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Saltonseaite

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Formula:
K3NaMnCl6
System:
Trigonal
Colour:
Colorless
Hardness:
Member of:
Mn analogue of rinneite. At the typelocality, Salton Sea, Imperial County, California, U.S.A., it has been formed as the result of the evaporation of geothermal (hydrothermal) brines enriched in K, Na, Mn, and Cl.

Classification of Saltonseaite

Approved 2012
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Type Occurrence of Saltonseaite

Place of Conservation of Type Material:
Natural History Museum of Los Angeles County, Los Angeles, California, USA, catalogue number 23604

Museum Victoria, Melbourne, Australia, catalogue number M51615
Associated Minerals at Type Locality:

Physical Properties of Saltonseaite

Vitreous
Diaphaneity (Transparency):
Transparent
Comment:
Vitreous to oily, the latter being due to deliquescence
Colour:
Colorless
Comment:
Appear light orange due to inclusions of akaganéite
Streak:
White
Hardness (Mohs):
Tenacity:
Brittle
Cleavage:
Distinct/Good
One very good cleavage on {110}.
Fracture:
Irregular/Uneven
Density:
2.26(1) g/cm3 (Measured)    2.297 g/cm3 (Calculated)

Crystallography of Saltonseaite

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3c
Space Group Setting:
R3c
Cell Parameters:
a = 12.0966(5) Å, c = 13.9555(10) Å
Ratio:
a:c = 1 : 1.154
Unit Cell Volume:
V 1768.48 ų
Z:
6
Morphology:
Lozenge-shaped and bladed crystals to about 10 cm that are composites of parallel-grown {012} rhombohedra.
X-Ray Powder Diffraction Data:
d-spacingIntensity
5.831 (61)
3.498 (25)
2.851 (68)
2.689 (32)
2.625 (62)
2.542 (100)
1.983 (32)
1.384 (22)

Optical Data of Saltonseaite

Type:
Uniaxial (+)
RI values:
nω = 1.577() nε = 1.578(1)
Max Birefringence:
δ = 0.001
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Low
Pleochroism:
Non-pleochroic

Chemical Properties of Saltonseaite

Formula:
K3NaMnCl6
Essential elements:
All elements listed in formula:
Analytical Data:
Average of 5 energy-dispersive spectroscopic analyses. The empirical formula is based on 6 Cl atoms.
K (28.79)
Na (5.35)
Mn (13.48)
Fe (0.24)
Cl (52.19)
total 100.05 wt%.
Empirical Formula:
K3.00Na0.95Mn2+1.00Fe2+0.02Cl6

Relationship of Saltonseaite to other Species

Member of:
Other Members of Group:
ChlormanganokaliteK4[MnCl6]
RinneiteK3Na[FeCl6]

Other Names for Saltonseaite

Name in Other Languages:

Other Information

Other Information:
Has a astringent taste. Hygroscopic. Soluble in water at room temperature and crystallizes from solution above 52 °C.
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 Saltonseaite

Reference List:
Kampf, A.R., Mills, S.J., Nestola, F., Kasatkin, A. (2012) Saltonseaite, IMA 2011-104. CNMNC Newsletter No. 13, June 2012, page 809; Mineralogical Magazine, 76, 807-817.

Kampf, A.R., Mills, S.J., Nestola, F., Ciriotti, M.E., Kasatkin, A.V. (2013): Saltonseaite, K3NaMn2+Cl6, the Mn analogue of rinneite from the Salton Sea, California. American Mineralogist, 98, 231-235.

Internet Links for Saltonseaite

Localities for Saltonseaite

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.
Russia
 
  • Far-Eastern Region
    • Kamchatka Oblast'
      • Tolbachik volcano
        • Great Fissure eruption (Main Fracture)
          • Northern Breakthrough (North Breach)
            • First scoria cone (First cinder cone)
Pekov, I.V., Zubkova, N.V., Yapaskurt, V.O., Britvin, S.N., Vigasina, M.F., Sidorov, E.G., Pushcharovsky, D.Y. (2015): New zinc and potassium chlorides from fumaroles of the Tolbachik volcano, Kamchatka, Russia: mineral data and crystal chemistry. II. Flinteite, K2ZnCl4. European Journal of Mineralogy, 27, 581-588.
USA (TL)
 
  • California
    • Imperial Co.
Kampf, A.R., Mills, S.J., Nestola, F., Kasatkin, A. (2012) Saltonseaite, IMA 2011-104. CNMNC Newsletter No. 13, June 2012, page 809; Mineralogical Magazine, 76, 807-817. ; Kampf, A.R., Mills, S.J., Nestola, F., Ciriotti, M.E., Kasatkin, A.V. (2013): Saltonseaite, K3NaMn2+Cl6, the Mn analogue of rinneite from the Salton Sea, California. American Mineralogist, 98, 231-235.
Mineral and/or Locality  
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