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Bystrite

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Formula:
(Na,K)7Ca(Al6Si6O24)(S3)1.5 · H2O
System:
Hexagonal
Colour:
yellow
Hardness:
5
Name:
Apparently named for the occurrence in the Malaya Bystraya deposit, Russia.

Classification of Bystrite

Approved 1990
9.FB.05

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
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Type Occurrence of Bystrite

Year of Discovery:
1990

Physical Properties of Bystrite

Colour:
yellow
Streak:
pale yellow
Hardness (Mohs):
5
Cleavage:
Distinct/Good

Crystallography of Bystrite

Crystal System:
Hexagonal
Cell Parameters:
a = 12.85Å, c = 10.7Å
Ratio:
a:c = 1 : 0.833
Unit Cell Volume:
V 1,530.10 ų (Calculated from Unit Cell)

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.
Surface Relief:
Moderate

Chemical Properties of Bystrite

Formula:
(Na,K)7Ca(Al6Si6O24)(S3)1.5 · H2O
Essential elements:
All elements listed in formula:
Common Impurities:
Cl

Relationship of Bystrite to other Species

Other Members of Group:
Afghanite(Na,Ca,K)8(Al6Si6O24)(Cl2,SO4,CO3)3 · 0.5H2O
Alloriite(Na,Ca,K)26Ca4(Al6Si6O24)4(SO4)6Cl6
Balliranoite(Na,K)6Ca2(Si6Al6O24)Cl2(CO3)
Biachellaite(Na,Ca,K)8(Al6Si6O24)(SO4)2(OH)0.5 · H2O
Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
CancrisiliteNa7(Al5Si7O24)(CO3) · 3H2O
Davyne(Na,K)6Ca2(Al6Si6O24)(Cl2,SO4)2
DepmeieriteNa8(Al6Si6O24)(PO4,CO3)1-x · 3H2O (x<0.5)
Franzinite(Na,K)6Ca2(Al6Si6O24)(SO4)2 · 0.5H2O
Giuseppettite(Na,K,Ca)7-8(Al6Si6O24)(SO4,Cl)1-2
HydroxycancriniteNa8(Al6Si6O24)(OH)2 · 2H2O
KircheriteNa5Ca2K(Al6Si6O24)(SO4)2 · 0.33H2O
KyanoxaliteNa7(Al6-xSi6+xO24)(C2O4)0.5+x · 5H2O (0 < x < 0.5)
Liottite(Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4
Marinellite(Na,K)42Ca6(Al6Si6O24)6(SO4)8Cl2 · 3H2O
MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
PitiglianoiteNa6K2(Al6Si6O24)(SO4) · 2H2O
Quadridavyne(Na,K)6Ca2(Al6Si6O24)Cl4
Sacrofanite(Na,K)98Ca20(Al6Si6O24)14(SO4)26Cl2 · 8H2O
Tounkite(Na,Ca,K)8(Al6Si6O24)(SO4)2Cl · H2O
Vishnevite(Na,K)8(Al6Si6O24)(SO4,CO3) · 2H2O
9.FB.05Afghanite(Na,Ca,K)8(Al6Si6O24)(Cl2,SO4,CO3)3 · 0.5H2O
9.FB.05Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
9.FB.05CancrisiliteNa7(Al5Si7O24)(CO3) · 3H2O
9.FB.05Davyne(Na,K)6Ca2(Al6Si6O24)(Cl2,SO4)2
9.FB.05Franzinite(Na,K)6Ca2(Al6Si6O24)(SO4)2 · 0.5H2O
9.FB.05Giuseppettite(Na,K,Ca)7-8(Al6Si6O24)(SO4,Cl)1-2
9.FB.05HydroxycancriniteNa8(Al6Si6O24)(OH)2 · 2H2O
9.FB.05Liottite(Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4
9.FB.05MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
9.FB.05PitiglianoiteNa6K2(Al6Si6O24)(SO4) · 2H2O
9.FB.05Quadridavyne(Na,K)6Ca2(Al6Si6O24)Cl4
9.FB.05Sacrofanite(Na,K)98Ca20(Al6Si6O24)14(SO4)26Cl2 · 8H2O
9.FB.05Tounkite(Na,Ca,K)8(Al6Si6O24)(SO4)2Cl · H2O
9.FB.05Vishnevite(Na,K)8(Al6Si6O24)(SO4,CO3) · 2H2O
9.FB.05Marinellite(Na,K)42Ca6(Al6Si6O24)6(SO4)8Cl2 · 3H2O
9.FB.05Farneseite(Na,Ca,K)56(Al6Si6O24)7(SO4)12 · 6H2O
9.FB.05Alloriite(Na,Ca,K)26Ca4(Al6Si6O24)4(SO4)6Cl6
9.FB.05Fantappièite[Na82.5Ca33K16.5](Si99Al99O396)(SO4)33 · 4H2O
9.FB.05KyanoxaliteNa7(Al6-xSi6+xO24)(C2O4)0.5+x · 5H2O (0 < x < 0.5)
9.FB.05Balliranoite(Na,K)6Ca2(Si6Al6O24)Cl2(CO3)
9.FB.05CarbobystriteNa8(Al6Si6O24)(CO3) · 3.5H2O
9.FB.05DepmeieriteNa8(Al6Si6O24)(PO4,CO3)1-x · 3H2O (x<0.5)
9.FB.05KircheriteNa5Ca2K(Al6Si6O24)(SO4)2 · 0.33H2O
9.FB.10BicchuliteCa2(Al2SiO6)(OH)2
9.FB.10DanaliteFe42+(Be3Si3O12)S
9.FB.10GenthelviteZn4(Be3Si3O12)S
9.FB.10Haüyne(Na,Ca)4-8(Al6Si6O24)(SO4,S,Cl)1-2
9.FB.10HelvineMn42+(Be3Si3O12)S
9.FB.10KamaishiliteCa2(Al2SiO6)(OH)2
9.FB.10LazuriteNa6 Ca2(Al6Si6O24)(SO4,S,S2, S3,Cl,OH)2
9.FB.10NoseanNa8(Al6Si6O24)(SO4) · H2O
9.FB.10SodaliteNa8(Al6Si6O24)Cl2
9.FB.10Tsaregorodtsevite(N(CH3)4)(AlSi5O12)
9.FB.10TugtupiteNa4(AlBeSi4O12)Cl
9.FB.15MarialiteNa4Al3Si9O24Cl
9.FB.15MeioniteCa4Al6Si6O24CO3
9.FB.15Silvialite(Ca,Na)4(Al6Si6O24)(SO4,CO3)

Other Names for Bystrite

Name in Other Languages:
German:Bystrit
Spanish:Bystrita

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.

References for Bystrite

Reference List:
New Mins. (1997), New Minerals 1990-1994.

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 120(3): 97-100.

Doklady Akademii Nauk SSSR: 319(4): 873-878.

Internet Links for Bystrite

Localities for Bystrite

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Russia (TL)
 
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Irkutskaya Oblast'
        • Lake Baikal area
          • Slyudyanka (Sludyanka)
            • Malaya Bystraya River Valley
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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