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Raite

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Ra II
Formula:
Na4Mn2+3Ti0.25Si8O20(OH)2 · 10H2O
Colour:
Pale brown to golden-yellow, reddish brown, tan, rose, lavender, bronze
Lustre:
Vitreous, Silky
Hardness:
3
Specific Gravity:
2.32 - 2.39
Crystal System:
Orthorhombic
Name:
Named after the international group of scientists on the 1969-1970 voyage of the papyrus ship, Ra.
Structurally related to tuperssuatsiaite and windhoekite. May be polymorphous with UM1990-92-SiO:FeHMnNaTi.


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Classification of RaiteHide

Approved
9.EE.55

9 : SILICATES (Germanates)
E : Phyllosilicates
E : Single tetrahedral nets of 6-membered rings connected by octahedral nets or octahedral bands
78.5.8.1

78 : Unclassified Silicates
5 :
14.18.30

14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe

Physical Properties of RaiteHide

Vitreous, Silky
Transparency:
Transparent
Colour:
Pale brown to golden-yellow, reddish brown, tan, rose, lavender, bronze
Streak:
Yellow
Hardness:
Tenacity:
Brittle
Cleavage:
Perfect
on {100} {010} {001}
Density:
2.32 - 2.39 g/cm3 (Measured)    2.51 g/cm3 (Calculated)

Optical Data of RaiteHide

Type:
Biaxial (+)
RI values:
nα = 1.540(2) nβ = 1.542(2) nγ = 1.550(2)
2V:
Measured: 53° , Calculated: 54°
Max Birefringence:
δ = 0.010
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
weak
Pleochroism:
Visible
Comments:
X= nearly colorless
Y= yellowish
Z= golden brown

Chemical Properties of RaiteHide

Formula:
Na4Mn2+3Ti0.25Si8O20(OH)2 · 10H2O
IMA Formula:
Na3Mn2+3Ti0.25Si8O20(OH)2 · 10H2O
Common Impurities:
Ca,Ti,Fe,Zr,Al,Nb,Ta,Mg,K,C

Crystallography of RaiteHide

Crystal System:
Orthorhombic
Class (H-M):
2 2 2 - Disphenoidal
Space Group:
C2 2 2
Cell Parameters:
a = 30.6 Å, b = 5.31 Å, c = 18.2 Å
Ratio:
a:b:c = 5.763 : 1 : 3.427
Unit Cell V:
2,957.25 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Acicular in radiating masses

Type Occurrence of RaiteHide

Synonyms of RaiteHide

Other Language Names for RaiteHide

German:Rait
Russian:Раит
Spanish:Raita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Serandite16 photos of Raite associated with Serandite on mindat.org.
Zorite15 photos of Raite associated with Zorite on mindat.org.
Aegirine15 photos of Raite associated with Aegirine on mindat.org.
Gmelinite-Na9 photos of Raite associated with Gmelinite-Na on mindat.org.
Natrolite8 photos of Raite associated with Natrolite on mindat.org.
Penkvilksite7 photos of Raite associated with Penkvilksite on mindat.org.
Microcline6 photos of Raite associated with Microcline on mindat.org.
Epistolite6 photos of Raite associated with Epistolite on mindat.org.
Leucosphenite5 photos of Raite associated with Leucosphenite on mindat.org.
Lomonosovite4 photos of Raite associated with Lomonosovite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.EE.05BementiteMn7Si6O15(OH)8Mon.
9.EE.10BrokenhilliteMn8Si6O15(OH)10Hex. 6mm : P63mc
9.EE.10Pyrosmalite-(Fe)Fe2+8Si6O15(OH,Cl)10Trig. 3m (3 2/m) : P3m1
9.EE.10FriedeliteMn2+8Si6O15(OH,Cl)10Mon. 2/m : B2/m
9.EE.10Pyrosmalite-(Mn)Mn2+8Si6O15(OH,Cl)10Trig.
9.EE.10Mcgillite(Mn,Fe)8Si6O15(OH)8Cl2Mon. 2/m : B2/m
9.EE.15Nelenite(Mn,Fe)16(Si12O30)(OH)14[As3+3O6(OH)3]Mon.
9.EE.15SchalleriteMn2+16As3Si12O36(OH)17Trig. 3m : P3m1
9.EE.20Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2OMon. 2/m : B2/m
9.EE.20TuperssuatsiaiteNa2Fe3Si8O20(OH)2 · 4H2OMon. 2/m : B2/m
9.EE.20YofortieriteMn5Si8O20(OH)2 · 8-9H2OMon. 2/m : B2/m
9.EE.20WindhoekiteCa2Fe3+2.67[Si8O20](OH)4 · 10H2O Mon. 2/m : B2/m
9.EE.25Falcondoite(Ni,Mg)4Si6O15(OH)2 · 6H2OOrth.
9.EE.25LoughliniteNa2Mg3Si6O16 · 8H2OOrth.
9.EE.25SepioliteMg4(Si6O15)(OH)2 · 6H2OOrth. mmm (2/m 2/m 2/m) : Pnna
9.EE.25Kalifersite(K,Na)5Fe3+7Si20O50(OH)6 · 12H2OTric.
9.EE.30GyroliteNaCa16Si23AlO60(OH)8 · 14H2OTric.
9.EE.30OrlymaniteCa4Mn3Si8O20(OH)6 · 2H2OHex.
9.EE.30TungusiteCa4Fe2Si6O15(OH)6
9.EE.35Reyerite(Na,K)2Ca14(Si,Al)24O58(OH)8 · 6H2OTrig.
9.EE.35Truscottite(Ca,Mn)14Si24O58(OH)8 · 2H2OTrig.
9.EE.40NatrosiliteNa2Si2O5Mon.
9.EE.45MakatiteNa2Si4O8(OH)2 · 4H2OMon. 2/m : P21/b
9.EE.50VarennesiteNa8Mn2Si10O25(OH,Cl)2 · 12H2OOrth.
9.EE.60IntersiliteNa6Mn2+Ti[Si10O24(OH)](OH)3 · 4H2OMon.
9.EE.65Shafranovskite(Na,K)6(Mn,Fe)3Si9O24 · 6H2OTrig.
9.EE.65ZakharoviteNa4Mn5Si10O24(OH)6 · 6H2OTrig.
9.EE.70ZeophylliteCa13Si10O28(OH)2F8 · 6H2OTrig. 3 : R3
9.EE.75Minehillite(K,Na)2-3Ca28Zn4Al4Si40O112(OH)16Hex.
9.EE.80Fedorite(Na,K)2-3(Ca4Na3)Si16O38(OH,F)2 · 3.5H2OTric. 1 : P1
9.EE.80Martinite(Na,◻,Ca)12Ca4(Si,S,B)14B2O38(OH,Cl)2F2·4H2OTric. 1 : P1
9.EE.85Lalondeite(Na,Ca)6(Ca,Na)3Si16O38(F,OH)2·3H2OTric. 1 : P1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.18.1Nambulite(Li,Na)Mn4Si5O14(OH)Tric.
14.18.2Natronambulite(Na,Li)(Mn,Ca)4Si5O14OHTric.
14.18.3ZakharoviteNa4Mn5Si10O24(OH)6 · 6H2OTrig.
14.18.4NorrishiteKLiMn3+2(Si4O10)O2Mon. 2/m : B2/m
14.18.5Shafranovskite(Na,K)6(Mn,Fe)3Si9O24 · 6H2OTrig.
14.18.6AbswurmbachiteCuMn3+6(SiO4)O8Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
14.18.7Donpeacorite(Mn2+,Mg)Mg[SiO3]2Orth.
14.18.8KanoiteMn2+(Mg,Mn2+)Si2O6Mon. 2/m : P21/b
14.18.9CaryopiliteMn2+3Si2O5(OH)4Mon.
14.18.10Gonyerite(Mn2+,Mg)5Fe3+(Fe3+Si3O10)(OH)8
14.18.11Tirodite
14.18.12Manganhumite(Mn2+,Mg)7(SiO4)3(OH)2Orth.
14.18.13BustamiteCaMn2+(Si2O6)Tric. 1 : P1
14.18.14GlaucochroiteCaMn2+SiO4Orth.
14.18.15Truscottite(Ca,Mn)14Si24O58(OH)8 · 2H2OTrig.
14.18.16SantaclaraiteCaMn4[Si5O14OH](OH) · H2OTric.
14.18.17FerrobustamiteCaFe2+(Si2O6)Tric.
14.18.18JohannseniteCaMn2+Si2O6Mon. 2/m : B2/b
14.18.19NeltneriteCaMn3+6(SiO4)O8Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
14.18.20OrlymaniteCa4Mn3Si8O20(OH)6 · 2H2OHex.
14.18.21InesiteCa2(Mn,Fe)7Si10O28(OH)2 · 5H2OTric. 1 : P1
14.18.22OrientiteCa8Mn3+10(SiO4)3(Si3O10)3(OH)10 · 4H2O Orth.
14.18.23RuiziteCa2Mn3+2[Si4O11(OH)2](OH)2·2H2OMon. 2
14.18.24BostwickiteCaMn6Si3O16 · 7H2OOrth.
14.18.25KittatinnyiteCa2Mn2Mn(SiO4)2(OH)4 · 9H2OHex.
14.18.26LithiomarsturiteLiCa2Mn2Si5O14(OH)Tric.
14.18.27SeranditeNaMn2+2Si3O8(OH)Tric. 1 : P1
14.18.28KvanefjelditeNa4(Ca,Mn)(Si3O7)2(OH)2Orth.
14.18.29MarsturiteNaCaMn3Si5O14(OH)Tric. 1 : P1
14.18.31Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2Mon.
14.18.32Byelorussite-(Ce)NaBa2Ce2MnTi2[Si4O12]2O2(F,OH) · H2O
14.18.33Deerite(Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5Mon.
14.18.34Calderite(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3Iso.
14.18.35PyroxmangiteMnSiO3Tric. 1
14.18.36Dannemorite☐{Mn2+2}{Fe2+5}(Si8O22)(OH)2
14.18.37Neotocite(Mn,Fe,Mg)SiO3 · H2OAmor.
14.18.38BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)Tric. 1 : P1
14.18.39ManganbabingtoniteCa2(Mn,Fe)FeSi5O14(OH)Tric.
14.18.40ÖrebroiteMn2+3(Sb5+,Fe3+)(SiO4)(O,OH)3Hex.

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 RaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Mer'kov, A.N., Bussen, I.V., Goiko, E.A., Kul'chitskaya, E.A., Men'shikov, Yu.P., and Nedorezova, A.P. (1973) Raite and zorite - new minerals from the Lovozero Tundra. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 102(1): 54-62 (in Russian).
American Mineralogist (1973): 58: 1113.
Mineralogical Record (199: 10: 99.
Proceedings of the National Academy of Science (USA) (1997): 94: 12263-12267.

Internet Links for RaiteHide

Localities for RaiteHide

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
 
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
HORVÁTH, L., and GAULT, R.A. (1990) The mineralogy of Mont Saint-Hilaire. Mineralogical Record, 21, 284-359.
      • Lajemmerais RCM
        • Varennes & St-Amable
          • Saint-Amable sill
Horváth collection XRD & WDS confirmed
Russia
 
  • Northern Region
    • Murmanskaya Oblast'
Yakovenchuk, V. N., Ivanyuk, G., Pakhomovsky, Y. & Men'shikov, Y. (2005): Khibiny. Apatity & London (Laplandia Minerals in association with the Mineral. Soc. of GB & Ireland), 468 pp.
      • Lovozero Massif
        • Alluaiv Mt
          • Umbozero mine (Umbozerskii mine; Umba Mine)
Pavel M. Kartashov data
        • Karnasurt Mt
          • Karnasurt underground mine
            • Karnasurt area
ZVMO,(1973) 102, 54-62; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Zubkova, N. V., Pekov, I. V., Pushcharovsky, D. Y., & Chukanov, N. V. (2009). The crystal structure and refined formula of mountainite, KNa2Ca2 [Si8O19 (OH)]⊙ 6 H2O. Zeitschrift für Kristallographie, 224(8), 389-396.; Pluth, J. J., Smith, J. V., Pushcharovsky, D. Y., Semenov, E. I., Bram, A., Riekel, C., ... & Broach, R. W. (1997). Third-generation synchrotron x-ray diffraction of 6-μm crystal of raite,≈ Na3Mn3Ti0. 25Si8O20 (OH) 2⋅ 10H2O, opens up new chemistry and physics of low-temperature minerals. Proceedings of the National Academy of Sciences, 94(23), 12263-12267.
Mineral and/or Locality  
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