Bystrite  Mineral Data

Bystrite Mineral Data

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General Bystrite Information

Help on Chemical  Formula: Chemical Formula: (Na,K)7Ca(Si6Al6)O24S4.5•(H2O)
Help on Composition: Composition: Molecular Weight = 1,106.92 gm
   Potassium   6.36 %  K     7.66 % K2O
   Sodium     10.80 %  Na   14.56 % Na2O
   Calcium     3.62 %  Ca    5.07 % CaO
   Aluminum   14.14 %  Al   26.71 % Al2O3
   Silicon    15.73 %  Si   33.65 % SiO2
   Hydrogen    0.18 %  H     1.63 % H2O
   Sulfur     13.04 %  S    13.04 % S2-
                -   %  S    -6.50 % -O=S 
   Oxygen     36.13 %  O
             ______        ______ 
             100.00 %       95.81 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na5.2K1.8CaSi6.2Al5.8O24S4.5•(H2O)
Help on Environment: Environment: In a lazurite deposit.
Help on IMA Status: IMA Status: Approved IMA 1991
Help on Locality: Locality: In the Malaya Bystraya lazurite deposit, south of Lake Baikal, Siberia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the locality.
Help on Name Pronunciation: Name Pronunciation: Bystrite Say BYSTRITE
Help on Synonym: Synonym: ICSD 39458
  IMA1990-008
  PDF 45-1373
 

Bystrite Image

Click Here for Larger Bystrite Image in a New Browser Window Images:
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Bystrite   Lazulite

Comments: Brownish-yellow bystrite grains with blue lazulite in an igneous rock.
Location: Malo-Bystrinskoye lazurite deposit, Tunka Valley, Sludyanka, Lake Baikal Region, Russia. Scale: Picture size 7 mm.
© Thomas Witzke / Abraxas-Verlag

Bystrite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.83236
Help on Cell Dimensions: Cell Dimensions: a = 12.855, c = 10.7, Z = 2; V = 1,531.29 Den(Calc)= 2.40
Help on Crystal System: Crystal System: Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: P 31c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.72(1), 3.313(0.9), 3.919(0.8),2.676(0.7), 4.824(0.7),
Click Here for Large Bystrite Structure Window Crystal Structure:

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Help on Above


Pobedimskaya E A , Terent eva L E , Sapozhnikov A N , Kashaev A A , Dorokhova G I , Doklady Akademii Nauk SSSR , 319 (1991) p.873-878, Crystal structure of bystrite

 

Physical Properties of Bystrite

Help on Cleavage: Cleavage: {1010} Good, {???} Poor
Help on Color: Color: Yellow.
Help on Density: Density: 2.43
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: light yellow
 

Optical Properties of Bystrite

Help on Dichroism (e): Dichroism (e): colorless.
Help on Dichroism (w): Dichroism (w): deep yellow.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.39 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.407 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2592,KPDmeas= 0.256,KC= 0.1841
Ncalc = 1.44 - 1.45
Help on Optical Data: Optical Data: Uniaxial (+), w=1.584, e=1.66, bire=0.0760.
 

Calculated Properties of Bystrite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.40 gm/cc
note: Specific Gravity of Bystrite =2.43 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0085543004
Boson Index = 0.9914456996
Help on Photoelectric: Photoelectric: PEBystrite = 2.97 barns/electron
U=PEBystrite x relectron= 7.14 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 90.74 (Gamma Ray American Petroleum Institute Units)
Concentration of Bystrite per GRapi unit = 1.10 (%)

Estimated Radioactivity from Bystrite - barely detectable

 

Bystrite Classification

Help on  Dana Class: Dana Class: 76.02.05.02 (76)Tectosilicate Al-Si Framework
  (76.02)Feldspathoids and related species
  (76.02.05)Cancrinite group
 
76.02.05.01 Afghanite (Na,Ca,K)8(Si,Al)12O24(SO4,Cl,CO3)3•(H2O) P 63/mmc, P 63mc, or P 62c Hex
 
76.02.05.02 Bystrite (Na,K)7Ca(Si6Al6)O24S4.5•(H2O) P 31c 3m
 
76.02.05.03 Cancrinite Na6Ca2Al6Si6O24(CO3)2 P 63 6
 
76.02.05.04 Cancrisilite Na7Al5Si7O24(C03)•3(H2O) P 63 6
 
76.02.05.05 Davyne Na4K2Ca2Si6Al6O24(SO4)Cl2 P 63/m 6/m
 
76.02.05.06 Franzinite [(Na,K)30Ca10][Si30Al30O120](SO4)10•2(H2O) P 321 3 2
 
76.02.05.07 Giuseppettite [Na42K16Ca6]S64Si48Al48O192(SO4)10Cl2•5H2O P 31c 3m
 
76.02.05.08 Hydroxycancrinite Na4(AlSiO4)3(OH)•(H2O) P 63 6
 
76.02.05.09 Liottite (Ca,Na,K)8(Si,Al)12O24[(SO4),(CO3),Cl,OH]4•(H2O) P 6m2 6 m2
 
76.02.05.10 Microsommite (Na,Ca,K)7-8(Si,Al)12O24(Cl,SO4)2-3 P 6322 6 2 2
 
76.02.05.11 Pitiglianoite Na6K2Si6Al6O24(SO4)•2(H2O) P 63 6
 
76.02.05.12 Quadridavyne (Na,K)6Ca2Al6Si6O24Cl4 P 63/m 6/m
 
76.02.05.13 Sacrofanite (Na,Ca,K)9Si6Al6O24[(OH),(SO4),(CO3),Cl)]4•n(H2O) P 63/mmc ? 6/m 2/m 2/m
 
76.02.05.14 Tounkite (Na,Ca,K)8Al6Si6O24(SO4)2Cl•(H2O) P 6222 6 2 2
 
76.02.05.15 Vishnevite (Na,Ca,K)6(Si,Al)12O24[(SO4),(CO3),Cl2]2-4•n(H2O) P 6322 6 2 2
 
76.02.05.16 Wenkite Ba4Ca6(Si,Al)20O39(OH)2(SO4)3•n(H2O)(?) P 62m 6 m2
 
76.02.05.17 Marinellite! [(Na,K)42Ca6](Si36Al36O144)(SO4)8Cl2•6(H2O) P 31c or P 2c Trig
 
76.02.05.18 Farneseite! (Na37K9Ca10)S56(Si42Al42)S84O168(SO4)12•6(H2O) P 63/m 6/m 2/m 2/m
 
76.02.05.19 Alloriite! Na5K1.5Ca(Si6Al6O24)(SO4)(OH)0.5•H2O P 31c 3m
 
76.02.05.20 Biachellaite (Na,Ca,K)8(Si6Al6O24)(SO4)2(OH)0.5•H2O P 3 3
 
76.02.05.21 IMA2008-006! [Na82.5Ca33K16.5](Si99Al99O396)(SO4)33•4H2O P 3 3
 
76.02.05.22 Kyanoxalite! Na7(Al5-6Si6-7O24)(C2O4)0.5-1.0•5H2O P 63 6
 
76.02.05.23 IMA2008-065! (Na,K)6Ca2(Si6Al6O24)Cl2(CO3) P 63 6
Help on  Strunz Class: Strunz Class: 09.FB.05 09 - SILICATES (Germanates)
  09.F - Tektosilicates without Zeolitic H2O
  09.FB -Tektosilicates with additional anions
 
09.FB.05 Bystrite (Na,K)7Ca(Si6Al6)O24S4.5•(H2O) P 31c 3m
 
09.FB.05 Afghanite (Na,Ca,K)8(Si,Al)12O24(SO4,Cl,CO3)3•(H2O) P 63/mmc, P 63mc, or P 62c Hex
 
09.FB.05 Cancrisilite Na7Al5Si7O24(C03)•3(H2O) P 63 6
 
09.FB.05 Cancrinite Na6Ca2Al6Si6O24(CO3)2 P 63 6
 
09.FB.05 Hydroxycancrinite Na4(AlSiO4)3(OH)•(H2O) P 63 6
 
09.FB.05 Franzinite [(Na,K)30Ca10][Si30Al30O120](SO4)10•2(H2O) P 321 3 2
 
09.FB.05 Liottite (Ca,Na,K)8(Si,Al)12O24[(SO4),(CO3),Cl,OH]4•(H2O) P 6m2 6 m2
 
09.FB.05 Davyne Na4K2Ca2Si6Al6O24(SO4)Cl2 P 63/m 6/m
 
09.FB.05 Giuseppettite [Na42K16Ca6]S64Si48Al48O192(SO4)10Cl2•5H2O P 31c 3m
 
09.FB.05 Quadridavyne (Na,K)6Ca2Al6Si6O24Cl4 P 63/m 6/m
 
09.FB.05 Pitiglianoite Na6K2Si6Al6O24(SO4)•2(H2O) P 63 6
 
09.FB.05 Microsommite (Na,Ca,K)7-8(Si,Al)12O24(Cl,SO4)2-3 P 6322 6 2 2
 
09.FB.05 Vishnevite (Na,Ca,K)6(Si,Al)12O24[(SO4),(CO3),Cl2]2-4•n(H2O) P 6322 6 2 2
 
09.FB.05 Sacrofanite (Na,Ca,K)9Si6Al6O24[(OH),(SO4),(CO3),Cl)]4•n(H2O) P 63/mmc ? 6/m 2/m 2/m
 
09.FB.05 Marinellite! [(Na,K)42Ca6](Si36Al36O144)(SO4)8Cl2•6(H2O) P 31c or P 2c Trig
 
09.FB.05 Tounkite (Na,Ca,K)8Al6Si6O24(SO4)2Cl•(H2O) P 6222 6 2 2
 
09.FB.05 IMA2008-065! (Na,K)6Ca2(Si6Al6O24)Cl2(CO3) P 63 6
 
09.FB.05 Farneseite! (Na37K9Ca10)S56(Si42Al42)S84O168(SO4)12•6(H2O) P 63/m 6/m 2/m 2/m
 
09.FB.05 Biachellaite (Na,Ca,K)8(Si6Al6O24)(SO4)2(OH)0.5•H2O P 3 3
 
09.FB.05 IMA2008-006! [Na82.5Ca33K16.5](Si99Al99O396)(SO4)33•4H2O P 3 3
 
09.FB.05 Alloriite! Na5K1.5Ca(Si6Al6O24)(SO4)(OH)0.5•H2O P 31c 3m
 

Other Bystrite Information

Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(AntBidBlaNic2)
Help on See Also: See Also: Links to other databases for Bystrite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Print or Cut-and-Paste your Bystrite Specimen Label here :

Bystrite

(Na,K)7Ca(Si6Al6)O24S4.5•(H2O)
Dana No: 76.02.05.02 Strunz No: 09.FB.05
Locality:

 

Notes: