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Galaxite

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Formula:
(Mn,Fe,Mg)(Al,Fe)2O4
System:
Isometric
Colour:
Red, brown
Hardness:
Member of:
Name:
The type locality is near Galax, Alleghany Co., North Carolina, USA.
Spinel Group, Al series.

Classification of Galaxite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
4.BB.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
B : Metal: Oxygen = 3:4 and similar
B : With only medium-sized cations
7.2.1.2

7 : MULTIPLE OXIDES
2 : AB2X4
7.19.5

7 : Oxides and Hydroxides
19 : Oxides of Mn and Fe
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First Recorded Occurrence of Galaxite

Year of Discovery:
1932

Physical Properties of Galaxite

Vitreous
Colour:
Red, brown
Streak:
Brownish red
Hardness (Mohs):
Tenacity:
Brittle
Fracture:
Conchoidal
Density:
4.03 g/cm3 (Calculated)

Crystallography of Galaxite

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fd3m
Cell Parameters:
a = 8.271Å
Unit Cell Volume:
V 565.81 ų (Calculated from Unit Cell)
Morphology:
Massive.

Optical Data of Galaxite

Type:
Isotropic

Chemical Properties of Galaxite

Formula:
(Mn,Fe,Mg)(Al,Fe)2O4
Essential elements:
All elements listed in formula:

Relationship of Galaxite to other Species

Member of:
Other Members of Group:
Ceylonite
ChromiteFe2+Cr23+O4
Cochromite(Co,Ni,Fe)(Cr,Al)2O4
CoulsoniteFe2+V23+O4
CuprospinelCu2+Fe23+O4
Filipstadite(Sb0.5Fe0.5)Mn2O4
FrankliniteZn2+Fe23+O4
GahniteZnAl2O4
HercyniteFe2+Al2O4
JacobsiteMn2+Fe23+O4
MagnesiochromiteMg(Cr,Al,Fe)2O4
MagnesiocoulsoniteMgV2O4
MagnesioferriteMgFe23+O4
MagnetiteFe2+Fe23+O4
Manganochromite(Mn,Fe)(Cr,V)2O4
Nichromite(Ni,Co,Fe)(Cr,Fe,Al)2O4
Qandilite(Mg,Fe)2(Ti,Fe,Al)O4
SpinelMgAl2O4
TrevoriteNi2+Fe23+O4
UlvöspinelFe2TiO4
Vuorelainenite(Mn,Fe)(V,Cr)2O4
ZincochromiteZnCr2O4
4.BB.05ChromiteFe2+Cr23+O4
4.BB.05Cochromite(Co,Ni,Fe)(Cr,Al)2O4
4.BB.05CoulsoniteFe2+V23+O4
4.BB.05CuprospinelCu2+Fe23+O4
4.BB.05Filipstadite(Sb0.5Fe0.5)Mn2O4
4.BB.05FrankliniteZn2+Fe23+O4
4.BB.05GahniteZnAl2O4
4.BB.05HercyniteFe2+Al2O4
4.BB.05JacobsiteMn2+Fe23+O4
4.BB.05Manganochromite(Mn,Fe)(Cr,V)2O4
4.BB.05MagnesiocoulsoniteMgV2O4
4.BB.05MagnesiochromiteMg(Cr,Al,Fe)2O4
4.BB.05MagnesioferriteMgFe23+O4
4.BB.05MagnetiteFe2+Fe23+O4
4.BB.05Nichromite(Ni,Co,Fe)(Cr,Fe,Al)2O4
4.BB.05Qandilite(Mg,Fe)2(Ti,Fe,Al)O4
4.BB.05SpinelMgAl2O4
4.BB.05TrevoriteNi2+Fe23+O4
4.BB.05UlvöspinelFe2TiO4
4.BB.05Vuorelainenite(Mn,Fe)(V,Cr)2O4
4.BB.05ZincochromiteZnCr2O4
4.BB.10HausmanniteMn2+Mn23+O4
4.BB.10HetaeroliteZnMn2O4
4.BB.10HydrohetaeroliteZnMn2O4 · H2O
4.BB.10IwakiiteMn2+Fe23+O4
4.BB.15MaghemiteFe23+O3
4.BB.15TitanomaghemiteFe3+(Fe3+,Ti4+,Fe2+,◻)2O4
4.BB.20Tegengrenite(Mg,Mn2+)2Sb5+0.5(Mn3+,Si,Ti)0.5O4
4.BB.25XieiteFe2+Cr2O4
7.19.1BixbyiteMn23+O3
7.19.2JangguniteMn5-x(Mn,Fe)1+xO8(OH)6
7.19.3JacobsiteMn2+Fe23+O4
7.19.4Vernadite(Mn4+,Fe3+,Ca,Na)(O,OH)2 · nH2O
7.19.6Filipstadite(Sb0.5Fe0.5)Mn2O4
7.19.7Manganochromite(Mn,Fe)(Cr,V)2O4
7.19.8ZenzénitePb3(Fe,Mn)4Mn3O13

Other Names for Galaxite

Name in Other Languages:
German:Galaxit
Spanish:Galaxita

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Galaxite

Reference List:
Krenner (1907), Zs. Kr.: 43: 471.

Ross and Kerr (1932), American Mineralogist (1932): 17: 1-8, 15.

Essene, E.J. and Peacor, D.R. (1983) Crystal chemistry and petrology of coexisting galaxite and jacobsite and other spinel solutions and solvi. American Mineralogist: 68: 449-455.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Seventh edition, Volume I: 689-697.

European Journal of Mineralogy: 9: 31-42.

Internet Links for Galaxite

Localities for Galaxite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Germany
 
  • Bavaria
    • Franconia
      • Maroldsweisach
Wittern: "Mineralfundorte in Deutschland", 2001
Ghana
 
  • Western Region
    • Tarkwa
Mineralium Deposita Volume 34 Issue 3 (1999) pp 297-311
Japan
 
  • Hokkaido
    • Oshima peninsula
      • Kumaishi
Kobayashi H (1977) Kanoite, (Mn2+,Mg)2[Si2O6], a new clinopyroxene in the metamorphic rock from Tatehira, Oshima Peninsula, Hokkaido, Japan. Journal of the Geological Society of Japan 83, 537-542
  • Honshu Island
    • Chubu Region
      • Aichi Prefecture
        • Kita-Shidara-gun
          • Shidara-cho
Mayumi Yoshinaga (1963) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 14, 1, 1-22.; Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.
      • Fukui Prefecture
        • Mikata-kaminaka-gun
          • Wakasa-cho
Kato, A. (2010) Mumeikai Group meeting, No. 30.
      • Gifu Prefecture
Donald E. Lee (1955)
    • Chugoku Region
      • Yamaguchi Prefecture
        • Iwakuni City
Lee, D. E. (1955)
        • Kudamatsu City
Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.
        • Kuga-gun
H. Momoi (1964) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 15, #1, 61.
Mayumi Yoshinaga (1963) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 14, 1, 1-22.
Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.
    • Kanto Region
      • Gunma Prefecture
Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.
        • Midori City
Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.
      • Tochigi Prefecture
        • Kanuma City
Akira Kato (undated manuscript): Country rock and Minerals of the Kaso mine, Kanuma City, Tochigi Prefecture. (in japanese); Yoshinaga, Mayumi. "Sonolite, a new manganese silicate mineral." Mem Fac Sci Kyushu Univ Ser D Geol 14 (1963): 1-21.
Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.
H. Yoshimura (1952)
    • Kinki Region
      • Kyoto Prefecture
        • Sohraku-gun
          • Wazuka-cho
Ohe Rikosha specimens (with sonolite)
      • Shiga Prefecture
        • Ritto City
Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.; Yoshinaga, Mayumi. "Sonolite, a new manganese silicate mineral." Mem Fac Sci Kyushu Univ Ser D Geol 14 (1963): 1-21.
    • Tohoku Region
      • Iwate Prefecture
        • Kuji City
          • Yamagata
Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.
        • Noda
Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.
        • Shimohei-gun
          • Yamada
Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
  • Kyushu Region
    • Miyazaki Prefecture
      • Hinokage-cho
Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.
Namibia
 
  • Otjozondjupa Region
    • Grootfontein District
      • Kombat
Dunn, P.J. (1991), Rare minerals of the Kombat Mine, Mineralogical Record: 22(6): 421-425.
Romania
 
  • Suceava Co.
    • Suceava district
      • Iacobeni (Jakobeny; Jacobeny; Jakabfalva)
http://minerals-of-the-carpathians.eu
Russia
 
World of Stones #10.
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Ekaterinburg (Sverdlovsk)
          • Sedel'nikovo
Brusnitsyn A.I. (2000) Rhodonite deposits of Middle Ural, - S.-Peterburg Univercity press, p. 200 (in Rus.).
Sweden
 
  • Värmland
    • Filipstad
Kjell Gatedal
      • Nordmark (Nordmarksberg)
Min.Mag.(1978) 42, 133-136
Kjell Gatedal
Knut Edvard Larsen collection
Switzerland
 
  • Grischun (Grisons; Graubünden)
    • Engadin
      • Piz Corvatsch
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 175-176.
    • Hinterrhein Valley
      • Rheinwald
        • Splügen
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 176.
  • Wallis (Valais)
    • Turtmann Valley
      • Pipjitälli
The Canadian Mineralogist Vol. 44, pp. 000 (2006) page 205; Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
    • Zermatt - Saas Fee area
      • Matt Valley
        • Täsch Valley
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 30-31
Thailand
 
  • Kanchanaburi Province
    • Bo Phloi District
      • Bo Phloi
RRUFF Specimen ID: R120116
United Arab Emirates
 
  • Fujayrah Emirate (Fujairah)
    • Semail Ophiolite
Gnos, E. and Peters, T. (1995) Tephroite-hausmannite-galaxite from a granulite-facies manganese rock of the United Arab Emirates. Contributions to Mineralogy and Petrology: 120: 372-377.
USA
 
  • Connecticut
    • Middlesex Co.
      • Haddam
Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut minerals.
  • North Carolina
    • Alleghany Co.
      • Sparta
        • Bald Knob
Rocks & Min.: 60:130-135.
    • Clay Co.
Forsyth Gem and Mineral Club
  • Virginia
    • Carroll Co.
      • Southern Section-Blue Ridge Province
        • Gossan Lead District
Minerals of Virginia 1990 by R. V. Dietrich
    • Pittsylvania Co.
      • James River-Roanoke River Mn-Fe-Ba District
AmMin 87:690-698 (2002)
Minerals of Virginia, 1990 by R. V. Dietrich
Mineral and/or Locality  
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