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Mrázekite

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Podlipa and Reinera Mines, Ľubietová (Libetbánya; Libethen) ore belt, Western Slovenské Rudohorie Mts, Banská Bystrica Region, Slovakia
© 2003 ROM

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Formula:
Bi
 
2
Cu
 
3
[O|OH|PO
 
4
]
 
2
 · H
 
2
O
System:MonoclinicColour:skye blue
Hardness:2 - 3
This page provides mineralogical data about Mrázekite.

Classification of Mrázekite

IMA status:Approved 1990
Strunz 8th edition ID:7/D.53-100
Nickel-Strunz 10th (pending) edition ID:8.DJ.40

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
J : With large and medium-sized cations, (OH, etc.):RO4 = 1:1
Dana 8th edition ID:42.4.15.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
4 : (AB)5(XO4)2Zq·xH2O
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Type Occurrence of Mrázekite

Type Locality:Podlipa and Reinera Mines, Ľubietová (Libetbánya; Libethen) ore belt, Western Slovenské Rudohorie Mts, Banská Bystrica Region, Slovakia

Physical Properties of Mrázekite

Lustre:Vitreous
Colour:skye blue
Streak:light blue
Hardness (Mohs):2 - 3
Cleavage:Distinct/Good

Crystallography of Mrázekite

Crystal System:Monoclinic

Optical Data of Mrázekite

Type:Biaxial (-)
RI values: nα = 1.800 nβ = 1.860 - 1.870 nγ = 1.900
Maximum Birefringence:δ = 0.100

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:r > v medium

Chemical Properties of Mrázekite

Formula:
Bi
 
2
Cu
 
3
[O|OH|PO
 
4
]
 
2
 · H
 
2
O
Essential elements:Bi, Cu, H, O, P
All elements listed in formula:Bi, Cu, H, O, P

Relationship of Mrázekite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.DJ.05Johnwalkite
K(Mn
2+
 
,Fe
2+
 
,Fe
3+
 
)
 
2
(Nb
5+
 
,Ta
5+
 
)[O|PO
 
4
]
 
2
 · 2(H
 
2
O,OH)
8.DJ.05Olmsteadite
KFe
2+
2
(Nb
5+
 
,Ta
5+
 
)[O|PO
 
4
]
 
2
 · 2H
 
2
O
8.DJ.10Gatumbaite
CaAl
 
2
[OH|PO
 
4
]
 
2
 · H
 
2
O
8.DJ.15Camgasite
CaMg[OH|AsO
 
4
] · 5H
 
2
O
8.DJ.20Phosphofibrite
KCuFe
3+
15
(PO
 
4
]
 
12
(OH)
 
12
 · 12H
 
2
O ?
8.DJ.20Meurigite-K
[K(H
 
2
O)
 
2.5
][Fe
3+
8
(PO
 
4
)
 
6
(OH)
 
7
(H
 
2
O)
 
4
]
8.DJ.20IMA 2007-024
[Na(H
 
2
O)
 
2.5
][Fe
3+
8
(PO
 
4
)
 
6
(OH)
 
7
(H
 
2
O)
 
4
]
8.DJ.25Jungite
Ca
 
2
Zn
 
4
Fe
3+
8
[OH|PO
 
4
]
 
9
 · 16H
 
2
O
8.DJ.30Wycheproofite
NaAlZr[OH|PO
 
4
]
 
2
 · H
 
2
O
8.DJ.35Ercitite
NaMn
3+
 
(PO
 
4
)(OH)·2H
 
2
O
8.DJ.45Attikaite
Ca
 
3
Cu
 
2
Al
 
2
[AsO
 
4
]
 
4
(OH)
 
4
 · 2H
 
2
O

Other Names for Mrázekite

Synonyms:
IMA1990-045
Other Languages:
German:Mrázekit
Russian:Мразекит
Spanish:Mrázekita

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 Mrázekite

Reference List:New Minerals (1997), New Minerals 1990-1994.

Canadian Mineralogist (1992): 215-224.

Canadian Mineralogist (1994): 32: 365-372.

Articles/Blogs about Mrázekite

Internet Links for Mrázekite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Mrázekite in the Natural History Museum (London) online catalogue
  • Mrázekite details from Handbook of Mineralogy (PDF)
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    Localities for Mrázekite

    (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.
    Australia
     
    • Victoria
      • Benambra
    		Mineralogical Record: 29: 164.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Ostrov
    		Lapis 2002(7/8), 63-65
    France
     
    • Alsace
      • Haut-Rhin
        • Ste Marie-aux-Mines (Markirch)
    		Le cahier des micromnteurs, 1998, 1, pp 27-28; Chiappero, P.-J., Forner, H., Lefevre, M., Meisser, N., and Moreau, F. (1995): Mrazekit aus Brézouard, Dépt. Bas-Rhin. Lapis, 20, 21 (in German).
    Germany
     
    • Hesse
      • Odenwald
        • Bensheim
          • Gadernheim
    		No reference listed
          • Reichenbach
            • Hohenstein
    		No reference listed
    No reference listed
    • Thuringia
      • Vogtland
        • Hirschberg
          • Ullersreuth
    		T. Witzke et al.: Lapis 2001(12), 13-27
    Romania
     
    • Caras-Severin Co.
    		No reference listed
    Slovakia
     
    • Banská Bystrica Region
      • Western Slovenské Rudohorie Mts
        • Ľubietová (Libetbánya; Libethen) ore belt
    		Řidkošil T., et all.,1992: Mrazekite, a new mineral species and its crystal structure. Can.Miner., Ottawa, 30, 215-224
    Mineral and/or Locality
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