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Vermiculite from
Bolton Lime Quarries (Bolton Quarry; Whitcomb Quarry; Hildreth Quarry), Bolton, Worcester County, Massachusetts, USA


Locality type:Quarry
Classification
Species:Vermiculite
Formula:Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Comments:Originally and informally introduced as a new mineral name later identified as vermiculite-related phyllosilicate. See Clark (1993), Hey's Mineral Index, third edition, p. 92.
Habit:micaceous
Colour:gray
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Vermiculite data
Locality Data:Click here to view Bolton Lime Quarries (Bolton Quarry; Whitcomb Quarry; Hildreth Quarry), Bolton, Worcester County, Massachusetts, USA
Data Identifiers
Mindat Occurrence Record ID:2404
Long-form Identifier:1:3:2404:4
GUID (UUID V4):0
Nearest other occurrences of Vermiculite
28.3km (17.6 miles) ⓘBallard Quarry, Worcester, Worcester County, Massachusetts, USA
73.3km (45.6 miles) ⓘPelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA
References
Dake, H. C., 1941, [Brodrickite], The Mineralogist, v. 9, p. 443.
 
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