• Gahnite - Wikipedia

    en.wikipedia.org/wiki/Gahnite Gahnite, ZnAl 2 O 4, is a rare mineral belonging to the spinel group. It forms octahedral crystals which may be green, blue, yellow, brown or grey. It often forms as an alteration product of sphalerite in altered massive sulphide deposits such as at Broken Hill, Australia.Other occurrences include Falun, Sweden where it is found in pegmatites and skarns, Charlemont, Massachusetts; Spruce Pine ...
  • Gahnite: Mineral information, data and localities.

    www.mindat.org/min-1632.html Gahnite, chrysoberyl and beryl co-occurrence as accessory minerals in a highly evolved peraluminous pluton: the Belvís de Monroy leucogranite (Cáceres, Spain). Lithos, 179, 137-156. Galicia
  • Gahnite | Definition of Gahnite at Dictionary.com

    www.dictionary.com/browse/gahnite Gahnite definition, a dark-green to black mineral of the spinel group, zinc aluminate, ZnAl2O4. See more.
  • GAHNITE (Zinc Aluminum Oxide) - Amethyst Galleries

    www.galleries.com/Gahnite Gahnite is one of the rarer members of the Spinel Group of minerals, an important group of oxides. It is named after Swedish chemist L. G. Gahn, who discovered manganese. Gahnite forms in some granitic pegmatites, zinc deposits and in skarns, a special type of contact metamorphic rock.
  • Gahnite | mineral | Britannica

    www.britannica.com/science/gahnite Gahnite, the mineral zinc aluminum oxide, a member of the spinel (q.v.)
  • Gahnite gemstone information - gemdat.org

    www.gemdat.org/gem-1632.html Gahnite is named after J.G. Gahn, a Swedish chemist and mineralogist, who discovered the mineral. It was first described in 1807 for an occurrence in the Falu mine, Falun, Dalarna, Sweden. Gahnite is a rare mineral belonging to the Spinel group. It has the same structure as Spinel but different chemistry (zinc).
  • Gahnite - definition of gahnite by The Free Dictionary

    www.thefreedictionary.com/gahnite Define gahnite. gahnite synonyms, gahnite pronunciation, gahnite translation, English dictionary definition of gahnite. n. A brittle, dark green to brown or black mineral, ZnAl2O4. n a dark green mineral of the spinel group consisting of zinc aluminium oxide. Formula: ZnAl2O4...
  • Gahnite | Definition of Gahnite by Merriam-Webster

    www.merriam-webster.com/dictionary/gahnite Gahnite definition is - a usually dark green mineral consisting of an oxide of zinc and aluminum.
  • Gahnite Mineral Data

    www.webmineral.com/data/Gahnite.shtml General Gahnite Information : Chemical Formula: ZnAl2O4 : Composition: Molecular Weight = 183.35 gm Aluminum 29.43 % Al 55.61 % Al 2 O 3: Zinc 35.66 % Zn 44.39 % ZnO: Oxygen 34.90 % O: 100.00 % 100.00 % = TOTAL OXIDE
  • Wisconsin Geological & Natural History Survey » Gahnite

    wgnhs.wisc.edu/minerals/gahnite Formula: ZnAl 2 O 4 Isometric Description: Gahnite is an uncommon mineral found in schists and high temperature hydrothermal deposits. DODGE COUNTY: Tiny aggregates of octahedral xls. were seen in pegmatites cutting quartzite in the Michels Materials Waterloo Quarry, NE sec. 33 and NW sec. 34 T.9N. R.13E. (Buchholz et al. , 2003, 2005) RUSK COUNTY: Tiny green xls found at the Flambeau Copper ...