devillite

devillite

[də′vē‚līt]
(mineralogy)
Cu4Ca(SO4)2(OH)6·3H2O A dark-green mineral consisting of a hydrous basic sulfate of copper and calcium, occurring in six-sided platy crystals.
References in periodicals archive ?
Wet chemical and microscopic study indicates the presence of devillite as tiny flattened and tabular platy clusters of bluish-white crystals occurring sparingly at the Brick 2 with serpierite and ktenasite.
The Finch mine and vicinity, Gila County, Arizona
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