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Diopside from
Bolton Lime Quarries (Bolton Quarry; Whitcomb Quarry; Hildreth Quarry), Bolton, Worcester Co., Massachusetts, USA

Mineral Species
Species:Diopside
Formula:CaMgSi2O6
Description
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References:Emerson, B.K. Geology of Massachusetts and Rhode Island, 1917. (USGS Bulletin 597)
Data
Mineral Data:Click here to view Diopside data
Locality Data:Click here to view Bolton Lime Quarries (Bolton Quarry; Whitcomb Quarry; Hildreth Quarry), Bolton, Worcester Co., Massachusetts, USA
Photo GalleryView Gallery (2 photos)
Nearest other occurrences of Diopside
4.9km (3.1 miles) A Stow, Middlesex Co., Massachusetts, USA
10.8km (6.7 miles) B Acton, Middlesex Co., Massachusetts, USA
12.0km (7.5 miles) C Marlborough Junction locality, Marlborough, Middlesex Co., Massachusetts, USA
15.1km (9.4 miles) D PJ Keating Quarry (Lunenburg Quarry), Lunenburg, Worcester Co., Massachusetts, USA
17.9km (11.1 miles) E Concord, Middlesex Co., Massachusetts, USA
20.4km (12.7 miles) F Carlisle, Middlesex Co., Massachusetts, USA
21.7km (13.5 miles) G Lunenburg, Worcester Co., Massachusetts, USA
22.4km (13.9 miles) H Route 13 area, Lunenburg, Worcester Co., Massachusetts, USA
33.0km (20.5 miles) I Paxton, Worcester Co., Massachusetts, USA
35.4km (22.0 miles) J PJ Keating Quarry (Dracut Quarry; Condon Quarry), Dracut, Middlesex Co., Massachusetts, USA
45.6km (28.3 miles) K Windham, Rockingham Co., New Hampshire, USA
48.0km (29.8 miles) L Merrimack, Hillsborough Co., New Hampshire, USA
53.1km (33.0 miles) M Nahant, Essex Co., Massachusetts, USA
55.1km (34.2 miles) N Joppa Hill, Amherst, Hillsborough Co., New Hampshire, USA
56.3km (35.0 miles) O Pulpit Road locality, Bedford, Hillsborough Co., New Hampshire, USA
56.6km (35.2 miles) P Bedford, Hillsborough Co., New Hampshire, USA
57.8km (35.9 miles) Q Beverly, Essex Co., Massachusetts, USA
70.9km (44.1 miles) R Belchertown, Hampshire Co., Massachusetts, USA
72.4km (45.0 miles) S Hooksett Crushed Stone Quarry (Pike Industries Quarry), Hooksett, Merrimack Co., New Hampshire, USA
76.3km (47.4 miles) T Osgood Graphite Mine, Nelson, Cheshire Co., New Hampshire, USA
90.4km (56.1 miles) U Merry Hill, Northwood, Rockingham Co., New Hampshire, USA
100.0km (62.2 miles) V Walpole, Cheshire Co., New Hampshire, USA
100.8km (62.6 miles) W Parker Mountain Mine (Buzzo Mine; Foss Mine), Parker Mountain, Strafford, Strafford Co., New Hampshire, USA
103.4km (64.3 miles) X Westfield, Hampden Co., Massachusetts, USA
112.7km (70.0 miles) Y Town of Athens, Windham Co., Vermont, USA
113.7km (70.7 miles) Z Bemis Limestone Quarry, Athens, Town of Athens, Windham Co., Vermont, USA
116.5km (72.4 miles) 0 State Route 2 roadcut, Marlborough, Hartford Co., Connecticut, USA
122.6km (76.2 miles) 1 Windsor, Berkshire Co., Massachusetts, USA
125.2km (77.8 miles) 2 Becket, Berkshire Co., Massachusetts, USA
126.2km (78.4 miles) 3 Carr Brook Waterfall, Collins Hill, Portland, Middlesex Co., Connecticut, USA
126.5km (78.6 miles) 4 Schoonmaker Mine (Cramer Mine), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
126.6km (78.7 miles) 5 Strickland Quarry (Eureka Quarry), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
128.0km (79.5 miles) 6 Hinsdale, Berkshire Co., Massachusetts, USA
128.4km (79.8 miles) 7 Webster prospects (Sanford vesuvianite locality; Goodall Farm prospect; Webster vesuvianite prospect), Sanford, York Co., Maine, USA
128.4km (79.8 miles) 8 Otis, Berkshire Co., Massachusetts, USA
130.1km (80.8 miles) 9 White Rock District (White Rocks District), Middletown, Middlesex Co., Connecticut, USA
Mineral and/or Locality  
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