type:Mine
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Keene Mica Products mine, Gilsum, Cheshire County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:51144
Long-form Identifier:1:3:51144:5
GUID (UUID V4):e3650f3f-16d2-45a6-b997-4ef6be9002ff
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
New Hampshire Mineral Locality Index Downloaded by [University of Newcastle, Australia] at 15:01 05...entrance and arch of the Palermo mine, North Groton, Grafton County. Rob Lawrence photo, courtesy Bob...Bob Whitmore. 242 ROCKS & MINERALS lthough New Hampshire, the Granite State, is one of our smaller states...reading Jackson (1844) on the mineralogy of New Hampshire that even at this early date there was already...activity produced new localities, renewed some old localities, and resulted in new minerals being discovered
Report (issue)
SOME DEPOSITS OF MICA IN "THE UNITED STATES. By DOUGLAS B. STERRETT. INTRODUCTION. This paper is intended...intended to present descriptions of a number .of mica deposits examined in various parts of the United...information on the production, value, uses, and nature of mica is given only very briefly. Much assistance was...given in New Hampshire by Samuel Cordick, superintendent of the General Electric Co.'s mine; Andrew T...T. Orr, of the Mica Products Co.; C. W. Bryant, of the Standard mine; L. R. Brown, of Canaan; G. N. Bicker
Report (volume)
Mendenhall, Director Bulletin 931-P MICA-BEARING PEGMATITES OF NEW HAMPSHIRE A PRELIMINARY REPORT BY J. C................ Alstead area, Keene district......................... Mica-bearing pegmatites............Mineral zones and streaks............................ Mica................................................................ Sheet mica sizes and pric'es.......................... Punch mica.......................................... Sheet mica....................................... Past production................
Report (volume)
SURVEY GEORGE OTIS SMITH, Director Bulletin 740 MICA DEPOSITS OF THE UNITED STATES DOUGLAS B. STERRETT...Physical properties_____________________________ Mica mining__________________ ____ _ ________ . Hist...Methods_____________________:_____________ Preparation of mica for the market____________________ Uses________...General features____________________________ Coosa County _________ ____________________ Randolph County...Cherokee County_____________________________ 72 Elbert County _____________________________ 75 Hall County__
Report (issue)
Pegmatite Investigations 1942-45 New England By EUGENE N. CAMERON and OTHERS GEOLOGICAL SURVEY PROFESSIONAL...History of pegmatite mining inN ew England _______ _ Mica mining ______________________________ _ Feldspar..._______ _ Geology of the pegmatite districts of New Hampshire_ Rock units ________________________________...___________________ _ Pegmatites of the Grafton and Keene districts __ _ Sources of pegmatites _______________________..._____________ _ Mica deposits ____ ·_________________________________ _ Kinds and characteristics of mica _________________
 
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