zaratite


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zaratite

[′zär·ə‚tīt]
(mineralogy)
Ni3(CO3)(OH)4·4H2O An emerald-green mineral consisting of a hydrous basic nickel carbonate and occurring in incrustations or compact masses.
References in periodicals archive ?
The material of Henry and Birch (1992) consists of dull blue-green to olive-green, compact vein fillings in massive magnetite in serpentinite, with zaratite.
Most of the heazlewoodite appears to have reacted with carbonate-rich groundwater to form hellyerite, which has now largely dehydrated to zaratite.
When removed from the cold, damp mine environment to areas of lower humidity and/or higher temperature, some samples may deteriorate; samples of hellyerite tend to decay to an amorphous pale green material, probably zaratite, and zaratite itself may recrystallize to otwayite (Henry and Birch, 1992) and other phases (Isaacs, 1963).
There are, however, many minerals in common and the more interesting of these include the secondary minerals: gaspeite, otwayite, reevesite, retgersite and zaratite.
Good specimens of most of the listed minerals are still available from the dumps, particularly zaratite, heazlewoodite and hellyerite.