CELADONITE K(Mg,Fe)(Fe,Al)Si4O10(OH)2 Monoclinic

Description: Celadonite is an earthly green to blue-green mineral formed by low grade hydrothermal of diagenetic alteration of other minerals or volcanic glass.

GRANT COUNTY: Celadonite is reported from the Bridgeport Quarry, 3 miles SE of Bridgeport (SW Sec. 20 T.6N R.5E). It is associated with galena, sphalerite, pyrite and jasperoid quartz in dolostone (Heyl et. al., 1959).

IOWA COUNTY: Celadonite is associated with galena, dolomite, sphalerite and quartz at the Ohlerking lead mines in NW SE Sec. 39 T.7N R.1E, west of Highland (Heyl et. al., 1959).

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