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Manaksite

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About ManaksiteHide

Formula:
KNaMnSi4O10
Colour:
Colourless, cream, light rose
Hardness:
5
Crystal System:
Triclinic
Name:
Named for its chemical composition (Mn, Na, K, Si).
The manganese analogue of fenaksite.


Classification of ManaksiteHide

Approved
9.DG.70

9 : SILICATES (Germanates)
D : Inosilicates
G : Inosilicates with 3-periodic single and multiple chains
70.1.1.3

70 : INOSILICATES Column or Tube Structures
1 : Column or Tube Structures with columnar silicate units

Physical Properties of ManaksiteHide

Colour:
Colourless, cream, light rose
Hardness:

Optical Data of ManaksiteHide

Type:
Biaxial (-)
RI values:
nα = 1.540 nβ = 1.551 nγ = 1.557
Max Birefringence:
δ = 0.017
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
weak

Chemical Properties of ManaksiteHide

Formula:
KNaMnSi4O10
IMA Formula:
KNaMn2+Si4O10
Common Impurities:
Sr,Ca,Mg,Fe

Crystallography of ManaksiteHide

Crystal System:
Triclinic
Cell Parameters:
a = 6.99 Å, b = 8.21 Å, c = 10 Å
α = 105.11°, β = 100.76°, γ = 114.79°
Ratio:
a:b:c = 0.851 : 1 : 1.218
Unit Cell V:
473.43 ų (Calculated from Unit Cell)

Type Occurrence of ManaksiteHide

Other Language Names for ManaksiteHide

German:Manaksit
Spanish:Manaksita

Relationship of Manaksite to other SpeciesHide

Other Members of this group:
CalcinaksiteKNaCa(Si4O10)·H2OTric. 1 : P1
Fenaksite(K,Na)4(Fe,Mn)2(Si4O10)2(OH,F)Tric.
LitidioniteCuNaKSi4O10Tric.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Ussingite4 photos of Manaksite associated with Ussingite on mindat.org.
Zakharovite3 photos of Manaksite associated with Zakharovite on mindat.org.
Microcline2 photos of Manaksite associated with Microcline on mindat.org.
Steenstrupine-(Ce)2 photos of Manaksite associated with Steenstrupine-(Ce) on mindat.org.
Villiaumite2 photos of Manaksite associated with Villiaumite on mindat.org.
Natrosilite2 photos of Manaksite associated with Natrosilite on mindat.org.
Sphalerite2 photos of Manaksite associated with Sphalerite on mindat.org.
Revdite1 photo of Manaksite associated with Revdite on mindat.org.
Cleiophane1 photo of Manaksite associated with Cleiophane on mindat.org.
Nordite-(Ce)1 photo of Manaksite associated with Nordite-(Ce) on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.DG.05BustamiteCaMn2+(Si2O6)Tric. 1 : P1
9.DG.05FerrobustamiteCaFe2+(Si2O6)Tric.
9.DG.05PectoliteNaCa2Si3O8(OH)Tric. 1 : P1
9.DG.05SeranditeNaMn2+2Si3O8(OH)Tric. 1 : P1
9.DG.05WollastoniteCaSiO3Tric. 1 : P1
9.DG.05Wollastonite-1ACaSiO3Tric.
9.DG.07CascanditeCa(Sc,Fe3+)(HSi3O9)Tric. 1
9.DG.08Plombièrite[Ca4Si6O16(OH)2 · 2H2O]·(Ca·5H2O)Orth.
9.DG.10Clinotobermorite[Ca4Si6O17 · 2H2O]·(Ca·3H2O)Mon.
9.DG.10RiversideiteCa5(HSi3O9)2 · 2H2OOrth.
9.DG.10Tobermorite[Ca4Si6O17 · 2H2O]·(Ca·3H2O)Orth.
9.DG.15FoshagiteCa4(Si3O9)(OH)2Tric.
9.DG.20JenniteCa9(Si3O9)2(OH)8 · 8H2OTric.
9.DG.25ParaumbiteK3Zr2H(Si3O9)2 · nH2OOrth.
9.DG.25UmbiteK2(Zr,Ti)Si3O9 · H2OOrth.
9.DG.30SørenseniteNa4SnBe2Si6O16(OH)4Mon. 2/m : B2/b
9.DG.35XonotliteCa6(Si6O17)(OH)2Mon. 2/m
9.DG.40HillebranditeCa2(SiO3)(OH)2Orth. mmm (2/m 2/m 2/m) : Cmcm
9.DG.45ZoriteNa8(Ti,Nb)5(Si6O17)2(OH,O)5 · 14H2OOrth.
9.DG.45ChivruaiiteCa4(Ti,Nb)5(Si6O17)2(OH,O)5 · 13-14H2OOrth. mmm (2/m 2/m 2/m) : Cmmm
9.DG.50Haineaultite(Na,Ca)5Ca(Ti,Nb)5(Si6O17)2(OH,F)8 · 5H2OOrth. 2 2 2 : C2 2 2
9.DG.55EpididymiteNa2Be2Si6O15 · H2OOrth. mmm (2/m 2/m 2/m) : Pnma
9.DG.60EudidymiteNa2Be2Si6O15 · H2OMon. 2/m : B2/b
9.DG.65ElpiditeNa2ZrSi6O15 · 3H2OOrth.
9.DG.70Fenaksite(K,Na)4(Fe,Mn)2(Si4O10)2(OH,F)Tric.
9.DG.70LitidioniteCuNaKSi4O10Tric.
9.DG.75TinaksiteK2Na(Ca,Mn2+)2Ti[O|Si7O18(OH)]Tric.
9.DG.75TokkoiteK2Ca4[Si7O18(OH)](OH,F)Tric.
9.DG.75SenkevichiteCsKNaCa2Ti[O|Si7O18(OH)]Tric. 1 : P1
9.DG.80CanasiteK3Na3Ca5Si12O30(OH)4
9.DG.80FluorcanasiteK3Na3Ca5Si12O30F4 · H2OMon. m : Bm
9.DG.85MiseriteK1.5-x(Ca,Y,REE)5(Si6O15)(Si2O7)(OH,F)2 · yH2OTric.
9.DG.90FrankameniteK3Na3Ca5(Si12O30)(F,OH)4 · H2OTric.
9.DG.92Charoite(K,Sr)15-16(Ca,Na)32[Si6O11(O,OH)6]2[Si12O18(O,OH)12]2[Si17O25(O,OH)18]2(OH,F)4 · ~3H2OMon. 2/m : P21/m
9.DG.95YuksporiteK4(Ca,Na)14(Sr,Ba)2(◻,Mn,Fe)(Ti,Nb)4(O,OH)4(Si6O17)2(Si2O7)3(H2O,OH)3Orth.
9.DG.97Eveslogite(Na,K,Ca,Sr,Ba)48 [(Ti,Nb,Mn,Fe2+)12Si48O144(OH)12](F,OH,Cl)14Mon. 2/m : P2/m

Related Minerals - Dana Grouping (8th Ed.)Hide

70.1.1.1LitidioniteCuNaKSi4O10Tric.
70.1.1.2Fenaksite(K,Na)4(Fe,Mn)2(Si4O10)2(OH,F)Tric.
70.1.1.4AgrelliteNaCa2Si4O10FTric.

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 ManaksiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
New Minerals (1997), New Minerals 1990-1994.
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 121(1): 112-115.
American Mineralogist (1993): 78: 1315.
Karimova, O. & Burns, P. C. (2008): Silicate tubes in the crystal structure of manaksite. Pp. 153-156 in: Krivovichev, S. V. , Ed. (2008): Minerals as Advanced Materials I. Springer, 256 pp.

Internet Links for ManaksiteHide

Localities for ManaksiteHide

ⓘ - 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 (TL)
 
  • Murmansk Oblast
    • Lovozero Massif
Fleischer's Glossary of Mineral Species 2004; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
      • Kedykverpakhk Mt
        • Karnasurt mine (Kedyk area)
American Mineralogist: 90: 1467-1468.
Mineral and/or Locality  
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