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Bystrite

Pictures (3 Images total)

Bystrit (gelb) mit Lasurit (blau) in Calcitmarmor
Views (Image: 1240946588): 2679
Bystrit (gelb) mit Lasurit (blau) in Calcitmarmor

Größe: 35x35x20 mm; Fundort: Malo-Bystrinskoye, Sljudjanka, Baikalsee, Irkutsk, Sibirien, Russland

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-04-28
Locality: Malo-Bystrinskoye / Tounskinskaya-Tal / Sljudjanka (Sludyanka; Slyudyanka) / Baikalsee / Irkutsk (Irkutskaja), Oblast / Sibirien, Föderationskreis / Russland
Bystrit
Views (Image: 1583653851): 170
Bystrit

eingewachsene, gelbe Kristalle von Bystrit in blauem Hauyn (möglicherweise auch Lazulith) und weißem Calcit, Malo-Bystrinskoye, Sljudjanka, Baikalsee, Irkutsk, Russland; BB < 1 cm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-03-08
Locality: Malo-Bystrinskoye / Tounskinskaya-Tal / Sljudjanka (Sludyanka; Slyudyanka) / Baikalsee / Irkutsk (Irkutskaja), Oblast / Sibirien, Föderationskreis / Russland
Tounkit und Bystrit
Views (Image: 1583654090): 330
Tounkit und Bystrit

blaugrüne Massen von Tounkit neben gelben Bystrit, blauem Lazulith und weißem Calcit, Malo-Bystrinskoye, Sljudjanka, Baikalsee, Irkutsk, Russland; BB 2 mm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-03-08
Locality: Malo-Bystrinskoye / Tounskinskaya-Tal / Sljudjanka (Sludyanka; Slyudyanka) / Baikalsee / Irkutsk (Irkutskaja), Oblast / Sibirien, Föderationskreis / Russland

Collectors Summary

Color gelb
Streak color blassgelb
Hardness (Mohs) 5
Cleavages gut {100}
Solubility +++ verdünnte Säuren: gibt H2S ab, nach Erhitzen an der Luft auf800°C: d-grün
Crystal System trigonal, P31c

Chemism

Chem­ical formula

(Na,K)7Ca[Al6Si6O24](S)1.5·H2O

Chem­ical com­po­si­tion

Aluminium, Calcium, Natrium, Silicium, Kalium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 1009.69903925 u; Number of atoms in the formula: 48.5

Info

Empirical formula:

(Na0.75K0.25)7Ca[Al6Si6O24](S)1.5·H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.20

2

4.12

1.0079470

2.0158940

Oxygen

O

39.61

25

51.55

15.9994300

399.9857500

Sodium

Na

11.95

5.25

10.82

22.9897702

120.6962936

Aluminium

Al

16.03

6

12.37

26.9815382

161.8892292

Silicon

Si

16.69

6

12.37

28.0855300

168.5131800

Sulfur

S

4.76

1.5

3.09

32.0655000

48.0982500

Potassium

K

6.78

1.75

3.61

39.0983100

68.4220425

Calcium

Ca

3.97

1

2.06

40.0784000

40.0784000

Anal­y­sis wt%

SiO2 : 33.37, Al2O3 : 26.74, CaO : 5.10, Na2O : 14.42, K2O : 7.63, S : 12.03, SO3 : 0.50, H2O : 1.62 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 91)

Strunz 9th edi­tion incl. updates

9.FB.05

9: Silikate (Germanate)
F: Gerüstsilikate (Tektosilikate) ohne zeolithisches H2O
B: Gerüstsilikate (Tektosilicates) mit weiteren [Anionen]
05:Cancrinit-Gruppe

Lapis Clas­sifica­tion

VIII/J.09-045

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
9: Mit tetraederfremden Anionen; Cancrinit-Gruppe

Clas­sifica­tion by Hölzel

9.FE.600

9: SILICATES
F: Tektosilicates
E: Hexagonal or trigonal with other Anions
6: Afghanite-Group - trigonal, axis a~~12A and c=n*~~5A, n=1-5

Dana 8th edi­tion

76.02.05.02

76: Tektosilicates Tectosilicate Al-Si Framework
02: Tektosilicates Tectosilicate Al-Si Framework Feldspathoids and related species
05: Cancrinite group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

gelb

Streak color

blassgelb

max. Birefrin­gence

0.076

Birefringence chart\! Bystrite title=Birefringence chart Bystrite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.584

RI value γ / ε

1.660

Ri mean

1.609

2V angle

Uniaxial (-)

Crystallography

Crystal Sys­tem

trigonal

Class (H-M)

3m

Space Group number

159

Space Group

P31c

Cell param­e­ters a (Å)

12.855

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

10.700

Cell param­e­ters a/b or c/a

0.832

Cell param­e­ters c/b

-

Z

2

Volumne (ų)

1531.294

X-Ray Pow­der Diffrac­tion

4.824(70),
3.919(80),
3.720(100),
3.396(20),
3.313(90),
2.694(30),
2.676(70),
2.471(30)

XRD chart Bystrite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

5

VHN (Hard­ness Vick­ers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.43 (gemessen)

2.19 ( ρ calc. Mineralienatlas )

Cleav­ages

gut {100}

Insta­bil­ity

+++ verdünnte Säuren: gibt H2S ab, nach Erhitzen an der Luft auf800°C: d-grün

Preface

Author (Name, Year)

Sapozhnikov & Ivanov & Piskunova & Kashaev & Terentieva & Pobedimskaya

References

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 120 (3) (1991), 97

Other languages

German

Bystrit

Spanish

Bystrita

English

Bystrite

French

Bystrite

Russian

Быстрит

CNMNC (IMA)-Number

IMA 1990-008

CNMNC symbol

Symbol

Bys

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Bystrit
Google-Bilder-Suche - search for: Bystrit
Mineralienatlas.de (Forum) - search for: Bystrit

English pages

Mindat - search for: Bystrite
Webmineral - search for:Bystrite
Handbook-of-Mineralogy - search for: Bystrite
RRUFF - Raman, XRD and other mineral data - search for: Bystrite
RRUFF - References and PDF downloads - search for: Bystrite
American-Mineralogist-Crystal-Structure-Database - search for: Bystrite
Strahlen.org - search for: Bystrite

Russian pages

Webmineral.ru - search for: Быстрит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Bystrit
Crystal-Treasure.com - search for: Bystrit
Bosse - search for: Bystrit
Edelsteine Neuburg - Gundolf Fischer - search for: Bystrit

Locations with GPS information