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Revdite

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Formula:
Na16Si16O27(OH)26 · 28H2O
Colour:
Colourless, white
Lustre:
Vitreous, Pearly
Hardness:
2
Specific Gravity:
1.94
Crystal System:
Monoclinic
Name:
Named after its discovery locality.
This page provides mineralogical data about Revdite.


Hide all sections | Show all sections

Classification of RevditeHide

Approved
Approval Year:
1979
9.DM.30

9 : SILICATES (Germanates)
D : Inosilicates
M : Inosilicates with 6-periodic single chains
74.3.6.1

74 : PHYLLOSILICATES Modulated Layers
3 : Modulated Layers with joined strips
14.1.3

14 : Silicates not Containing Aluminum
1 : Silicates of the alkali metals

Physical Properties of RevditeHide

Vitreous, Pearly
Transparency:
Transparent
Colour:
Colourless, white
Hardness:
Cleavage:
Perfect
Perfect on {100}, less perfect on {010}
Density:
1.94 g/cm3 (Measured)    1.93 g/cm3 (Calculated)

Optical Data of RevditeHide

Type:
Biaxial (-)
RI values:
nα = 1.469 nβ = 1.482 nγ = 1.490
2V:
Measured: 75° , Calculated: 75°
Max Birefringence:
δ = 0.021
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively weak

Chemical Properties of RevditeHide

Formula:
Na16Si16O27(OH)26 · 28H2O
Common Impurities:
K

Crystallography of RevditeHide

Crystal System:
Monoclinic
Class (H-M):
2 - Sphenoidal
Space Group:
B2
Cell Parameters:
a = 5.383 Å, b = 9.972 Å, c = 6.91 Å
β = 96.78°
Ratio:
a:b:c = 0.54 : 1 : 0.693
Unit Cell V:
368.33 ų (Calculated from Unit Cell)
Z:
2

Type Occurrence of RevditeHide

Synonyms of RevditeHide

Other Language Names for RevditeHide

German:Revdit
Russian:Ревдит
Spanish:Revdita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Manganoneptunite1 photo of Revdite associated with Manganoneptunite on mindat.org.
Manaksite1 photo of Revdite associated with Manaksite on mindat.org.
Microcline1 photo of Revdite associated with Microcline on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.DM.05StokesiteCaSn[Si3O9] · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnna
9.DM.10CalciohilairiteCaZr[SiO3]3 · 3H2OTrig.
9.DM.10HilairiteNa2Zr[SiO3]3 · 3H2OTrig.
9.DM.10KomkoviteBaZr[Si3O9] · 3H2OTrig.
9.DM.10Sazykinaite-(Y)Na5YZr[SiO3]6 · 6H2O
9.DM.10Pyatenkoite-(Y)Na5YTi[SiO3]6 · 6H2OTrig.
9.DM.15GaidonnayiteNa2Zr(Si3O9) · 2H2OOrth. mmm (2/m 2/m 2/m) : Pmna
9.DM.15GeorgechaoiteNaKZr[Si3O9] · 2H2OOrth. mm2
9.DM.20ChkaloviteNa2BeSi2O6Orth. mm2 : Fdd2
9.DM.25VlasoviteNa2ZrSi4O11Mon. 2/m : B2/b
9.DM.35ScheuchzeriteNa(Mn,Mg,Zn)9[VSi9O28(OH)](OH)3Tric. 1 : P1
9.DM.40TerskiteNa4ZrSi6O16 · 2H2OOrth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.1.1NatrosiliteNa2Si2O5Mon.
14.1.2ErtixiiteNa2Si4O9
14.1.4MakatiteNa2Si4O8(OH)2 · 4H2OMon. 2/m : P21/b
14.1.5MagadiiteNa2Si14O29 · 11H2OMon.
14.1.6KenyaiteNa2Si22O41(OH)8 · 6H2OMon.
14.1.7GrumantiteNa(HSi2O5) · H2OOrth. mm2 : Fdd2
14.1.8SilinaiteNaLiSi2O5 · 2H2OMon. 2/m

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 RevditeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Zap.Vses.Mineral.Obshch. 109, 565-569(1980) - American Mineralogist (1982): 67: 1076 [abstract]
American Mineralogist (1993): 78: 1112.

Internet Links for RevditeHide

Localities for RevditeHide

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.; HORVÁTH, L. and HORVÁTH-PFENNINGER, E. (2000) Die Mineralien des Mont Saint-Hilaire. Lapis, 25, Nr. 7/8, 23-61 (in German).; HORVÁTH, L., PFENNINGER‑HORVÁTH, E. (2000) I minerali di Mont-Saint-Hilaire (Québec, Canada) Rivista Mineralogica Italiana, XXIV, 140-202 (in Italian with English summary).
Russia
 
  • Far-Eastern Region
    • Sakhalinskaya Oblast'
      • Kuril Islands (Kurile Islands)
        • Paramushir Island
Bortnikova, S. B., Bessonova, E. P., & Zelenskii, M. E. (2005). Hydrogeochemistry of thermal springs at Ebeco volcano (Kuril Islands). In Proceedings World Geothermal Congress 2005. Antalia, Turkey, 24-29 April.
  • Northern Region
    • Murmanskaya Oblast'
      • Khibiny Massif
Am Min 79:1011
          • Rasvumchorr Mine
Pekov I.V., Zubkova N.V., Filinchuk Ya.E., Chukanov N.V., Zadov A.E., Pushcharovsky D.Yu., Gobechiya E.R. (2010): Shlykovite, KCa[Si4O9(OH)]·3H2O, and cryptophyllite, K2Ca[Si4O10]·5H2O, two new mineral species from the Khibiny alkaline complex, Kola Peninsula, Russia. Zapiski RMO, 139(1), 37-50.
      • Lovozero Massif
[World of Stones 95:5-6, p64]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
        • Kedykverpakhk Mt
          • Karnasurt mine (Kedyk area)
Mineralogical Record: 36(4): 397-416.
Mineral and/or Locality  
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