nickeline


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nickeline

[¦nik·ə¦lēn]
(mineralogy)
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Specimens showing apple-green annabergite crystals to 5 mm, as beautiful fan-shaped groups, were recovered in 1965; the specimens were found in a dolomitic cavity zone with nickeline, rammelsbergite and gersdorffite, at a depth of about 30 meters.
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.
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.
See under Nickeline, Nickel-skutterudite and Maucherite.
In Vein 51, nickel-rich talmessite forms pale green crusts and tiny crystals on calcite matrix, with nickeline and bright emerald-green nepouite.
1966) Maucherite, or et nickeline de la mine d'Aghbar, region de Bou-Azzer (Anti-Atlas).
Country: PhilippinesSector: Metals/MiningTarget: Nickeline Resources Holdings Inc (NRHI)Buyer: DMCI Holdings Inc, DMCI Mining CorporationVendor: Toledo Mining Corporation plcDeal size in USD: 6.
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.
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.