• Hellyerite - Wikipedia

    en.wikipedia.org/wiki/Hellyerite Hellyerite, NiCO 3 ·6(H 2 O), is an hydrated nickel carbonate mineral.It is light blue to bright green in colour, has a hardness of 2.5, a vitreous luster, a white streak and crystallises in the monoclinic system. The crystal habit is as platy and mammillary encrustations on its matrix.
  • What does hellyerite mean? - Definitions.net

    www.definitions.net/definition/hellyerite Definition of hellyerite in the Definitions.net dictionary. Meaning of hellyerite. What does hellyerite mean? Information and translations of hellyerite in the most comprehensive dictionary definitions resource on the web.
  • Hellyerite dictionary definition | hellyerite defined

    www.yourdictionary.com/hellyerite hellyerite definition: Noun 1. (mineralogy) A monoclinic-prismatic light blue mineral containing carbon, hydrogen, nickel, and oxygen.Origin -ite...
  • hellyerite : definition of hellyerite and synonyms of ...

    dictionary.sensagent.com/hellyerite/en-en Hellyerite, NiCO 3 ·6(H 2 O), is an hydrated nickel carbonate mineral.It is light blue to bright green in colour, has a hardness of 2.5, a vitreous luster, a white streak and crystallises in the monoclinic system. The crystal habit is as platy and mammillary encrustations on its matrix.
  • A to Z List - Mineral

    webmineral.com/data/Hellyerite.shtml Short-cut icons Legend; B: Valid Species (Bold) - All Minerals that are IMA approved or were considered valid prior to 1959 are in bold type. Pronunciation Icon - Sound file Courtesy Photo Atlas of Minerals. Mineral Image Icon - Mineral image is present for this mineral.
  • Hellyerite

    www.mindat.org/gm/1853 Hellyerite from the Type Locality, the Lord Brassey Mine, Heazlewood, Tasmania. The blue-green hellyerite has altered from the nickel sulphides (heazlewoodite and pentlandite) and is on its way to altering further to bright green zaratite. Interestingly, there is possible reevesite (yellowish) towards the top left of the photo. The photo width ...
  • Hellyerite Mineral Data

    webmin.mindat.org/data/Hellyerite.shtml Hellyerite Crystallography: Axial Ratios: a:b:c =1.4755:1:2.5593 : Cell Dimensions: a = 10.77, b = 7.299, c = 18.681, Z = 8; beta = 94° V = 1,464.94 Den(Calc)= 2.06
  • Hellyerite - RRUFF Database: Raman, X-ray, Infrared, and ...

    rruff.info/Hellyerite REFERENCES for Hellyerite; Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. Fleischer M (1959) New mineral names, American Mineralogist, 44, 1102-1104
  • Hellyerite NiCO3 6H2O - Handbook of Mineralogy

    www.handbookofmineralogy.com/pdfs/hellyerite.pdf Hellyerite NiCO3• 6H2O c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic. Point Group: 2/m. As crystal fragments and microcrystalline coatings, to 2 mm. Twinning: Fine lamellar twinning parallel to the perfect cleavage. Physical Properties: Cleavage: One perfect direction; two directions, less perfect, at 112 to one another and both approximately perpendicular to the ...
  • Violarite - Wikipedia

    en.wikipedia.org/wiki/Violarite Violarite (Fe 2+ Ni 2 3+ S 4) is a supergene sulfide mineral associated with the weathering and oxidation of primary pentlandite nickel sulfide ore minerals.. Violarite crystallises in the isometric system, with a hardness of 4.5 to 5.5 and a specific gravity of about 4, is dark violet grey to copper-red, often with verdigris and patina from associated copper and arsenic sulfides, and is ...