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Svyatoslavite

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Formula:
Ca(Al2Si2O8)
Colour:
Colourless
Lustre:
Vitreous
Hardness:
6
Crystal System:
Orthorhombic
Member of:
Name:
Named after Svyatoslav Nostorovich Ivanov (b. 1911), geologist, director of the Urals Scientific Center, Academy of Sciences, Sverdlovsk (Russia).
Feldspar Group


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Classification of SvyatoslaviteHide

Approved
Approval Year:
1988
9.FA.45

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
A : Tektosilicates without additional non-tetrahedral anions
76.1.6.4

76 : TECTOSILICATES Al-Si Framework
1 : Al-Si Framework with Al-Si frameworks
16.9.4

16 : Silicates Containing Aluminum and other Metals
9 : Aluminosilicates of Ca

Physical Properties of SvyatoslaviteHide

Vitreous
Colour:
Colourless
Streak:
white
Hardness:
Cleavage:
Poor/Indistinct

Optical Data of SvyatoslaviteHide

Type:
Biaxial (-)
RI values:
nα = 1.552 nβ = 1.578 nγ = 1.581
2V:
Measured: 37° , Calculated: 36°
Max Birefringence:
δ = 0.029
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
weak to distinct

Chemical Properties of SvyatoslaviteHide

Formula:
Ca(Al2Si2O8)
IMA Formula:
CaAl2Si2O8
Common Impurities:
Fe,Mg,Na,K

Crystallography of SvyatoslaviteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 8.23 Å, b = 8.6 Å, c = 4.85 Å
Ratio:
a:b:c = 0.957 : 1 : 0.564
Unit Cell V:
343.27 ų (Calculated from Unit Cell)

Type Occurrence of SvyatoslaviteHide

Synonyms of SvyatoslaviteHide

Other Language Names for SvyatoslaviteHide

Relationship of Svyatoslavite to other SpeciesHide

Member of:
Other Members of this group:
AlbiteNa(AlSi3O8)Tric. 1
AmazoniteK(AlSi3O8)
Andesine(Na,Ca)[Al(Si,Al)Si2O8]Tric.
AnorthiteCa(Al2Si2O8)Tric. 1 : P1
Anorthoclase(Na,K)AlSi3O8Tric.
BanalsiteNa2BaAl4Si4O16Orth.
Buddingtonite(NH4)(AlSi3)O8Mon. 2 : P21
Bytownite(Ca,Na)[Al(Al,Si)Si2O8]Tric.
CelsianBa(Al2Si2O8)Mon. 2/m
DmisteinbergiteCa(Al2Si2O8)Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm
FilatoviteK(Al,Zn)2(As,Si)2O8Mon. 2/m
HexacelsianBaAl2Si2O8Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm
Hyalophane(K,Ba)[Al(Si,Al)Si2O8]Mon.
KokchetaviteK(AlSi3O8)Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm
KumdykoliteNa(AlSi3O8)Orth. mmm (2/m 2/m 2/m) : Pnnm
Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
MicroclineK(AlSi3O8)Tric. 1
Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
OrthoclaseK(AlSi3O8)Mon. 2/m : B2/m
ParacelsianBa(Al2Si2O8)Mon.
ReedmergneriteNaBSi3O8Tric.
RubiclineRb(AlSi3O8)Tric.
SanidineK(AlSi3O8)Mon. 2/m : B2/m
SlawsoniteSr(Al2Si2O8)Mon.
StronalsiteNa2SrAl4Si4O16Orth.
SunstoneA variety of feldspar (microcline or oligoclase) that has schiller, commonly with an orange/brown background color, ...

Related Minerals - Nickel-Strunz GroupingHide

9.FA.05KaliophiliteKAlSiO4Hex.
9.FA.05KalsiliteKAlSiO4Hex. 6 2 2 : P63 2 2
9.FA.05Nepheline(Na,K)AlSiO4Hex. 6 : P63
9.FA.05Panunzite(K,Na)AlSiO4Hex. 6 : P63
9.FA.05Trikalsilite(K,Na)AlSiO4Hex.
9.FA.05Yoshiokaite(Ca,Na)[Al(Al,Si)O4]Trig. 3 : P3
9.FA.05MegakalsiliteKAlSiO4Hex.
9.FA.10MalinkoiteNaBSiO4Hex. 6 : P63
9.FA.15VirgiliteLiAlSi2O6Hex. 6 2 2 : P62 2 2
9.FA.25LisitsyniteKBSi2O6Orth. 2 2 2 : P2 2 2
9.FA.30AdulariaKAlSi3O8Mon.
9.FA.30Anorthoclase(Na,K)AlSi3O8Tric.
9.FA.30Buddingtonite(NH4)(AlSi3)O8Mon. 2 : P21
9.FA.30CelsianBa(Al2Si2O8)Mon. 2/m
9.FA.30Hyalophane(K,Ba)[Al(Si,Al)Si2O8]Mon.
9.FA.30MicroclineK(AlSi3O8)Tric. 1
9.FA.30OrthoclaseK(AlSi3O8)Mon. 2/m : B2/m
9.FA.30SanidineK(AlSi3O8)Mon. 2/m : B2/m
9.FA.30RubiclineRb(AlSi3O8)Tric.
9.FA.30MonalbiteNaAlSi3O8Mon. 2/m : B2/m
9.FA.35AlbiteNa(AlSi3O8)Tric. 1
9.FA.35Andesine(Na,Ca)[Al(Si,Al)Si2O8]Tric.
9.FA.35AnorthiteCa(Al2Si2O8)Tric. 1 : P1
9.FA.35Bytownite(Ca,Na)[Al(Al,Si)Si2O8]Tric.
9.FA.35Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
9.FA.35Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
9.FA.35ReedmergneriteNaBSi3O8Tric.
9.FA.40ParacelsianBa(Al2Si2O8)Mon.
9.FA.45KumdykoliteNa(AlSi3O8)Orth. mmm (2/m 2/m 2/m) : Pnnm
9.FA.50SlawsoniteSr(Al2Si2O8)Mon.
9.FA.55LisetiteCaNa2Al4Si4O16Orth.
9.FA.60BanalsiteNa2BaAl4Si4O16Orth.
9.FA.60StronalsiteNa2SrAl4Si4O16Orth.
9.FA.65DanburiteCaB2Si2O8Orth. mmm (2/m 2/m 2/m)
9.FA.65MaleeviteBaB2Si2O8Orth. mmm (2/m 2/m 2/m) : Pnma
9.FA.65PekoviteSrB2Si2O8
9.FA.70Lingunite(Na,Ca)AlSi3O8Tet. 4/m : I4/m
9.FA.75KokchetaviteK(AlSi3O8)Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm

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

76.1.6.1BanalsiteNa2BaAl4Si4O16Orth.
76.1.6.2StronalsiteNa2SrAl4Si4O16Orth.
76.1.6.3LisetiteCaNa2Al4Si4O16Orth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.9.1GehleniteCa2Al(AlSiO7)Tet. 4 2m : P4 21m
16.9.2AnorthiteCa(Al2Si2O8)Tric. 1 : P1
16.9.3Yoshiokaite(Ca,Na)[Al(Al,Si)O4]Trig. 3 : P3
16.9.5DmisteinbergiteCa(Al2Si2O8)Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm
16.9.6GrossularCa3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
16.9.7VuagnatiteCaAl(SiO4)(OH)Orth.
16.9.8Zoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
16.9.9Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
16.9.10PrehniteCa2Al2Si3O10(OH)2Orth. mm2
16.9.11KamaishiliteCa2(Al2SiO6)(OH)2Tet.
16.9.12BicchuliteCa2(Al2SiO6)(OH)2Iso. 4 3m : I4 3m
16.9.13MargariteCaAl2(Al2Si2O10)(OH)2Mon.
16.9.14ChantaliteCaAl2(SiO4)(OH)4Tet. 4/m : I41/a
16.9.15CebolliteCa5Al2(SiO4)3(OH)4Orth.
16.9.17KatoiteCa3Al2(SiO4)3-x(OH)4xIso.
16.9.18LawsoniteCaAl2(Si2O7)(OH)2 · H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
16.9.19ParthéiteCa2(Si4Al4) O15 (OH)2•4H2OMon. 2/m : B2/b
16.9.20WairakiteCa(Al2Si4O12) · 2H2OMon. 2/m
16.9.21VertumniteCa4Al4Si4O6(OH)24 · 3H2OMon. 2/m : P21/m
16.9.22ScoleciteCaAl2Si3O10 · 3H2OMon. m : Bb
16.9.23LaumontiteCaAl2Si4O12 · 4H2OMon. 2/m : B2/m
16.9.24YugawaraliteCaAl2Si6O16 · 4H2OMon.
16.9.25Gismondine-CaCaAl2Si2O8 · 4H2O
16.9.26EpistilbiteCaAl2Si6O16 · 5H2OMon.
16.9.27GoosecreekiteCa[Al2Si6O16] · 5H2OMon.
16.9.28CowlesiteCaAl2Si3O10 · 6H2OOrth.
16.9.30StelleriteCa4(Si28Al8)O72 · 28H2OOrth. mmm (2/m 2/m 2/m) : Fmmm
16.9.31SträtlingiteCa2Al2SiO7 · 8H2OTrig.
16.9.32AmstalliteCaAl(Si,Al)4O8(OH)4 · (H2O,Cl)Mon. 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 SvyatoslaviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1989): 118(2): 111-114.
American Mineralogist (1991): 76: 300-301.

Internet Links for SvyatoslaviteHide

Localities for SvyatoslaviteHide

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)
 
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
        • Chelyabinsk coal basin
          • Kopeisk
ZVMO 118/2 (1989), 111; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mineral and/or Locality  
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