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Sapozhnikovite

A valid IMA mineral species
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Formula:
Na8(Al6Si6O24)(HS)2
Colour:
Colourless to pale grayish
Lustre:
Vitreous
Hardness:
5½
Specific Gravity:
2.25
Crystal System:
Isometric
Name:
Named after Russian mineralogist and crystallographer, Anatoly Nikolaevich Sapozhnikov, Ph.D. (b. 1946).
Isostructural with:
Sodalite
The second mineral with dominant sulfhydryl (hydrosulfide) anion after sulfhydrylbystrite. The first group member with such anion as a species-defining one.


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Unique IdentifiersHide

Mindat ID:
55543
Long-form identifier:
mindat:1:1:55543:6

IMA Classification of SapozhnikoviteHide

IMA status:
Approved
IMA Formula:
Na8(Al6Si6O24)(HS2-)2
First published:
2022

Classification of SapozhnikoviteHide

Strunz-mindat (2026):
9.FB.

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
SpzIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of SapozhnikoviteHide

Lustre:
Vitreous
Colour:
Colourless to pale grayish
Streak:
White
Hardness:
5½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Imperfect/Fair
on (110)
Density:
2.25(1) g/cm3 (Measured)    2.255 g/cm3 (Calculated)

Chemistry of SapozhnikoviteHide

Mindat Formula:
Na8(Al6Si6O24)(HS)2
Element Weights:
Element% weight
O39.814 %
Na19.070 %
Si17.472 %
Al16.786 %
S6.649 %
H0.209 %

Calculated from ideal end-member formula.
Elements listed:
Al, H, Na, O, S, Si - search for minerals with similar chemistry

Crystallography of SapozhnikoviteHide

Crystal System:
Isometric
Class (H-M):
43m - Hextetrahedral
Space Group:
P43n
Cell Parameters:
a = 8.91462(7) Å
Unit Cell V:
708.45 ų (Calculated from Unit Cell)
Z:
1

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.30 Å(37)
3.638 Å(100)
2.821 Å(14)
2.572 Å(18)
2.382 Å(16)
2.101 Å(29)
1.576 Å(8)
1.486 Å(8)
Locality:
Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia

Type Occurrence of SapozhnikoviteHide

Type Locality:
ⓘ Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia
General Appearance of Type Material:
Isolated, anhedral equant grains, up to 5 mm in size.
Place of Conservation of Type Material:
Collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninskiy Prospekt 18-2, Moscow 119071, Russia, registration number 5693/1.
Geological Setting of Type Material:
Hydrothermally altered urtite-like rock.
Associated Minerals at Type Locality:
AegirineAlbiteFeldspar GroupFluorapatiteFluorcaphite
KyanoxaliteLomonosoviteLopariteMurmaniteNatrolite
Nepheline

Other Language Names for SapozhnikoviteHide

Relationship of Sapozhnikovite to other SpeciesHide

Member of:
Sodalite Group > Feldspathoid Group
Other Members of Sodalite Group:
Bolotinaite(Na7◻)(Al6Si6O24)F · 4H2OIso. 43m : I43m
HaüyneNa3Ca(Si3Al3)O12(SO4)Iso. 43m : P43n
LazuriteNa7Ca(Al6Si6O24)(SO4)(S3) · H2OIso. 43m : P43n
NoseanNa8(Al6Si6O24)(SO4) · H2OIso. 43m : P43n
SlyudyankaiteNa28Ca4(Si24Al24O96)(SO4)6(S6)1/3(CO2) · 2H2OTric. 1 : P1
SodaliteNa4(Si3Al3)O12ClIso. 43m : P43n
Tsaregorodtsevite(N(CH3)4)(AlSi5O12)Orth. 222 : I222
VladimirivanoviteNa6Ca2(Al6Si6O24)(SO4,S3,S2,Cl)2 · H2OOrth. mmm(2/m2/m2/m)

Related Minerals - Strunz-mindat GroupingHide

9.FB.Perchukite-(Y)PbYAsSi2O8Mon. 2/m : B2/b
9.FB.Åsgruvanite-(Ce)Ce16Ca5Al(SiO4)6(AsO3)8(CO3)2Cl4F3(OH)2Trig. 3m(32/m) : P3m1
9.FB.SteudeliteNa3(K17Ca7)Ca4(Al24Si24O96)(SO3)6F6 · 4H2OHex. 6m2 : P62c
9.FB.Wenlanzhangite-(Y)Y2V3+2V4+2(SiO4)2O4(OH)4Tric. 1 : P1
9.FB.SlyudyankaiteNa28Ca4(Si24Al24O96)(SO4)6(S6)1/3(CO2) · 2H2OTric. 1 : P1
9.FB.Bolotinaite(Na7◻)(Al6Si6O24)F · 4H2OIso. 43m : I43m
9.FB.BetziteNa6Ca2(Al6Si6O24)Cl4Hex. 6 : P63
9.FB.05Quadridavyne(Na,K)6Ca2(Al6Si6O24)Cl4Hex. 6/m : P63/m
9.FB.05SulfhydrylbystriteNa5K2Ca[Al6Si6O24](S5)2(SH)Trig. 3m : P31c
9.FB.05Marinellite(Na,K)42Ca6(Al6Si6O24)6(SO4)8Cl2 · 3H2OTrig. 3m : P31c
9.FB.05Afghanite(Na,K)22Ca10(Si24Al24O96)(SO4)6Cl6Trig. 3m : P31c
9.FB.05Bystrite(Na,K)7Ca(Al6Si6O24)(S5)ClTrig. 3m : P31c
9.FB.05Franzinite(Na,K)6Ca2(Al6Si6O24)(SO4)2 · 0.5H2OHex.
9.FB.05KyanoxaliteNa7(Al6-xSi6+xO24)(C2O4)0.5+x · 5H2O (0 < x < 0.5)Hex. 6 : P63
9.FB.05Vishnevite(Na,K)8(Al6Si6O24)(SO4,CO3) · 2H2OHex. 6 : P63
9.FB.05Farneseite(Na,Ca,K)56(Al6Si6O24)7(SO4)12 · 6H2OHex. 6/m : P63/m
9.FB.05Alloriite(Na,Ca,K)26Ca4(Al6Si6O24)4(SO4)6Cl6Trig. 3m : P31c
9.FB.05Liottite(Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4Hex. 6 : P6
9.FB.05DepmeieriteNa8(Al6Si6O24)(PO4,CO3)1-x · 3H2O (x<0.5)Hex. 6 : P63
9.FB.05Biachellaite(Na,Ca,K)8(Al6Si6O24)(SO4)2(OH)0.5 · H2OTrig. 3 : P3
9.FB.05Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2OHex. 6 : P63
9.FB.05CancrisiliteNa7(Al5Si7O24)(CO3) · 3H2OHex. 6mm : P63mc
9.FB.05Fantappièite[Na82.5Ca33K16.5](Si99Al99O396)(SO4)33 · 4H2OTrig. 3 : R3
9.FB.05CarbobystriteNa8(Al6Si6O24)(CO3) · 3.5H2OTrig. 3m : P31c
9.FB.05MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2Hex. 622 : P6322
9.FB.05PitiglianoiteNa6K2(Al6Si6O24)(SO4) · 2H2OHex. 6 : P63
9.FB.05Tounkite(Na,Ca,K)8(Si6Al6)O24(SO4)2Cl · 0.5H2OHex. 622 : P6222
9.FB.05Balliranoite(Na,K)6Ca2(Si6Al6O24)Cl2(CO3)Hex. 6 : P63
9.FB.05Giuseppettite(Na,K,Ca)7-8(Al6Si6O24)(SO4,Cl)1-2Trig. 3m : P31c
9.FB.05Sacrofanite(Na61K19Ca32)(Si84Al84O336)(SO4)26Cl2F6 · 2H2OHex.
9.FB.05KircheriteNa5Ca2K(Al6Si6O24)(SO4)2 · 0.33H2OTrig. 32 : R32
9.FB.05HydroxycancriniteNa8(Al6Si6O24)(OH)2 · 2H2OHex. 6 : P63
9.FB.05Davyne(Na,K)6Ca2(Al6Si6O24)(Cl2,SO4)2Hex. 6/m : P63/m
9.FB.10HaüyneNa3Ca(Si3Al3)O12(SO4)Iso. 43m : P43n
9.FB.10LazuriteNa7Ca(Al6Si6O24)(SO4)(S3) · H2OIso. 43m : P43n
9.FB.10DanaliteBe3Fe2+4(SiO4)3SIso. 43m : P43n
9.FB.10HelvineBe3Mn2+4(SiO4)3SIso. 43m : P43n
9.FB.10KamaishiliteCa2(Al2SiO6)(OH)2Tet.
9.FB.10SodaliteNa4(Si3Al3)O12ClIso. 43m : P43n
9.FB.10NoseanNa8(Al6Si6O24)(SO4) · H2OIso. 43m : P43n
9.FB.10GenthelviteBe3Zn4(SiO4)3SIso. 43m : P43n
9.FB.10BicchuliteCa2(Al2SiO6)(OH)2Iso. 43m : I43m
9.FB.10Tsaregorodtsevite(N(CH3)4)(AlSi5O12)Orth. 222 : I222
9.FB.10VladimirivanoviteNa6Ca2(Al6Si6O24)(SO4,S3,S2,Cl)2 · H2OOrth. mmm(2/m2/m2/m)
9.FB.10Tugtupite(BeAlSi)Na4(SiO4)3ClTet. 4 : I4
9.FB.15MarialiteNa4Al3Si9O24ClTet. 4/m : I4/m
9.FB.15MeioniteCa4Al6Si6O24CO3Tet. 4/m : I4/m
9.FB.15Silvialite(Ca,Na)4(Al6Si6O24)(SO4,CO3)Tet. 4/m : I4/m

Fluorescence of SapozhnikoviteHide

In UV light:
330 nm (LWUV): strong, orange; 245 nm (SWUV): weak, yellow-orange

Other InformationHide

IR Spectrum:
yes
Notes:
other methods used: Raman, ESR, NIR-Vis-UV absorption, photoluminescence spectroscopy
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for SapozhnikoviteHide

References for SapozhnikoviteHide

Localities for SapozhnikoviteHide

Showing 1 localities.

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.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Russia (TL)
 
  • Murmansk Oblast
    • Lovozersky District
Miyawaki et al. (2021) +1 other reference
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