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Satimolite

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About SatimoliteHide

Formula:
KNa2(Al5Mg2)[B12O18(OH)12](OH)6Cl4·4H2O
Colour:
White to colorless
Lustre:
Vitreous, Dull
Hardness:
1 - 2
Crystal System:
Trigonal
Name:
Named after its discovery locality.
The formula was recently redefined to KNa2(Al5Mg2)[B12O18(OH)12](OH)6Cl4·4H2O.

Unique combination of elements.


Classification of SatimoliteHide

Approved
Notes:
Redefined by the IMA
Approval Year:
1967
Approval History:
IMA 2018: Formula modified (CNMNC Newsletter No. 47)
6.H0.15

6 : BORATES
H : Unclassified borates
0 :
26.7.4.1

26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous
10.1.17

10 : Borates with other anions
1 : Borates with halide

Physical Properties of SatimoliteHide

Vitreous, Dull
Transparency:
Transparent, Translucent
Comment:
Separate crystals are colourless and transparent, with strong vitreous lustre
Colour:
White to colorless
Hardness:
1 - 2 on Mohs scale

Optical Data of SatimoliteHide

Type:
Biaxial (-)
RI values:
nα = 1.535 nβ = 1.552 nγ = 1.553
2V:
Calculated: 26°
Max Birefringence:
δ = 0.018
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
r > v weak

Chemical Properties of SatimoliteHide

Formula:
KNa2(Al5Mg2)[B12O18(OH)12](OH)6Cl4·4H2O
IMA Formula:
KNa2Al4(B2O5)3Cl3 · 13H2O

Crystallography of SatimoliteHide

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3m
Setting:
R3m
Cell Parameters:
a = 15.1431(8) Å, c = 14.4558(14) Å
Ratio:
a:c = 1 : 0.955
Unit Cell V:
2870.8 ų
Z:
3
Morphology:
Blocky rhombohedral crstals, massive
Comment:
Redefinition, Pekov et al. (2018)

Occurrences of SatimoliteHide

Paragenetic Mode(s):
•  Evaporite

Type Occurrence of SatimoliteHide

Synonyms of SatimoliteHide

Other Language Names for SatimoliteHide

German:Satimolit
Spanish:Satimolita

Related Minerals - Nickel-Strunz GroupingHide

6.H0.10Braitschite-(Ce)(Ca,Na2)7(Ce,La)2B22O43 · 7H2OHex.
6.H0.20IquiqueiteK3Na4Mg(CrO4)B24O39(OH) · 12H2OHex.
6.H0.25WardsmithiteCa5Mg[B4O7]6 · 30H2OHex.
6.H0.35HalurgiteMg4[B8O13(OH)2]2·7H2OMon. 2/m : P2/b
6.H0.40EkateriniteCa2(B4O7)(Cl,OH)2 · 2H2OHex.
6.H0.45VitimiteCa6[B14O19](SO4)(OH)14 · 5H2OMon.
6.H0.50CanavesiteMg2(HBO3)(CO3) · 5H2OMon.
6.H0.55QilianshaniteNaHCO3 · H3BO3 · 2H2OMon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

10.1.1TeepleiteNa2[B(OH)4]ClTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
10.1.2BandyliteCu[B(OH)4]ClTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
10.1.3BerboriteBe2(BO3)(OH,F) · H2OTrig.
10.1.4FluoboriteMg3(BO3)(F,OH)3Hex.
10.1.5BoraciteMg3(B7O13)ClOrth. mm2 : Pca21
10.1.6KarliteMg7(BO3)3(OH,Cl)5Orth.
10.1.7ShabyniteMg5(BO3)(OH)5(Cl,OH)2 · 4H2OMon.
10.1.8/9/10HilgarditeCa2B5O9Cl · H2OTric. 1 : P1
10.1.11SolongoiteCa2(H3B3O7)(OH)ClMon.
10.1.12HydrochlorboriteCa4B8O15Cl2 · 21H2OMon.
10.1.13EkateriniteCa2(B4O7)(Cl,OH)2 · 2H2OHex.
10.1.14VolkovskiteKCa4[B5O8OH]4[B(OH)3]2Cl · 4H2OTric. 1 : P1
10.1.15ChelkariteCaMgB2O4(Cl,OH)2 · 5H2O Or near, with Cl:OH = 3:1Orth.
10.1.16JohachidoliteCaAlB3O7Orth. mmm (2/m 2/m 2/m) : Cmma
10.1.18ChambersiteMn2+3(B7O13)ClOrth. mm2 : Pca21
10.1.19Congolite(Fe2+,Mg)3(B7O13)ClTrig. 3m : R3c
10.1.20EricaiteFe2+3(B7O13)ClOrth.

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 SatimoliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1970): 55: 1069-1070.
Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).
Pekov, I.V., Zubkova, N.V., Ksenofontov, D.A., Chukanov, N.V., Yapaskurt, V.O., Korotchenkova, O.V., Chaikovskiy, I.I., Bocharov, V.M., Britvin, S.N., Pushcharovsky, D.Yu. (2018): Redefinition of satimolite. Mineralogical Magazine. 82: 1033-1047. https://doi.org/10.1180/minmag.2017.081.081

Internet Links for SatimoliteHide

Localities for SatimoliteHide

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.
Kazakhstan
 
  • Aktobe Region
    • Shalkar
      • Aksai Valley
Pekov, I.V., Zubkova, N.V., Ksenofontov, D.A., Chukanov, N.V. 2, Yapaskurt, V.O., Korotchenkova, O.V., Chaikovskiy, I.I., Bocharov, V.M., Britvin, S.N., and Pushcharovsky, D.Yu. (2017): Redefinition of satimolite. Mineralogical Magazine, ; Коротченкова, О. В., & Чайковский, И. И. (2016). БОРНЫЕ МИНЕРАЛЫ ЧЕЛКАРСКОГО МЕСТОРОЖДЕНИЯ. Проблемы минералогии, петрографии и металлогении. Научные чтения памяти ПН Чирвинского, (19), 55-65.
  • West Kazakhstan
    • Oral
Handbook of Mineralogy; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Pekov, I.V., Zubkova, N.V., Ksenofontov, D.A., Chukanov, N.V. 2, Yapaskurt, V.O., Korotchenkova, O.V., Chaikovskiy, I.I., Bocharov, V.M., Britvin, S.N., and Pushcharovsky, D.Yu. (2017): Redefinition of satimolite. Mineralogical Magazine,
 
Mineral and/or Locality  
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