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Webster 1913 Edition

Noun.

[So called after

Vulpino

, in Italy.]

(Min.)

A scaly granular variety of anhydrite of a grayish white color, used for ornamental purposes.

Noun.

A mineral of a grayish white color, splendent and massive; its fracture foliated. It consists of the sulphate of lime and silica.

vulpinite ‎(uncountable)

(mineralogy) A scaly granular variety of anhydrite of a grayish-white colour, used for ornamental purposes.