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Colourless, cream, light rose
Crystal System:
Named for its chemical composition (Mn, Na, K, Si).
The manganese analogue of fenaksite.

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Classification of ManaksiteHide


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

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

Physical Properties of ManaksiteHide

Colourless, cream, light rose

Optical Data of ManaksiteHide

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:

Chemical Properties of ManaksiteHide

IMA Formula:
Common Impurities:

Crystallography of ManaksiteHide

Crystal System:
Cell Parameters:
a = 6.99 Å, b = 8.21 Å, c = 10 Å
α = 105.11°, β = 100.76°, γ = 114.79°
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


Relationship of Manaksite to other SpeciesHide

Other Members of this group:
CalcinaksiteKNaCa(Si4O10)·H2OTric. 1 : P1

Common AssociatesHide

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

Related Minerals - Nickel-Strunz GroupingHide

9.DG.05BustamiteCaMn2+(Si2O6)Tric. 1 : P1
9.DG.05PectoliteNaCa2Si3O8(OH)Tric. 1 : P1
9.DG.05SeranditeNaMn2+2Si3O8(OH)Tric. 1 : P1
9.DG.05WollastoniteCaSiO3Tric. 1 : P1
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.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.75SenkevichiteCsKNaCa2Ti[O|Si7O18(OH)]Tric. 1 : P1
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.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,Na)4(Fe,Mn)2(Si4O10)2(OH,F)Tric.

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

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 (TL)
  • Northern Region
    • Murmanskaya 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.
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