Host rock is metaharzburgite.
References:
Emerson, B. K., 1917. Geology of Massachusetts and Rhode Island. (USGS Pub.597)
Shannon, Earl V., 1919: Famous mineral localities: the Pelham asbestos mine (American Mineralogist 4:37-39)
Mineral List:17 entries listed. 11 valid minerals.
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!