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Manganoblödite

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About ManganoblöditeHide

Formula:
Na2Mn(SO4)2·4H2O
Colour:
reddish-pink in aggregates
Lustre:
Vitreous
Hardness:
Specific Gravity:
2.29
Crystal System:
Monoclinic
Member of:
Name:
For the relation to blödite and its manganese content.
The Mn analogue of blödite, cobaltoblödite, nickelblödite, and changoite. Chemically somewhat similar to D'Ansite-(Mn).


Classification of ManganoblöditeHide

Approved
Approval Year:
2012
7.00.

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
0 :
0 :

Physical Properties of ManganoblöditeHide

Vitreous
Transparency:
Transparent
Colour:
reddish-pink in aggregates
Streak:
white
Hardness:
2½ on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Parting:
none
Fracture:
Irregular/Uneven
Density:
2.29(2) g/cm3 (Measured)    2.347 g/cm3 (Calculated)

Optical Data of ManganoblöditeHide

Type:
Biaxial (-)
RI values:
nα = 1.493(2) nβ = 1.498(2) nγ = 1.501(2)
Max Birefringence:
δ = 0.008
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of ManganoblöditeHide

Formula:
Na2Mn(SO4)2·4H2O
IMA Formula:
Na2Mn(SO4)2 · 4H2O

Crystallography of ManganoblöditeHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/a
Cell Parameters:
a = 11.137(2) Å, b = 8.279(1) Å, c = 5.5381(9) Å
β = 100.42(1)°
Ratio:
a:b:c = 1.345 : 1 : 0.669
Unit Cell V:
502.21 ų (Calculated from Unit Cell)
Z:
2

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.556(70)
4.266(45)
3.791(26)
3.338(21)
3.291(100)
3.256(67)
2.968(22)
2.647(24)

Type Occurrence of ManganoblöditeHide

General Appearance of Type Material:
aggregates of anhedral grains up to 60 μm forming thin crusts covering areas up to 2×2 cm on the surface of other sulfates
Place of Conservation of Type Material:
Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia, registration number 4257/1
Geological Setting of Type Material:
Oxidation zone of uranium deposit
Associated Minerals at Type Locality:

Synonyms of ManganoblöditeHide

Relationship of Manganoblödite to other SpeciesHide

Member of:
Other Members of this group:
BlöditeNa2Mg(SO4)2 · 4H2OMon. 2/m
ChangoiteNa2Zn(SO4)2 · 4H2OMon. 2/m : P21/b
CobaltoblöditeNa2Co(SO4)2•4H2OMon. 2/m : P21/b
NickelblöditeNa2(Ni,Mg)(SO4)2 · 4H2O

Common AssociatesHide

Associated Minerals Based on Photo Data:
Cobaltoblödite1 photo of Manganoblödite associated with Cobaltoblödite on mindat.org.

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 ManganoblöditeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Nestola, F., Kasatkin, A.V., Plášil, J., Marty, J., Belakovskiy, D.I., Agakhanov, A.A., Pedron D., Mills, S.J. (2012) Manganoblödite, IMA 2012-029. CNMNC Newsletter No. 14, October 2012, page 1284; Mineralogical Magazine: 76: 1281-1288.
Kasatkin, A.V., Nestola, F., Plášil, J., Marty, J., Belakovskiy, D.I., Agakhanov, A.A., Mills, S.J., Pedron, D., Lanza, A., Favaro, M., Bianchin, S., Lykova, I.S., Goliáš, V., Birch, W.D. (2013) Manganoblödite, Na2Mn(SO4)2•4H2O, and cobaltoblödite, Na2Co(S4O)2•4H2O: two new members of the blödite group from the Blue Lizard mine, San Juan County, Utah, USA. Mineralogical Magazine: 77: 367-383.
Marinova, D.M., Zhecheva, E.N., Kukeva, R.R., Markov, P.V., Nihtianova, D.D., Stoyanova, R.K. (2017) Mixed sodium nickel-manganese sulfates: Crystal structure relationships between hydrates and anhydrous salts. Journal of Solid State Chemistry: 250: 49-59.

Internet Links for ManganoblöditeHide

Localities for ManganoblöditeHide

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 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.
Australia
 
  • Victoria
    • Towong Shire
      • Thologolong
W.D.Birch (2013), A suite of hydrated manganese sulfates from the Womobi mine, northern Victoria, Australia. Australian Journal of Mineralogy, 17/1.; A suite of hydrated manganese sulfates from the Womobi mine, northern Victoria, Australia. W.D.Birch, 2013, Australian Journal of Mineralogy, 17/1.
USA (TL)
 
  • Utah
    • San Juan Co.
      • White Canyon District
        • Red Canyon
Nestola, F., Kasatkin, A.V., Plášil, J., Marty, J., Belakovskiy, D.I., Agakhanov, A.A., Pedron D. and Mills, S.J. (2012): Manganoblödite, IMA 2012-029. CNMNC Newsletter No. 14, October 2012, page 1284; Mineralogical Magazine, 76, 1281-1288
Mineral and/or Locality  
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