violarite वाक्य
उदाहरण वाक्य
मोबाइल
- Within the lower saprolite, violarite is transitional with unaltered pentlandite-pyrite-pyrrhotite ore.
- The sulfide minerals which are weathered to produce gasp�ite are pentlandite, violarite, millerite and rarely nickeline.
- The sulfide minerals which are weathered to produce kambaldaite are pentlandite, violarite, millerite and rarely nickeline.
- The transition zone supergene sulfide phases include; violarite, smythite, covellite, chalcocite and marcasite after pyrite.
- This may require additional treatment and processing, so in some cases low-grade violarite mineralisation is considered refractory ore.
- Violarite mineralisation requires different metallurgy to primary nickel sulfides, due to the different nature of its gangue and its flotation properties.
- Accessory minerals observed in the ore body include nickeline, nickeliferous chalcopyrite, cuprous pentlandite, arsenian pentlandite, violarite and arsenopyrite.
- "' Violarite "'( supergene sulfide mineral associated with the weathering and oxidation of primary pentlandite nickel sulfide ore minerals.
- Associated minerals include nimite, willemseite, nickeloan talc, violarite, millerite, reevesite and goethite at Bon Accord; and with native nickel, heazlewoodite and millerite at Mt.
- Nickel mineralisation in the regolith, in the upper saprolite typically exists as goethite, hematite, limonite and is often associated with polydymite and violarite, nickel sulfides which are of supergene association.
- Continued oxidation of violarite leads to replacement by goethite and formation of a gossanous boxwork, with nickel tending to remain as impurities within the goethite or haematite, or rarely as carbonate minerals.
- It was first described in 1868 for a sample from a hydrothermal nickel-uranium serpentine, nickeloan ludwigite, violarite, millerite, gaspeite, nimite and bonaccordite in the South African occurrence.
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