Bystrite
A valid IMA mineral species
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About Bystrite
Formula:
(Na,K)7Ca(Al6Si6O24)(S5)Cl
Colour:
Yellow
Lustre:
Vitreous
Hardness:
5
Specific Gravity:
2.43
Crystal System:
Trigonal
Member of:
Name:
Apparently named for the occurrence in the Malaya Bystraya deposit, Russia.
Cancrinite Group. The formula may be changed, as the presence of pentasulphide anion in the losod cage was recently confirmed (Sapozhnikov et al., 2016). The third polysulphide-containing mineral, by sulfhydrylbystrite and bazhenovite (this does not count disulfides).
Bystrite is confirmed to be the chloride analogue of sulfhydrylbystrite.
Bystrite is confirmed to be the chloride analogue of sulfhydrylbystrite.
Unique Identifiers
Mindat ID:
813
Long-form identifier:
mindat:1:1:813:2
GUID
(UUID V4):
(UUID V4):
f3723dea-cb3c-45ee-b975-6f95cd1e78c0
IMA Classification of Bystrite
Approved
IMA Formula:
Na7Ca(Al6Si6O24)(S5)2-Cl1-
Approval year:
1990
First published:
1991
Classification of Bystrite
9.FB.05
9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions
9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions
76.2.5.2
76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species
76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Bys | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Bystrite
Vitreous
Transparency:
Translucent
Colour:
Yellow
Streak:
Pale yellow
Hardness:
5 on Mohs scale
Tenacity:
Brittle
Cleavage:
Distinct/Good
Good on {1010}
Good on {1010}
Parting:
Poor parting on {0001}.
Density:
2.43(1) g/cm3 (Measured) 2.45 g/cm3 (Calculated)
Optical Data of Bystrite
Type:
Uniaxial (+)
RI values:
nω = 1.584 nε = 1.660
Max Birefringence:
δ = 0.076
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Pleochroism:
Visible
Comments:
Deep yellow to colorless.
Chemistry of Bystrite
Mindat Formula:
(Na,K)7Ca(Al6Si6O24)(S5)Cl
Common Impurities:
Cl
Chemical Analysis
Empirical formulas:
Sample ID | Empirical Formula |
---|---|
1 | (1) Na6.97K0.04Ca0.98(Si6.03Al5.97O24)(S2–5)0.93[(SO2–4)0.15Cl0.83; (2) Na6.75K0.04Ca1.11(Si6.09Al5.91O24)(S2–5)1.04[(HS–)0.17Cl0.85] |
Sample references:
Crystallography of Bystrite
Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
P3 1c
Cell Parameters:
a = 12.8257(2) Å, c = 10.6907(2) Å
Ratio:
a:c = 1 : 0.834
Unit Cell V:
1,523.00 ų (Calculated from Unit Cell)
Z:
2
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0012484 | Bystrite | Pobedimskaya E A, Terent'eva L E, Sapozhnikov A N, Kashaev A A, Dorokhova G I (1991) Crystal structure of bystrite Doklady Akademii Nauk SSSR 319 873-878 | 1991 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.712 Å | (100) |
3.307 Å | (50) |
3.915 Å | (38) |
4.821 Å | (32) |
2.673 Å | (30) |
2.692 Å | (22) |
2.782 Å | (18) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 4b: Highly evolved igneous rocks | >3.0 |
35 : Ultra-alkali and agpaitic igneous rocks |
Type Occurrence of Bystrite
General Appearance of Type Material:
As elongated platy crystals to 5 mm or as irregular grains to 3 mm.
Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia.
Geological Setting of Type Material:
As metasomatic lenses in dolomitic marble.
Associated Minerals at Type Locality:
Reference:
Sapozhnikov, A.N., Ivanov, V.G., Piskunova, L.F., Kashaev, A.A., Terentieva, L.E., Pobedimskaya, E.A. (1991) Bystrite Ca(Na,K)7(Si6Al6O24)(S3)1.5·H2O — a new cancrinite-like mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 120(3): 97-100.
Synonyms of Bystrite
Other Language Names for Bystrite
Relationship of Bystrite to other Species
Member of:
Other Members of this group:
Afghanite | (Na,K)22Ca10(Si24Al24O96)(SO4)6Cl6 | Trig. 3m : P3 1c |
Alloriite | (Na,Ca,K)26Ca4(Al6Si6O24)4(SO4)6Cl6 | Trig. 3m : P3 1c |
Balliranoite | (Na,K)6Ca2(Si6Al6O24)Cl2(CO3) | Hex. 6 : P63 |
Betzite | Na6Ca2(Al6Si6O24)Cl4 | Hex. 6 : P63 |
Biachellaite | (Na,Ca,K)8(Al6Si6O24)(SO4)2(OH)0.5 · H2O | Trig. 3 : P3 |
Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O | Hex. 6 : P63 |
Cancrisilite | Na7(Al5Si7O24)(CO3) · 3H2O | Hex. 6mm : P63mc |
Carbobystrite | Na8(Al6Si6O24)(CO3) · 3.5H2O | Trig. 3m : P3 1c |
Davyne | (Na,K)6Ca2(Al6Si6O24)(Cl2,SO4)2 | Hex. 6/m : P63/m |
Depmeierite | Na8(Al6Si6O24)(PO4,CO3)1-x · 3H2O (x | Hex. 6 : P63 |
Fantappièite | [Na82.5Ca33K16.5](Si99Al99O396)(SO4)33 · 4H2O | Trig. 3 : R3 |
Farneseite | (Na,Ca,K)56(Al6Si6O24)7(SO4)12 · 6H2O | Hex. 6/m : P63/m |
Franzinite | (Na,K)6Ca2(Al6Si6O24)(SO4)2 · 0.5H2O | Hex. |
Giuseppettite | (Na,K,Ca)7-8(Al6Si6O24)(SO4,Cl)1-2 | Trig. 3m : P3 1c |
Hydroxycancrinite | Na8(Al6Si6O24)(OH)2 · 2H2O | Hex. 6 : P63 |
Kircherite | Na5Ca2K(Al6Si6O24)(SO4)2 · 0.33H2O | Trig. 3 2 : R3 2 |
Kyanoxalite | Na7(Al6-xSi6+xO24)(C2O4)0.5+x · 5H2O (0 < x < 0.5) | Hex. 6 : P63 |
Liottite | (Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4 | Hex. 6 : P6 |
Marinellite | (Na,K)42Ca6(Al6Si6O24)6(SO4)8Cl2 · 3H2O | Trig. 3m : P3 1c |
Microsommite | Na4K2Ca2(Al6Si6O24)(SO4)Cl2 | Hex. 6 2 2 : P63 2 2 |
Pitiglianoite | Na6K2(Al6Si6O24)(SO4) · 2H2O | Hex. 6 : P63 |
Quadridavyne | (Na,K)6Ca2(Al6Si6O24)Cl4 | Hex. 6/m : P63/m |
Sacrofanite | (Na61K19Ca32)(Si84Al84O336)(SO4)26Cl2F6 · 2H2O | Hex. |
Slyudyankaite | Na28Ca4(Si24Al24O96)(SO4)6(S6)1/3(CO2) · 2H2O | Tric. 1 : P1 |
Steudelite | Na3(K17Ca7)Ca4(Al24Si24O96)(SO3)6F6 · 4H2O | Hex. 6 m2 : P62c |
Sulfhydrylbystrite | Na5K2Ca[Al6Si6O24](S5)2(SH) | Trig. 3m : P3 1c |
Tounkite | (Na,Ca,K)8(Al6Si6O24)(SO4)2Cl · H2O | Hex. 6 2 2 : P62 2 2 |
UM2004-48-SiO:AlClCaNaS | (Na,Ca)8(Si6Al6)O24(SO4)1.7Cl1.3 | |
UM2009-23-SiO:AlCCaClHKNaS | (Na,Ca)24K10[(Si,Al)60O120](SO4)5.6Cl1.5(CO3)0.4 · 11H2O | Trig. 3 : P3 |
Vishnevite | (Na,K)8(Al6Si6O24)(SO4,CO3) · 2H2O | Hex. 6 : P63 |
Common Associates
Associated Minerals Based on Photo Data:
9 photos of Bystrite associated with Lazurite | Na7Ca(Al6Si6O24)(SO4)(S3) · H2O |
4 photos of Bystrite associated with Calcite | CaCO3 |
2 photos of Bystrite associated with Diopside | CaMgSi2O6 |
2 photos of Bystrite associated with Phlogopite | KMg3(AlSi3O10)(OH)2 |
1 photo of Bystrite associated with Sulfhydrylbystrite | Na5K2Ca[Al6Si6O24](S5)2(SH) |
Related Minerals - Strunz-mindat Grouping
9.FB. | Steudelite | Na3(K17Ca7)Ca4(Al24Si24O96)(SO3)6F6 · 4H2O |
9.FB. | Sapozhnikovite | Na8(Al6Si6O24)(HS)2 |
9.FB. | Betzite | Na6Ca2(Al6Si6O24)Cl4 |
9.FB. | Slyudyankaite | Na28Ca4(Si24Al24O96)(SO4)6(S6)1/3(CO2) · 2H2O |
9.FB. | Bolotinaite | (Na7◻)(Al6Si6O24)F · 4H2O |
9.FB. | Wenlanzhangite-(Y) | Y2V3+2V4+2(SiO4)2O4(OH)4 |
9.FB.05 | Afghanite | (Na,K)22Ca10(Si24Al24O96)(SO4)6Cl6 |
9.FB.05 | Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
9.FB.05 | Cancrisilite | Na7(Al5Si7O24)(CO3) · 3H2O |
9.FB.05 | Davyne | (Na,K)6Ca2(Al6Si6O24)(Cl2,SO4)2 |
9.FB.05 | Franzinite | (Na,K)6Ca2(Al6Si6O24)(SO4)2 · 0.5H2O |
9.FB.05 | Giuseppettite | (Na,K,Ca)7-8(Al6Si6O24)(SO4,Cl)1-2 |
9.FB.05 | Hydroxycancrinite | Na8(Al6Si6O24)(OH)2 · 2H2O |
9.FB.05 | Liottite | (Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4 |
9.FB.05 | Microsommite | Na4K2Ca2(Al6Si6O24)(SO4)Cl2 |
9.FB.05 | Pitiglianoite | Na6K2(Al6Si6O24)(SO4) · 2H2O |
9.FB.05 | Quadridavyne | (Na,K)6Ca2(Al6Si6O24)Cl4 |
9.FB.05 | Sacrofanite | (Na61K19Ca32)(Si84Al84O336)(SO4)26Cl2F6 · 2H2O |
9.FB.05 | Tounkite | (Na,Ca,K)8(Al6Si6O24)(SO4)2Cl · H2O |
9.FB.05 | Vishnevite | (Na,K)8(Al6Si6O24)(SO4,CO3) · 2H2O |
9.FB.05 | Marinellite | (Na,K)42Ca6(Al6Si6O24)6(SO4)8Cl2 · 3H2O |
9.FB.05 | Farneseite | (Na,Ca,K)56(Al6Si6O24)7(SO4)12 · 6H2O |
9.FB.05 | Alloriite | (Na,Ca,K)26Ca4(Al6Si6O24)4(SO4)6Cl6 |
9.FB.05 | Biachellaite | (Na,Ca,K)8(Al6Si6O24)(SO4)2(OH)0.5 · H2O |
9.FB.05 | Fantappièite | [Na82.5Ca33K16.5](Si99Al99O396)(SO4)33 · 4H2O |
9.FB.05 | Kyanoxalite | Na7(Al6-xSi6+xO24)(C2O4)0.5+x · 5H2O (0 < x < 0.5) |
9.FB.05 | Balliranoite | (Na,K)6Ca2(Si6Al6O24)Cl2(CO3) |
9.FB.05 | Carbobystrite | Na8(Al6Si6O24)(CO3) · 3.5H2O |
9.FB.05 | Depmeierite | Na8(Al6Si6O24)(PO4,CO3)1-x · 3H2O (x |
9.FB.05 | Kircherite | Na5Ca2K(Al6Si6O24)(SO4)2 · 0.33H2O |
9.FB.05 | Sulfhydrylbystrite | Na5K2Ca[Al6Si6O24](S5)2(SH) |
9.FB.10 | Bicchulite | Ca2(Al2SiO6)(OH)2 |
9.FB.10 | Danalite | Be3Fe2+4(SiO4)3S |
9.FB.10 | Genthelvite | Be3Zn4(SiO4)3S |
9.FB.10 va | Hackmanite | Na8Al6Si6O24(Cl2,S) |
9.FB.10 | Haüyne | Na3Ca(Si3Al3)O12(SO4) |
9.FB.10 | Helvine | Be3Mn2+4(SiO4)3S |
9.FB.10 | Kamaishilite | Ca2(Al2SiO6)(OH)2 |
9.FB.10 | Lazurite | Na7Ca(Al6Si6O24)(SO4)(S3) · H2O |
9.FB.10 | Nosean | Na8(Al6Si6O24)(SO4) · H2O |
9.FB.10 | Sodalite | Na4(Si3Al3)O12Cl |
9.FB.10 | Tsaregorodtsevite | (N(CH3)4)(AlSi5O12) |
9.FB.10 | Tugtupite | Na4BeAlSi4O12Cl |
9.FB.10 | Vladimirivanovite | Na6Ca2(Al6Si6O24)(SO4,S3,S2,Cl)2 · H2O |
9.FB.15 | Marialite | Na4Al3Si9O24Cl |
9.FB.15 | Meionite | Ca4Al6Si6O24CO3 |
9.FB.15 | Silvialite | (Ca,Na)4(Al6Si6O24)(SO4,CO3) |
Other Information
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 Bystrite
mindat.org URL:
https://www.mindat.org/min-813.html
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References for Bystrite
Reference List:
Hassan, I., Grundy, H. D. (1984) The crystal structures of sodalite-group minerals. Acta Crystallographica Section B Structural Science, 40 (1) 6-13 doi:10.1107/s0108768184001683
Sapozhnikov, A. N., Kaneva, E. V., Suvorova, L. F., Levitsky, V. I., Ivanova, L. A. (2017) Sulfhydrylbystrite, Na5K2Ca(Al6Si6O24)(S5)(SH), a new mineral with the LOS framework, and re-interpretation of bystrite: cancrinite-group minerals with novel extra-framework anions. Mineralogical Magazine, 81 (2) 383-402 doi:10.1180/minmag.2016.080.106
Chukanov, Nikita V., Sapozhnikov, Anatoly N., Kaneva, Ekaterina V., Varlamov, Dmitry A., Vigasina, Marina F. (2023) Bystrite, Na7Ca(Al6Si6O24)S52–Cl–: formula redefinition and relationships with other four-layer cancrinite-group minerals. Mineralogical Magazine, 87 (3) 455-464 doi:10.1180/mgm.2023.29
Localities for Bystrite
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
Russia (TL) | |
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Malo-Bystrinskoe lazurite deposit, Malaya Bystraya River Valley, Slyudyanka, Lake Baikal area, Irkutsk Oblast, Russia