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Chvaleticeite

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Formula:
(Mn,Mg)SO4 · 6H2O
System:
Monoclinic
Colour:
white, pinkish, ...
Hardness:
Name:
From locality
Hexahydrite Group.
Chvaleticeite forms by dehydration of Mg-mallardite

Classification of Chvaleticeite

Approved
7.CB.25

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
B : With only medium-sized cations
29.6.8.6

29 : HYDRATED ACID AND NORMAL SULFATES
6 : AXO4·xH2O
25.9.5

25 : Sulphates
9 : Sulphates of Mn
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Type Occurrence of Chvaleticeite

General Appearance of Type Material:
fine grained aggregates
Place of Conservation of Type Material:
Geological Survey in Prague, Czechoslovakia.
Geological Setting of Type Material:
sulfate-rich paragenesis within the oxidation zone of an upper Proterozoic volcano-sedimentary deposit of pyrite-manganese ores
Associated Minerals at Type Locality:

Physical Properties of Chvaleticeite

Vitreous
Diaphaneity (Transparency):
Translucent
Colour:
white, pinkish, yellowish-green
Hardness (Mohs):
Density:
1.84 g/cm3 (Measured)    1.84 g/cm3 (Calculated)

Crystallography of Chvaleticeite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Space Group Setting:
C2/c
Cell Parameters:
a = 10.05Å, b = 7.24Å, c = 24.31Å
β = 98°
Ratio:
a:b:c = 1.388 : 1 : 3.358
Unit Cell Volume:
V 1,751.63 ų (Calculated from Unit Cell)
Comment:
unit-cell parameters were. calculated by analogy with hexahydrite

Optical Data of Chvaleticeite

Type:
Biaxial
RI values:
nα = 1.457 nγ = 1.506
Max Birefringence:
δ = 0.049
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
none
Comments:
Fine grained

Chemical Properties of Chvaleticeite

Formula:
(Mn,Mg)SO4 · 6H2O
All elements listed in formula:

Relationship of Chvaleticeite to other Species

Structurally related to group(s):
Hexahydrite GroupMSO4 · 6H2O
7.CB.05Dwornikite(Ni,Fe)SO4 · H2O
7.CB.05GunningiteZnSO4 · H2O
7.CB.05KieseriteMgSO4 · H2O
7.CB.05Poitevinite(Cu,Fe,Zn)SO4 · H2O
7.CB.05SzmikiteMnSO4 · H2O
7.CB.05SzomolnokiteFeSO4 · H2O
7.CB.05CobaltkieseriteCoSO4 · H2O
7.CB.07SanderiteMgSO4 · 2H2O
7.CB.10BonattiteCuSO4 · 3H2O
7.CB.15Aplowite(Co,Mn,Ni)SO4 · 4H2O
7.CB.15Boyleite(Zn,Mg)SO4 · 4H2O
7.CB.15Ilesite(Mn,Zn,Fe)SO4 · 4H2O
7.CB.15RozeniteFeSO4 · 4H2O
7.CB.15StarkeyiteMgSO4 · 4H2O
7.CB.15DrobeciteCdSO4 · 4H2O
7.CB.15CranswickiteMgSO4 · 4H2O
7.CB.20ChalcanthiteCuSO4 · 5H2O
7.CB.20JôkokuiteMnSO4 · 5H2O
7.CB.20PentahydriteMgSO4 · 5H2O
7.CB.20SiderotilFeSO4 · 5H2O
7.CB.25Bianchite(Zn,Fe)SO4 · 6H2O
7.CB.25FerrohexahydriteFeSO4 · 6H2O
7.CB.25HexahydriteMgSO4 · 6H2O
7.CB.25Moorhouseite(Co,Ni,Mn)SO4 · 6H2O
7.CB.25Nickelhexahydrite(Ni,Mg,Fe)SO4 · 6H2O
7.CB.30RetgersiteNiSO4 · 6H2O
7.CB.35BieberiteCoSO4 · 7H2O
7.CB.35BoothiteCuSO4 · 7H2O
7.CB.35MallarditeMnSO4 · 7H2O
7.CB.35MelanteriteFeSO4 · 7H2O
7.CB.35Zincmelanterite(Zn,Cu,Fe)SO4 · 7H2O
7.CB.35Alpersite(Mg,Cu)[SO4] · 7H2O
7.CB.40EpsomiteMgSO4 · 7H2O
7.CB.40GoslariteZnSO4 · 7H2O
7.CB.40MorenositeNiSO4 · 7H2O
7.CB.45AlunogenAl2(SO4)3 · 17H2O
7.CB.45Meta-alunogenAl2(SO4)3 · 12H2O
7.CB.50AluminocoquimbiteFeAl(SO4)3 · 9H2O
7.CB.55CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5
7.CB.55ParacoquimbiteFe2(SO4)3 · 9H2O
7.CB.55Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2O
7.CB.60KorneliteFe2(SO4)3 · 7H2O
7.CB.65QuenstedtiteFe2(SO4)3 · 11H2O
7.CB.70LauseniteFe2(SO4)3·5H2O
7.CB.75LishizheniteZnFe2(SO4)4 · 14H2O
7.CB.75RömeriteFe2+Fe23+(SO4)4 · 14H2O
7.CB.80RansomiteCuFe2(SO4)4 · 6H2O
7.CB.85ApjohniteMn2+Al2(SO4)4 · 22H2O
7.CB.85BíliniteFe2+Fe23+(SO4)4 · 22H2O
7.CB.85Dietrichite(Zn,Fe2+,Mn2+)Al2(SO4)4 · 22H2O
7.CB.85HalotrichiteFeAl2(SO4)4 · 22H2O
7.CB.85PickeringiteMgAl2(SO4)4 · 22H2O
7.CB.85Redingtonite(Fe2+,Mg,Ni)(Cr,Al)2(SO4)4·22H2O
7.CB.85Wupatkiite(Co,Mg,Ni)Al2(SO4)4·22H2O
7.CB.90MeridianiiteMgSO4 · 11H2O
25.9.1SzmikiteMnSO4 · H2O
25.9.2JôkokuiteMnSO4 · 5H2O
25.9.3MallarditeMnSO4 · 7H2O
25.9.4ManganolangbeiniteK2Mn2(SO4)3
25.9.6DespujolsiteCa3Mn4+(SO4)2(OH)6 · 3H2O
25.9.7ApjohniteMn2+Al2(SO4)4 · 22H2O
25.9.8ShigaiteMn6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O
25.9.9Ilesite(Mn,Zn,Fe)SO4 · 4H2O
25.9.10MooreiteMg92Mn2Zn4(SO4)2(OH)26 · 8H2O
25.9.11Torreyite(Mg,Mn2+)72Mn22+Zn4(SO4)2(OH)22 · 8H2O
25.9.12Lawsonbauerite(Mn2+,Mg)9Zn4(SO4)2(OH)22 · 8H2O
25.9.13Dietrichite(Zn,Fe2+,Mn2+)Al2(SO4)4 · 22H2O

Other Names for Chvaleticeite

Name in Other Languages:

Other Information

Special Storage/
Display Requirements:
Soluble in water
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 Chvaleticeite

Reference List:
Pasava J, Breiter K, Huka M, Korecký J (1986) Chvaleticeite, (Mn,Mg)SO4·6H2O, a new mineral. Neues Jahrbuch für Mineralogie, Monatshefte 1986, 121-125

American Mineralogist: 72: 1023.

Internet Links for Chvaleticeite

Localities for Chvaleticeite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Karlovy Vary Region
      • Krušné Hory Mts (Erzgebirge)
        • Jáchymov District (St Joachimsthal)
Lapis 2002(7/8), 63-65
    • Pardubice Region
Neues Jahrb.Min.,Mh.(1986) 121-125
Poland
 
  • Małopolskie
    • Olkusz District
      • Olkusz
Cabała, J., & Bzowska, G. (2008). Sulphate speleothems in Pomorzany Zn–Pb ore mine, southern Poland. Kras i speleologia, 12(21), 59-76.
Mineral and/or Locality  
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