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Bible Encyclopedias
Zincite
1911 Encyclopedia Britannica
or a mineral consisting of zinc oxide (ZnO), crystallizing in the hemimorphic-hemihedral class of the rhombohedral system. Distinct crystals are of rare occurrence; they have the form of a hexagonal pyramid terminated at one end only by a basal plane. There is a perfect cleavage parallel to the basal plane, and usually the mineral is found as platy foliated masses. The blood-red colour and the orange-yellow streak are characteristic features. The hardness is 41-, and the specific gravity is 5.6. Some manganese is usually present replacing zinc. It is found in the zinc mines at Sterling Hill and Franklin Furnace in Sussex (disambiguation)|Sussex county, New Jersey, where it is associated with franklinite and willemite in crystalline limestone, and is mined as an ore of zinc. Artificial crystals of a white or yellowish colour are not infrequently formed by sublimation in zinc furnaces.
These files are public domain.
Chisholm, Hugh, General Editor. Entry for 'Zincite'. 1911 Encyclopedia Britanica. https://www.studylight.org/encyclopedias/eng/bri/z/zincite.html. 1910.
