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Mrázekite

A valid IMA mineral species
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00488950014977641853409.jpg
Mrázekite, etc.

Bismuth vein, Brézouard Massif, Sainte-Marie-aux-Mines, Colmar-Ribeauvillé, Haut-Rhin, Grand Est, France
08245320014993948773831.jpg
Mrázekite

Podlipa deposit, Ľubietová, Banská Bystrica District, Banská Bystrica Region, Slovakia
08267640017075525211781.jpg
Mrázekite

Rainer mining field, Podlipa deposit, Ľubietová, Banská Bystrica District, Banská Bystrica Region, Slovakia
03364280014949326135348.jpg
Mrázekite, etc.

Bismuth vein, Brézouard Massif, Sainte-Marie-aux-Mines, Colmar-Ribeauvillé, Haut-Rhin, Grand Est, France
09882070014965713281162.jpg
Mrázekite

Podlipa deposit, Ľubietová, Banská Bystrica District, Banská Bystrica Region, Slovakia
09264890016044136683399.jpg
Mrázekite

Rainer mining field, Podlipa deposit, Ľubietová, Banská Bystrica District, Banská Bystrica Region, Slovakia
00488950014977641853409.jpg
Mrázekite, etc.

Bismuth vein, Brézouard Massif, Sainte-Marie-aux-Mines, Colmar-Ribeauvillé, Haut-Rhin, Grand Est, France
08245320014993948773831.jpg
Mrázekite

Podlipa deposit, Ľubietová, Banská Bystrica District, Banská Bystrica Region, Slovakia
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About MrázekiteHide

07791590015371339074236.jpg
Zdeněk Mrázek
Formula:
Bi2Cu3(PO4)2O2(OH)2 · H2O
Colour:
Cerulean blue
Lustre:
Vitreous
Hardness:
2 - 3
Specific Gravity:
4.90
Crystal System:
Monoclinic
Name:
Named by T. Rídkošil, V. Šrein, J. Fábry, J. Hybler, and B.A. Maximov in 1992 in honor of Zdeněk Mrázek (15 February 1952 - 15 April 1984), a Czech mineralogist who first collected the species and suspected it was new.
This page provides mineralogical data about Mrázekite.


Unique IdentifiersHide

Mindat ID:
2801
Long-form identifier:
mindat:1:1:2801:7
GUID
(UUID V4):
daf93c5a-ebb0-4e66-be23-80d205530e5d

IMA Classification of MrázekiteHide

IMA status:
Approved
IMA Formula:
Bi2Cu3(PO4)2O2(OH)2 · 2H2O
Approval year:
1990
First published:
1992
Type description reference:
Rídkošil, T., Šrein, V., Fábry, J., Hybler, J., Maximov, B.A. (1992) Mrázekite, Bi2Cu3(OH)2O2(PO4)2·2H2O. The Canadian Mineralogist: 30: 215-224.

Classification of MrázekiteHide

Strunz-mindat (2024):
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 ed.:
42.4.15.1

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
MrzIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of MrázekiteHide

Lustre:
Vitreous
Transparency:
Transparent, Translucent
Colour:
Cerulean blue
Streak:
light blue
Hardness:
2 - 3 on Mohs scale
Cleavage:
Distinct/Good
201
Density:
4.90(2) g/cm3 (Measured)    5.00 g/cm3 (Calculated)

Optical Data of MrázekiteHide

Type:
Biaxial (-)
RI values:
nα = 1.800 nβ = 1.860 - 1.870 nγ = 1.900
2V:
Measured: 66° to 68°
Max Birefringence:
δ = 0.100
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r < v strong
Pleochroism:
Weak
Comments:
in ink blue tints

Chemistry of MrázekiteHide

Mindat Formula:
Bi2Cu3(PO4)2O2(OH)2 · H2O
Elements listed:
Bi, Cu, H, O, P - search for minerals with similar chemistry

Crystallography of MrázekiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 9.065(1) Å, b = 6.340(1) Å, c = 5.410(3) Å
β = 101.57(1)°
Ratio:
a:b:c = 1.43 : 1 : 0.853
Unit Cell V:
304.61 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Acicular to slender bladed crystals. Wedge-like terminations, rosettes or spherules of radial acicular crystals, crusts.
Comment:
Space Group: P21/n.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
7.630 Å(100)
6.089 Å(42)
5.407 Å(56)
5.198 Å(46)
5.146 Å(49)
3.637 Å(35)
3.170 Å(35)
3.042 Å(87)
3.016 Å(77)
2.927 Å(76)
Comments:
Only peaks >30% of max. Data from Effenberger, et al. 1994.

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47c : [Carbonates, phosphates, borates, nitrates]
47d : [Arsenates, antimonates, selenates, bismuthinates]
Geological Setting:
Oxidized zone of polymetallic sulfide deposits.

Type Occurrence of MrázekiteHide

Type Locality:
ⓘ Podlipa deposit, Ľubietová, Banská Bystrica District, Banská Bystrica Region, Slovakia
General Appearance of Type Material:
Slender needles isolated or loosely grouped as small rosettes in a quartz matrix.
Place of Conservation of Type Material:
Charles University, Prague
Geological Setting of Type Material:
Oxidation zone of an ore deposit containing chalcopyrite, tetrahedrite, psuedomalachite, apatite and an unknown primary bismuth mineral.
Associated Minerals at Type Locality:
Quartz
Reference:
Rídkošil, T., Šrein, V., Fábry, J., Hybler, J., Maximov, B.A. (1992) Mrázekite, Bi2Cu3(OH)2O2(PO4)2·2H2O. The Canadian Mineralogist: 30: 215-224.

Synonyms of MrázekiteHide

Other Language Names for MrázekiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
11 photos of Mrázekite associated with EulytineBi4(SiO4)3
6 photos of Mrázekite associated with QuartzSiO2
6 photos of Mrázekite associated with ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
3 photos of Mrázekite associated with Bismutite(BiO)2CO3
2 photos of Mrázekite associated with MetatorberniteCu(UO2)2(PO4)2 · 8H2O
1 photo of Mrázekite associated with EmplectiteCuBiS2
1 photo of Mrázekite associated with TorberniteCu(UO2)2(PO4)2 · 12H2O
1 photo of Mrázekite associated with KintoreitePbFe3(PO4)(PO3OH)(OH)6
1 photo of Mrázekite associated with Goethiteα-Fe3+O(OH)
1 photo of Mrázekite associated with PseudomalachiteCu5(PO4)2(OH)4

Related Minerals - Strunz-mindat GroupingHide

8.DJ.05JohnwalkiteK(Mn2+,Fe2+,Fe3+)2(Nb5+,Ta5+)(PO4)2O2 · 2(H2O,OH)Orth. mm2
8.DJ.05OlmsteaditeKFe2+2(Nb5+,Ta5+)(PO4)2O2 · 2H2OOrth. mm2
8.DJ.10GatumbaiteCaAl2(PO4)2(OH)2 · H2OMon. 2/m : P2/m
8.DJ.15CamgasiteCaMg(AsO4)(OH) · 5H2OMon. 2/m : P21/m
8.DJ.20Phosphofibrite(H2O,K)3.5Fe8(PO4)6(OH)7 · 5H2OMon. 2/m
8.DJ.20Meurigite-KKFe3+8(PO4)6(OH)7 · 6.5H2OMon. 2/m : B2/b
8.DJ.20Meurigite-NaNaFe3+8(PO4)6(OH)7 · 6.5H2OMon. 2/m : B2/b
8.DJ.25JungiteCa2Zn4Fe3+8(PO4)9(OH)9 · 16H2OOrth.
8.DJ.30WycheproofiteNaAlZr(PO4)2(OH) · H2OTric. 1 : P1
8.DJ.35ErcititeNa2Mn3+2(PO4)2(OH)2 · 4H2OOrth. mmm (2/m 2/m 2/m) : Cmca
8.DJ.45AttikaiteCa3Cu2Al2(AsO4)4(OH)4 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pban
8.DJ.50MengeiteBa(Mg,Mn2+)Mn3+4(PO4)4(OH)4 · 4H2OTric. 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.

Internet Links for MrázekiteHide

References for MrázekiteHide

Localities for MrázekiteHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Australia
 
  • Victoria
    • Towong Shire
      • Dartmouth
        • Morass Creek gorge
Dunning et al. (1998) +1 other reference
Czech Republic
 
  • Karlovy Vary Region
    • Karlovy Vary District
      • Abertamy
P.Pauliš
Sejkora et al. (2021)
Lapis 2002 (7/8)
France
 
  • Grand Est
    • Haut-Rhin
      • Colmar-Ribeauvillé
        • Sainte-Marie-aux-Mines
Le cahier des micromnteurs +1 other reference
Paul De Bondt.
Germany
 
  • Bavaria
    • Upper Palatinate
      • Neustadt an der Waldnaab District
        • Waidhaus
          • Hagendorf
Confirmed by Uwe Kolitsch
  • Hesse
    • Darmstadt
      • Bergstraße
        • Lautertal (Odenwald)
          • Gadernheim
          • Reichenbach
            • Hohenstein
  • Thuringia
    • Saale-Orla District
      • Hirschberg
        • Ullersreuth
T. Witzke et al.: Lapis 2001 (12)
Portugal
 
  • Viseu
    • Sátão
      • Ferreira de Aves
        • Aldeia Nova
César Menor-Salván (2012)
Romania
 
  • Caraş-Severin County
    • Moldova Nouă
Slovakia (TL)
 
  • Banská Bystrica Region
    • Banská Bystrica District
      • Ľubietová
Řídkošil et al. (1992)
Řídkošil T. et al. (OH) +1 other reference
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