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Manganokukisvumite

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Formula:
Na6MnTi4(Si8O24)O4 · 4H2O
Colour:
Colourless
Lustre:
Vitreous
Hardness:
5½ - 6
Specific Gravity:
2.86
Crystal System:
Orthorhombic
Name:
Named as the manganese-dominant analogue of kukisvumite.
This page provides mineralogical data about Manganokukisvumite.


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Classification of ManganokukisvumiteHide

IMA status:
Approved
Approval Year:
2002
Nickel-Strunz 10th (pending) ed.:
9.DB.20

9 : SILICATES (Germanates)
D : Inosilicates
B : Inosilicates with 2-periodic single chains, Si2O6; Pyroxene-related minerals

Physical Properties of ManganokukisvumiteHide

Lustre:
Vitreous
Transparency:
Transparent
Colour:
Colourless
Streak:
White
Hardness:
5½ - 6 on Mohs scale
Tenacity:
Sectile
Cleavage:
None Observed
Fracture:
Splintery
Density:
2.86 g/cm3 (Measured)    2.88 g/cm3 (Calculated)

Optical Data of ManganokukisvumiteHide

Type:
Biaxial (-)
RI values:
nα = 1.657 nβ = 1.741 - 1.747 nγ = 1.789 - 1.795
2V:
Measured: 70°
Max Birefringence:
δ = 0.132 - 0.138
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High

Chemical Properties of ManganokukisvumiteHide

Formula:
Na6MnTi4(Si8O24)O4 · 4H2O
IMA Formula:
Na6MnTi4Si8O28 · 4H2O
Elements listed:
H, Mn, Na, O, Si, Ti - search for minerals with similar chemistry

Crystallography of ManganokukisvumiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pccn
Cell Parameters:
a = 29.05 Å, b = 8.612 Å, c = 5.22 Å
Ratio:
a:b:c = 3.373 : 1 : 0.606
Unit Cell V:
1,305.93 ų (Calculated from Unit Cell)
Z:
2

Type Occurrence of ManganokukisvumiteHide

Type Locality:
ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
General Appearance of Type Material:
Thin, flattened and sword-shaped crystals to 0.5 mm in length, commonly forming rosette-like radiating groups.
Geological Setting of Type Material:
From small cavities in an albite-rich syenite breccia.

Synonyms of ManganokukisvumiteHide

Other Language Names for ManganokukisvumiteHide

Simplified Chinese:羟硅锰钛钠石
Traditional Chinese:羥矽錳鈦鈉石

Common AssociatesHide

Associated Minerals Based on Photo Data:
Kukisvumite2 photos of Manganokukisvumite associated with Kukisvumite on mindat.org.
Arfvedsonite2 photos of Manganokukisvumite associated with Arfvedsonite on mindat.org.
Labuntsovite Supergroup2 photos of Manganokukisvumite associated with Labuntsovite Supergroup on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.DB.05BalipholiteBaLiMg2Al3(Si2O6)2(OH)4Orth.
9.DB.05CarpholiteMn2+Al2(Si2O6)(OH)4Orth.
9.DB.05Ferrocarpholite(Fe2+,Mg)Al2(Si2O6)(OH)4Orth. mmm (2/m 2/m 2/m) : Ccca
9.DB.05Magnesiocarpholite(Mg,Fe2+)Al2(Si2O6)(OH)4Orth.
9.DB.05Potassiccarpholite(K,☐)(Li,Mn2+)2Al4(Si2O6)2(OH,F)8Orth. mmm (2/m 2/m 2/m) : Ccca
9.DB.05VanadiocarpholiteMn2+V3+Al(Si2O6)(OH)4Orth. mmm (2/m 2/m 2/m) : Ccca
9.DB.10LorenzeniteNa2Ti2(Si2O6)O3Orth. mmm (2/m 2/m 2/m) : Pbcn
9.DB.15LintisiteLiNa3Ti2(Si2O6)2O2 · 2H2OMon.
9.DB.15PunkaruaiviteLiTi2(HSi4O12)(OH)2 · H2OMon. 2/m : B2/b
9.DB.17EliseeviteLiNa1.5Ti2(H1.5Si4O12)O2 · 2H2OMon. 2/m : B2/b
9.DB.20KukisvumiteNa6ZnTi4(Si8O24)O4 · 4H2OOrth.
9.DB.25VinogradoviteNa4Ti4(Si2O6)2[(Si,Al)4O10]O4 · (H2O,Na,K)3Mon. 2/m : B2/b
9.DB.25ParavinogradoviteNa1-2(Ti,Fe3+)4(Si2O6)2(AlSi3O10)(OH)4 · H2OTric. 1 : P1
9.DB.30NchwaningiteMn2+2(SiO3)(OH)2 · H2OOrth.
9.DB.35PlancheiteCu8(Si8O22)(OH)4 · H2OOrth. mmm (2/m 2/m 2/m)
9.DB.40ShattuckiteCu5(Si2O6)2(OH)2Orth. mmm (2/m 2/m 2/m)
9.DB.40UM2005-31-SiO:CuHCu11(SiO4)(OH)18 · 9H2O ?
9.DB.45Aerinite(Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12]Mon.
9.DB.50CapranicaiteKCaNaAl4B4Si2O18Mon. 2/m : P21/m

Fluorescence of ManganokukisvumiteHide

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 ManganokukisvumiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
GAULT, R.A., ERCIT, T.S., GRICE, J.D., and VAN VELTHUIZEN, J. (2004) Manganokukisvumite, a new mineral species from Mont Saint-Hilaire, Quebec. Canadian Mineralogist, 42, 781-785.

Internet Links for ManganokukisvumiteHide

Localities for ManganokukisvumiteHide

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.
Canada (TL)
 
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
GAULT, R.A., ERCIT, T.S., GRICE, J.D., and VAN VELTHUIZEN, J. (2004) Manganokukisvumite, a new mineral species from Mont Saint-Hilaire, Quebec. Canadian Mineralogist, 42, 781-785.
Russia
 
  • Murmansk Oblast
Gault et al. 2004; Yakovenchuk et al. 2005
      • Kukisvumchorr Mt
Mineral News, 27 (2011), #8, 12.
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