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polydymite

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polydymite

[pə′lid·ə‚mīt]
(mineralogy)
Ni3S4 A mineral of the linnaeite group consisting of nickel sulfide.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
Less well known, however, are the minerals that have been exposed in limestone quarries in west-central Illinois, including display-quality specimens of twinned calcite and the uncommon minerals violarite and polydymite.
Polydymite, a relatively rare mineral, has been confirmed in specimens from Hamilton by X-ray powder diffraction (White, 1970).
JOINT COMMITTEE ON POWDER DIFFRACTON STANDARDS (1974) Selected Powder Diffraction Data for Minerals: Millerite, polydymite and violarite.
The minerals of west-central Illinois
There, it is associated with cinnabar, native mercury, sphalerite, tennantite, chalcopyrite, polydymite and pyrite.
The Clear Creek mine, San Benito County, California: a unique mercury locality
Green gaspeite was tentatively identified by XRD as a constituent of a yellow-green secondary coating (mostly an unnamed Ni-Fe sulfate: see below) on pentlandite and polydymite.
Polydymite was identified by XRD as metallic gray material associated with pentlandite.
However, it may be polydymite; the composition needs checking.
The Lord Brassey Mine, Tasmania. (Famous Mineral Localities)
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