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Zn may be replaced by Li, Fe2+, Mg.
Vitreous, Resinous
Specific Gravity:
3.78 (Calculated)
Crystal System:
Named as the zinc analogue of Staurolite. Submitted to the CNMMN in 1992, but was first formally described as a new mineral species in 2003.
Staurolite Group. The zinc analogue of Staurolite.

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Classification of ZincostauroliteHide

Approval Year:

9 : SILICATES (Germanates)
A : Nesosilicates
F : Nesosilicates with additional anions; cations in [4], [5] and/or only [6] coordination

Physical Properties of ZincostauroliteHide

Vitreous, Resinous
3.78 g/cm3 (Calculated)

Optical Data of ZincostauroliteHide

Biaxial (+)
RI values:
nα = 1.722 nγ = 1.734
Max Birefringence:
δ = 0.012
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:

Chemical Properties of ZincostauroliteHide


Zn may be replaced by Li, Fe2+, Mg.

Crystallography of ZincostauroliteHide

Crystal System:
Class (H-M):
2/m - Prismatic
Space Group:
Cell Parameters:
a = 7.853 Å, b = 16.534 Å, c = 5.639 Å
β = 90(5)°
a:b:c = 0.475 : 1 : 0.341
Unit Cell V:
732.18 ų (Calculated from Unit Cell)

Type Occurrence of ZincostauroliteHide

Geological Setting of Type Material:
A karst-filling metabauxite pocket of Mesozoic cover (Barrhorn series) of the Sivie-Mischabel nappe. A breakdown of Gahnite, Pyrophyllite and Diaspore.
Associated Minerals at Type Locality:

Synonyms of ZincostauroliteHide

Other Language Names for ZincostauroliteHide

Relationship of Zincostaurolite to other SpeciesHide

Other Members of this group:
MagnesiostauroliteMg(Mg,Li)3(Al,Mg)18Si8O44(OH)4Mon. 2/m : B2/m
StauroliteFe2+2Al9Si4O23(OH)Mon. 2/m : B2/m

Related Minerals - Nickel-Strunz GroupingHide

9.AF.05SillimaniteAl2(SiO4)OOrth. mmm (2/m 2/m 2/m)
9.AF.10AndalusiteAl2(SiO4)OOrth. mmm (2/m 2/m 2/m) : Pnnm
9.AF.10KanonaiteMn3+Al(SiO4)OOrth. mmm (2/m 2/m 2/m) : Pnnm
9.AF.15KyaniteAl2(SiO4)OTric. 1 : P1
9.AF.20MulliteAl4+2xSi2-2xO10-xOrth. mmm (2/m 2/m 2/m) : Pbam
9.AF.20Krieselite(Al,Ga)2(GeO4)(OH)2Orth. mmm (2/m 2/m 2/m) : Pnma
9.AF.23BoromulliteAl9BSi2O19Orth. mm2 : Cmc21
9.AF.25YoderiteMg(Al,Fe3+)3(SiO4)2O(OH)Mon. 2/m : P21/m
9.AF.30MagnesiostauroliteMg(Mg,Li)3(Al,Mg)18Si8O44(OH)4Mon. 2/m : B2/m
9.AF.30StauroliteFe2+2Al9Si4O23(OH)Mon. 2/m : B2/m
9.AF.35TopazAl2(SiO4)(F,OH)2Orth. mmm (2/m 2/m 2/m)
9.AF.40NorbergiteMg3(SiO4)(F,OH)2Orth. mmm (2/m 2/m 2/m)
9.AF.45AlleghanyiteMn2+5(SiO4)2(OH)2Mon. 2/m : P21/b
9.AF.45Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2Mon. 2/m : P21/b
9.AF.45ReinhardbraunsiteCa5(SiO4)2(OH,F)2Mon. 2/m : P21/b
9.AF.45KumtyubeiteCa5(SiO4)2F2Mon. 2/m : P21/b
9.AF.45HydroxylchondroditeMg5(SiO4)2(OH)2Mon. 2/m : P21/b
9.AF.50Humite(Mg,Fe2+)7(SiO4)3(F,OH)2Orth. mmm (2/m 2/m 2/m)
9.AF.50Unnamed (Ca-analogue of Humite)Ca7(SiO4)4F2Orth. mmm (2/m 2/m 2/m)
9.AF.55HydroxylclinohumiteMg9(SiO4)4(OH)2Mon. 2/m
9.AF.60LeucophoeniciteMn2+7(SiO4)3(OH)2Mon. 2/m : P21/b
9.AF.70JerrygibbsiteMn2+9(SiO4)4(OH)2Orth. mmm (2/m 2/m 2/m) : Pbcn
9.AF.75WeliniteMn2+6(W6+,Mg)2(SiO4)2(O,OH)6Trig. 3 : P3
9.AF.85Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2Mon. 2/m : B2/b
9.AF.85MagnesiochloritoidMgAl2(SiO4)O(OH)2Mon. 2/m : B2/b
9.AF.90PoldervaartiteCaCa[SiO3(OH)](OH)Orth. mmm (2/m 2/m 2/m) : Pbca
9.AF.90OlmiiteCaMn2+[SiO3(OH)](OH)Orth. mmm (2/m 2/m 2/m) : Pbca

Other InformationHide

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 ZincostauroliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Chopin C., Goffé B., Ungaretti L., Oberti R. (2003) Magnesiostaurolite and zincostaurolite: mineral description with a petrogenetic and crystal-chemical update. European Journal of Mineralogy: 15: 167-176.
Feenstra A., Okcenga E., Rhede D., Wiedenbeck M. (2003) Li-rich zincostaurolite and its decompression-related breakdown products in a diaspore-bearing metabauxite from East Samos (Greece): An EMP and SIMS study. American Mineralogist: 88: 789-805.
Roth, Ph. (2007): Minerals first discovered in Switzerland and minerals named after Swiss individuals. Philippe Roth, Ed., Zurich, 239 pp.

Internet Links for ZincostauroliteHide

Localities for ZincostauroliteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Aegean Islands Department (Aiyaíon)
    • Sámos Prefecture
      • Sámos Island
American Mineralogist (2003) 88, 789-805
  • Nordland
    • Hemnes
      • Bleikvassli
Rosenberg, J.L., Spry, P.G., Jacobson, C.E., and Vokes, F.M. (2000): The effects of sulfidation and oxidation during metamorphism on compositionally varied rocks adjacent to the Bleikvassli Zn-Pb-(Cu) deposit, Nordland, Norway. Mineralium Deposita 35, 714-726
  • Northern Region
    • Komi Republic
      • Prepolar Ural
        • Kozhim River Basin
          • Maldynyrd range (Maldy-nyrd range)
P.M. Kartashov data
            • Grubependity Lake
Pavel M. Kartashov data
Switzerland (TL)
  • Wallis (Valais)
    • Turtmann Valley
Chopin, C., Goffé, B., Ungaretti, L., Oberti, R. (2003): Magnesiostaurolite and zincostaurolite: mineral description with a petrogenic and crystal-chemical update. Eur. J. Mineral., 15, 167-176
    • Zermatt - Saas Fee area
      • Matt Valley
Am Min 88:5-6 pp 789-805
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