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Zincalstibite

Formula:
Zn
 
2
Al[(OH)
 
6
|Sb
5+
 
(OH)
 
6
]
System:TrigonalColour:Colourless
Name:Zinc analogue of cualstibite and named for chemical composition (Zn, Al, Sb).


The zinc analogue of cualstibite and structurally closely related to it.

Classification of Zincalstibite

IMA status:Approved 1998
Strunz 8th edition ID:4/F.12-15
Strunz 9th edition ID:4.F0.
Nickel-Strunz 10th (pending) edition ID:4.FB.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
B : Hydroxides with OH, without H2O; insular octahedra
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Type Occurrence of Zincalstibite

Type Locality:Fantiscritti quarry, Carrara, Apuan Alps, Massa-Carrara Province, Tuscany, Italy
General Appearance of Type Material:Tiny colourless trigonal prisms.
Geological Setting of type material:Marble quarry.

Physical Properties of Zincalstibite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Colourless
Streak:White

Crystallography of Zincalstibite

Crystal System:Trigonal
Class (H-M):3 - Rhombohedral
Space Group:P3
Cell Parameters:a = 5.327(8) Å, c = 9.792(2) Å
Ratio:a:c = 1 : 1.838
Unit Cell Volume:V 240.64 ų
Z:1
Morphology:Trigonal prisms.
Twinning:Twin axis [210].
Comment:Structure solved from twinned crystal.
X-Ray Powder Diffraction:
d-spacingIntensity
4.904 (100)
4.620 (35)
4.179 (57)
2.669 (31)
2.343 (88)

Optical Data of Zincalstibite

Type:Uniaxial

Chemical Properties of Zincalstibite

Formula:
Zn
 
2
Al[(OH)
 
6
|Sb
5+
 
(OH)
 
6
]
Essential elements:Al, H, O, Sb, Zn
All elements listed in formula:Al, H, O, Sb, Zn

Relationship of Zincalstibite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.FB.05Shakhovite
Hg
 
4
SbO
 
3
(OH)
 
3
4.FB.10Cualstibite
Cu
 
2
Al[(OH)
 
6
|Sb
5+
 
(OH)
 
6
]

Other Names for Zincalstibite

Synonyms:
IMA1998-033
Other Languages:
German:Zincalstibit
Spanish:Zincalstibita

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 Zincalstibite

Reference List:Orlandi, P. (2004): Rivista Mineralogica Italiana, 1/2004, 24-27.

Bonaccorsi, E., Merlino, S. and Orlandi, P. (2007): Zincalstibite, a new mineral, and cualstibite: Crystal chemical and structural relationships. American Mineralogist, 92, 198-203.

Internet Links for Zincalstibite

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    Localities for Zincalstibite

    (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.
    Italy
     
    • Tuscany
      • Massa-Carrara Province
        • Apuan Alps
          • Carrara
    		Bonaccorsi, E., Merlino, S., Orlandi, P. (2007): Zincalstibite, a new mineral, and cualstibite: crystal chemical and structural relationships. American Mineralogist, 92, 198-203.
    Mineral and/or Locality
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