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Mangazeite

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Big Photo

Mangazeiskoe Sn-Ag deposit, Mangazeisky ore cluster, Western Verkhoyansk District, Verkhoyansk Silver Province, Verkhoyansk Fold Belt, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia
© Pavel M. Kartashov

Show Mangazeite Photos (2)



Formula:
Al
 
2
(SO
 
4
)(OH)
 
4
 · 3H
 
2
O
System:TriclinicColour:White
Hardness:1 - 2
Member of:Aluminite Group
Name:For the type locality.


Aluminite Group.

Classification of Mangazeite

IMA status:Approved 2005
Strunz 8th edition ID:6/D.06-25
Nickel-Strunz 10th (pending) edition ID: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
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Type Occurrence of Mangazeite

Type Locality:Mangazeiskoe Sn-Ag deposit, Mangazeisky ore cluster, Western Verkhoyansk District, Verkhoyansk Silver Province, Verkhoyansk Fold Belt, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia
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:
GypsumChlorite Group

Physical Properties of Mangazeite

Lustre:Vitreous
Colour:White
Streak:White
Hardness (Mohs):1 - 2
Density (calculated):2.15 g/cm3

Crystallography of Mangazeite

Crystal System:Triclinic
Cell Parameters:a = 8.286Å, b = 9.385Å, c = 11.35Å
α = 96.1°, β = 98.9°, γ = 96.6°
Ratio:a:b:c = 0.883 : 1 : 1.209
Unit Cell Volume:V 859.27 ų (Calculated from Unit Cell)
Z:4
X-Ray Powder Diffraction:
d-spacingIntensity
4.258 (100)
7.59 (49)
7.16 (46)
3.912 (43)
8.14 (19)

Optical Data of Mangazeite

Type:Biaxial
RI values: nα = 1.525 nγ = 1.545
Maximum Birefringence:δ = 0.020

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate

Chemical Properties of Mangazeite

Formula:
Al
 
2
(SO
 
4
)(OH)
 
4
 · 3H
 
2
O
Essential elements:Al, H, O, S
All elements listed in formula:Al, H, O, S
Analytical Data:Results from wet chemical analysis
Al2O3 (36.28)
SO3 (28.81)
H2O+ (34.35)
H2O- (9.27)

sum: 99.44 wt.-%

Relationship of Mangazeite to other Species

Member of:Aluminite Group
Other Members of Group:

- +
Aluminite
Al
 
2
(SO
 
4
)(OH)
 
4
 · 7H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
7.DE.10Carbonatecyanotrichite
Cu
 
4
Al
 
2
(CO
 
3
,SO
 
4
)(OH)
 
12
 · 2H
 
2
O
7.DE.10Cyanotrichite
Cu
 
4
Al
 
2
(SO
 
4
)(OH)
 
12
 · 2H
 
2
O
7.DE.10UKI-1975-(SO:AlCu)
(Cu, Al, SO
 
4
, H
 
2
O)
7.DE.15Schwertmannite
Fe
3+
16
(OH,SO
 
4
)
 
12-13
O
 
16
 · 10-12H
 
2
O
7.DE.20Tlalocite
Cu
 
10
Zn
 
6
(Te
6+
 
O
 
4
)
 
2
(Te
4+
 
O
 
3
)(OH)
 
25
Cl · 27H
 
2
O
7.DE.25Utahite
Cu
 
5
Zn
 
3
(TeO
 
4
)
 
4
(OH)
 
8
 · 7H
 
2
O
7.DE.35Coquandite
(SbO)
 
6
(SO
 
4
)O
 
2
 · H
 
2
O
7.DE.40Osakaite
Zn
 
4
(SO
 
4
)(OH)
 
6
 · 5H
 
2
O
7.DE.45Wilcoxite
MgAl(SO
 
4
)
 
2
F · 18H
 
2
O
7.DE.50Stanleyite
(V
4+
 
O)(SO
 
4
) · 6H
 
2
O
7.DE.55Mcalpineite
Cu
 
3
(Te
6+
 
O
 
6
) · H
 
2
O
7.DE.60Hydrobasaluminite
Al
 
4
(SO
 
4
)(OH)
 
10
 · 12-36H
 
2
O
7.DE.62Volaschioite
Fe
 
4
(SO
 
4
)O
 
2
(OH)
 
6
 · 2H
 
2
O
7.DE.65Zaherite
Al
 
12
(SO
 
4
)
 
5
(OH)
 
26
 · 20H
 
2
O
7.DE.70Lautenthalite
PbCu
 
4
(SO
 
4
)
 
2
(OH)
 
6
 · 3H
 
2
O
7.DE.75Camerolaite
Cu
 
4
Al
 
2
(HSbO
 
4
,SO
 
4
)(CO
 
3
)(OH)
 
10
 · 2H
 
2
O

Other Names for Mangazeite

Synonyms:
IMA2005-021a
Other Languages:

Other Information

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

References for Mangazeite

Reference List:

- +
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 Mangazeite

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    • Localities for Mangazeite

    Hide Locality List
    (TL) indicates type locality. ? 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.
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (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.
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