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

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

	Prehnite

	Pyrite

	Quartz

	var: Amethyst

	var: Smoky Quartz

14 entries listed. 10 valid minerals.

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