nickeline


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nickeline

[¦nik·ə¦lēn]
(mineralogy)
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The best reported Bou Azzer annabergite specimens (Clavel and Elmaleh-Levy, 1978) are those found in an ore vein (designated as the Filon Nickeline--"Nickeline Vein") in the western part of the district, 6 km west-northwest of Bou Azzer.
In Vein 51 at Ait Ahmane, in the eastern part of the district, a shear zone in serpentinite containing chalcopyrite, nickeline and rammelsbergite is especially rich in finely divided gold (particles <0.05 mm).
(See Nickeline, Nickel-skutterudite and Maucherite.)
In Vein 51 at Ait Ahmane, nickel-rich talmessite forms pale green crusts and tiny crystals on calcite matrix, with nickeline and bright emerald-green nepouite.
Vein 51 at Ait Ahmane is a particularly rich occurrence where, in addition to octahedral gersdorffite crystals, fist-sized masses of nickeline are still being found.
The execution of both transactions will provide Toledo with a greater representation on the BNC board via an increased direct holding, it added.Country: PhilippinesSector: Metals/MiningTarget: Nickeline Resources Holdings Inc (NRHI)Buyer: DMCI Holdings Inc, DMCI Mining CorporationVendor: Toledo Mining Corporation plcDeal size in USD: 6.6mType: DivestmentStatus: ExclusivityComment: MoU
When we came to the pink nickeline specimen he stopped and thought for a moment, then said he thought there was a similar piece around somewhere that I might also be interested in.
Occurrence: Associated minerals are: quartz, nickeline, bismuth, bunsenite, aerugite, xanthiosite, rooseveltite and two probably new arsenate minerals.
Ernesto had also some of his best-yet miniatures of feathery, sparkling metallic gray aggregates of nickeline, also from Ait Hamane, and even a couple of miniatures with open pockets showing linings of 3-mm deep magenta crystals of wendwilsonite, from Bou Azzer.
In some of the ore samples nickeline has been detected as a minor constituent.
chalcopyrite, pentlandite, pyrite, cobaltite-gersdorffite series, arsenopyrite, ullmannite, violarite, chromite, ilmenite, sphalerite, covellite, argentopentlandite, breithauptite, marcasite, nickeline, galena, rutile, barite, hessite, Au-Ag alloys, sperrylite, moncheite, sudburyite, testibiopalladite, kotulskite, mertieite-II, stibiopalladinite, geversite, melonite and four undefined minerals.
Gersdorffite and nickeline occur with dolomite and as vein fillings which cut across the main upright cleavage and sulfide layering.