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Altisite

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Formula:
Na3K6Ti2Al2Si8O26Cl3
Colour:
Colourless
Lustre:
Vitreous
Hardness:
6
Crystal System:
Monoclinic
Name:
The name is derived from the elements Al, Ti, and Si in the composition.
This page provides mineralogical data about Altisite.


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Classification of AltisiteHide

Approved
9.DP.40

9 : SILICATES (Germanates)
D : Inosilicates
P : Transitional ino-phyllosilicate structures
74.3.3.1

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

Physical Properties of AltisiteHide

Vitreous
Colour:
Colourless
Streak:
White
Hardness:

Optical Data of AltisiteHide

Type:
Biaxial (+)
RI values:
nα = 1.601 nβ = 1.625 nγ = 1.654
2V:
Measured: 85° , Calculated: 86°
Max Birefringence:
δ = 0.053
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
weak

Chemical Properties of AltisiteHide

Formula:
Na3K6Ti2Al2Si8O26Cl3

Crystallography of AltisiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 10.36 Å, b = 16.31 Å, c = 9.13 Å
β = 105.34°
Ratio:
a:b:c = 0.635 : 1 : 0.56
Unit Cell V:
1,487.75 ų (Calculated from Unit Cell)

Type Occurrence of AltisiteHide

Synonyms of AltisiteHide

Other Language Names for AltisiteHide

German:Altisit
Spanish:Altisita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Pectolite1 photo of Altisite associated with Pectolite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.DP.05Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]Tet. 4 : I4
9.DP.15LeucospheniteBaNa4Ti2B2Si10O30Mon.
9.DP.20PrehniteCa2Al2Si3O10(OH)2Orth. mm2
9.DP.25AmstalliteCaAl(Si,Al)4O8(OH)4 · (H2O,Cl)Mon. 2/m : B2/b
9.DP.30KvanefjelditeNa4(Ca,Mn)(Si3O7)2(OH)2Orth.
9.DP.35Lemoynite(Na,K)2CaZr2Si10O26 · 5H2OMon. 2/m : B2/b
9.DP.35NatrolemoyniteNa4Zr2Si10O26•9H2OMon. 2/m : B2/m

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

74.3.3.2Lemoynite(Na,K)2CaZr2Si10O26 · 5H2OMon. 2/m : B2/b

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 AltisiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Khomyakov, A.P., Nechelyustov, G.N., Ferraris, G., Ivaldi, G. (1994) Altisite Na3K6Ti2Al2Si8O26Cl3 – a new mineral. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 123(6): 82-86.
Ferraris, G., Ivaldi, G., Khomyakov, A.P. (1995) Altisite Na3K6Ti2[Al2Si8O26]Cl3 a new hyperalkaline aluminosilicate from Kola Peninsula (Russia) related to lemoynite: crystal structure and thermal evolution. European Journal of Mineralogy: 7: 537-546.
Jambor, J.L., Pertsev, N.N., Roberts, A.C. (1996) New mineral names. American Mineralogist: 81: 516-520.
Mineralogical Record: 27: 301.

Internet Links for AltisiteHide

Localities for AltisiteHide

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'
      • Khibiny Massif
ZVMO (1994) 123/6, 82-86; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
www.koeln.netsurf.de/~w.steffens/lovo.htm
Mineral and/or Locality  
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