Roncari quarry (Tilcon quarry), East Granby, Hartford Co., Connecticut, USA

Standard Detailed By Chemistry Mineral Photos (106)Search Google

Quarry in Triassic basalt.

References:
Wolfe, C. W. and Vilks, I. (1960): Pseudomorphs after Datolite, Prehnite and Apophyllite from East Granby, Connecticut. (American Mineralogist 45:443-447).

Rocks & Minerals, 70:398.

Article entry:
	"Barf" Datolite	Paul Gilmore

Mineral List:

'Apophyllite'
Babingtonite
Calcite
Chalcopyrite
'Chlorite Group'

Chrysocolla
Datolite
Epidote
Hematite
var: Iron Rose

Prehnite
Pyrite
Quartz
var: Amethyst
var: Smoky Quartz

15 entries listed. 10 valid minerals.

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