Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Anthophyllite from
Pelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA


02004480017272038153170.jpg
Anthophyllite

Pelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA
03612940017272038169900.jpg
Anthophyllite

Pelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA
01807640017272038237723.jpg
Anthophyllite

Pelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA
02754640017272038243394.jpg
Anthophyllite

Pelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA
02004480017272038153170.jpg
Anthophyllite

Pelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA
03612940017272038169900.jpg
Anthophyllite

Pelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA
01807640017272038237723.jpg
Anthophyllite

Pelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA
02754640017272038243394.jpg
Anthophyllite

Pelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA
08926230017272038217390.jpg
Anthophyllite

Pelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA
03773730017272038258510.jpg
Anthophyllite

Pelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA
09527810017272038255637.jpg
Anthophyllite

Pelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA
02754640017272038243394.jpg
Anthophyllite

Pelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA
Locality type:Mine
Classification
Species:Anthophyllite
Formula:◻Mg2Mg5(Si8O22)(OH)2
Habit:Fibrous. Some fibers more than two feet long.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Anthophyllite data
Locality Data:Click here to view Pelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA
Photo GalleryView Gallery (5 photos)
Data Identifiers
Mindat Occurrence Record ID:93006
Long-form Identifier:1:3:93006:6
GUID (UUID V4):0
Nearest other occurrences of Anthophyllite
43.8km (27.2 miles) ⓘRichmond Soapstone Quarry, Richmond, Cheshire County, New Hampshire, USA
72.1km (44.8 miles) ⓘSatan's Kingdom talc deposits, New Hartford, Litchfield County, Connecticut, USA
89.7km (55.7 miles) ⓘColony Quarry, Alstead, Cheshire County, New Hampshire, USA
94.4km (58.7 miles) ⓘHaddam Neck, Haddam, Middlesex County, Connecticut, USA
94.6km (58.8 miles) ⓘAmphibole-tourmaline-magnetite locality, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
98.2km (61.0 miles) ⓘSandy Hill, Haddam, Middlesex County, Connecticut, USA
99.0km (61.5 miles) ⓘTimms Hill (Tim's Hill; Iolite Hill), Haddam, Middlesex County, Connecticut, USA
References
Emerson, B.K. (1917) Geology of Massachusetts and Rhode Island. Bulletin 597. US Geological Survey doi:10.3133/b597 pp.216-217
Van Gosen, Bradley S. (2005) Reported historic asbestos mines, historic asbestos prospects, and natural asbestos occurrences in the eastern United States. USGS Open-File Report 2005-1189.
 
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