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Mangazeite

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About MangazeiteHide

Formula:
Al2(SO4)(OH)4 · 3H2O
Colour:
White
Lustre:
Vitreous
Hardness:
1 - 2
Specific Gravity:
2.15 (Calculated)
Crystal System:
Triclinic
Member of:
Name:
For the type locality.

Classification of MangazeiteHide

Approved
Approval Year:
2005
7.DE.05

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
E : With only medium-sized cations; unclassified

Physical Properties of MangazeiteHide

Vitreous
Colour:
White
Streak:
White
Hardness:
1 - 2 on Mohs scale
Density:
2.15 g/cm3 (Calculated)

Optical Data of MangazeiteHide

Type:
Biaxial
RI values:
nα = 1.525 nγ = 1.545
Max Birefringence:
δ = 0.020
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of MangazeiteHide

Formula:
Al2(SO4)(OH)4 · 3H2O

Crystallography of MangazeiteHide

Crystal System:
Triclinic
Cell Parameters:
a = 8.286 Å, b = 9.385 Å, c = 11.35 Å
α = 96.1°, β = 98.9°, γ = 96.6°
Ratio:
a:b:c = 0.883 : 1 : 1.209
Unit Cell V:
859.27 ų (Calculated from Unit Cell)
Z:
4

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.258 (100)
7.59 (49)
7.16 (46)
3.912 (43)
8.14 (19)

Type Occurrence of MangazeiteHide

General Appearance of Type Material:
Radial-fibrous aggregates of thin lamellar fibres to 40 μm long and 1 μm thick
Geological Setting of Type Material:
In intensely fissured and pyritized granodiorites near a quartz-arsenopyrite vein
Associated Minerals at Type Locality:

Synonyms of MangazeiteHide

Relationship of Mangazeite to other SpeciesHide

Member of:
Other Members of this group:
AluminiteAl2(SO4)(OH)4 · 7H2OMon. 2/m : P21/b

Related Minerals - Nickel-Strunz GroupingHide

7.DE.10CarbonatecyanotrichiteCu4Al2(CO3,SO4)(OH)12 · 2H2OOrth.
7.DE.10CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2OOrth.
7.DE.10UKI-1975-(SO:AlCu)(Cu, Al, SO4, H2O)
7.DE.15SchwertmanniteFe3+16(OH,SO4)12-13O16 · 10-12H2OTet.
7.DE.20TlalociteCu10Zn6(Te6+O4)2(Te4+O3)(OH)25Cl · 27H2OOrth.
7.DE.25UtahiteCu5Zn3(TeO4)4(OH)8 · 7H2OTric.
7.DE.35CoquanditeSb6+xO8+x(SO4)(OH)x(H2O)1- x (x = 0.3)Tric. 1 : P1
7.DE.40OsakaiteZn4(SO4)(OH)6 · 5H2OTric. 1 : P1
7.DE.45WilcoxiteMgAl(SO4)2F · 17H2OTric. 1 : P1
7.DE.50Stanleyite(V4+O)(SO4) · 6H2OOrth.
7.DE.55McalpineiteCu3(Te6+O6)Iso. m3 (2/m 3) : Ia3
7.DE.60HydrobasaluminiteAl4(SO4)(OH)10 · 12-36H2OMon.
7.DE.62VolaschioiteFe4(SO4)O2(OH)6 · 2H2OMon. 2/m : B2/m
7.DE.65ZaheriteAl12(SO4)5(OH)26 · 20H2OTric.
7.DE.70LautenthalitePbCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
7.DE.75CamérolaiteCu6Al3(OH)18(H2O)2[Sb(OH)6](SO4)Tric. 1 : P1

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 MangazeiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
G. M. Gamyanin, Yu. Yu. Zhdanov, N. V. Zayakina, V. F. Gamyanina & V. S. Suknev (2006): Mangazeite, Al2(SO4)(OH)4•3H2O – a new mineral, Proceedings of the Russian Mineralogical Society 135(4), 20–24 (in Russian with English abstract).

Internet Links for MangazeiteHide

Localities for MangazeiteHide

ⓘ - 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.
Russia (TL)
 
  • Sakha Republic (Yakutia)
    • Verkhoyansk Fold Belt
      • Verkhoyansk Silver Province
        • Western Verkhoyansk District
          • Mangazeisky ore cluster
G. M. Gamyanin, Yu. Yu. Zhdanov, N. V. Zayakina, V. F. Gamyanina & V. S. Suknev (2006): Mangazeite, Al2(SO4)(OH)4•3H2O – a new mineral, Proceedings of the Russian Mineralogical Society 135(4), 20–24.
Mineral and/or Locality  
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