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Saltonseaite

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Formula:
K3NaMnCl6
Colour:
Colorless
Lustre:
Vitreous
Hardness:
Specific Gravity:
2.26
Crystal System:
Trigonal
Member of:
Mn analogue of rinneite. At the type locality, 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.


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Classification of SaltonseaiteHide

Approved
Approval Year:
2012

Pronounciation of SaltonseaiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of SaltonseaiteHide

Vitreous
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:
2½ on Mohs scale
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)

Optical Data of SaltonseaiteHide

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 SaltonseaiteHide

Formula:
K3NaMnCl6
IMA Formula:
K3NaMnCl6

Crystallography of SaltonseaiteHide

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3c
Setting:
R3c
Cell Parameters:
a = 12.0966(5) Å, c = 13.9555(10) Å
Ratio:
a:c = 1 : 1.154
Unit Cell 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 DiffractionHide

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)

Type Occurrence of SaltonseaiteHide

General Appearance of Type Material:
lozenge-shaped and bladed crystals to about 10 cm that are composites of parallel-grown {012} rhombohedra.
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
Geological Setting of Type Material:
Saltonseaite is an evaporite mineral formed from solutions enriched in K, Na, Mn, and Cl. The solutions evidently emanated from a natural hot spring, related to the Salton Sea geothermal field.
Associated Minerals at Type Locality:

Synonyms of SaltonseaiteHide

Other Language Names for SaltonseaiteHide

Relationship of Saltonseaite to other SpeciesHide

Member of:
Other Members of this group:
ChlormanganokaliteK4[MnCl6]Trig.
RinneiteK3Na[FeCl6]Trig. 3m (3 2/m) : R3c

Common AssociatesHide

Associated Minerals Based on Photo Data:
Halite2 photos of Saltonseaite associated with Halite on mindat.org.
Sylvite2 photos of Saltonseaite associated with Sylvite on mindat.org.

Other InformationHide

Notes:
Has a astringent taste. Hygroscopic. Soluble in water at room temperature and crystallizes from solution above 52 °C.
Special Storage/
Display Requirements:
Markedly hygroscopic.
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 SaltonseaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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 SaltonseaiteHide

Localities for SaltonseaiteHide

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.
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.; Pekov, I. V., Zubkova, N. V., Britvin, S. N., Yapaskurt, V. O., Chukanov, N. V., Lykova, I. S., ... & Pushcharovsky, D. Y. (2015). New zinc and potassium chlorides from fumaroles of the Tolbachik volcano, Kamchatka, Russia: mineral data and crystal chemistry. III. Cryobostryxite, KZnCl3· 2H2O. European Journal of Mineralogy, 27(6), 805-812
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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