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Sacrofanite

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Sacrofanite
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Sacrofanite
Glassy grains,; FOV 5 x 5 mm; Turii alkaline Massif , Kola Peninsula, Murmanskaja Oblast', Russia
Copyright: Roberto Bosi; Contribution: Roberto Bosi
Collection: Roberto Bosi
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Turii Kap/Turii Alkali-Massiv
Mineral: Sacrofanite
Image: 1401622402
License: Usage for Mineralienatlas project only
Sacrofanite

Glassy grains,; FOV 5 x 5 mm; Turii alkaline Massif , Kola Peninsula, Murmanskaja Oblast', Russia
Collection: Roberto Bosi
Copyright: Roberto Bosi
Contribution: Roberto Bosi 2014-06-01
Locality: Turii Alkali-Massiv / Turii Kap / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color farblos
Hardness (Mohs) 5.75
Solubility +++ Säuren
Crystal System hexagonal, P62c

Chemism

Chemical formula

(Na,Ca,K)9(Si,Al)12O24[(OH)2,(SO4),(CO3),Cl2)]3·0.5 H2O

Chemical composition

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

Unit weight: 1118.68767238 u; Number of atoms in the formula: 52.6

Info

Empirical formula:

(Na0.6Ca0.3K0.1)9(Si0.75Al0.25)12O24[((OH)2)0.55((SO4))0.3((CO3))0.1(Cl2))0.05]3·0.5H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.19

2.1

3.99

1.0079470

2.1166887
Carbon

C

0.11

0.1

0.19

12.0107800

1.2010780
Oxygen

O

38.76

27.1

51.52

15.9994300

433.5845530
Sodium

Na

11.10

5.4

10.27

22.9897702

124.1447591
Aluminium

Al

7.24

3

5.70

26.9815382

80.9446146
Silicon

Si

22.60

9

17.11

28.0855300

252.7697700
Sulfur

S

0.86

0.3

0.57

32.0655000

9.6196500
Chlorine

Cl

6.34

2

3.80

35.4532000

70.9064000
Potassium

K

3.15

0.9

1.71

39.0983100

35.1884790
Calcium

Ca

9.67

2.7

5.13

40.0784000

108.2116800

Analysis wt%

SiO2 : 33.06, Al2O3 : 24.94, CaO : 8.76, Na2O : 16.50, K2O : 5.56, H2O : 2.47, CO2 : 1.00, SO3 : 7.77, Cl : 0.59 (Ref: Neues Jahrbuch für Mineralogie, (Monatshefte) 80)

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.09-060

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

Classification by Hölzel

9.FE.270

9: SILICATES
F: Tektosilicates
E: Hexagonal or trigonal with other Anions
2: Liottite-Group - hexagonal, axis for a~~12A and c=n*~~5A, n>1

Dana 8th edition

76.02.05.13

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

IMA Classification

IMA Classification

 Cancrinit–Sodalit supergroup

Optical Properties

Color

farblos

max. Birefringence

0.019
Birefringence chart\! Sacrofanite title=Birefringence chart Sacrofanite

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

1.505

RI value γ / ε

1.486

Ri mean

1.499

2V angle

Uniaxial (-)

Crystallography

Crystal System

hexagonal

Class (H-M)

6m2

Space Group number

190

Space Group

P62c

Cell parameters a (Å)

12.903

Cell parameters b (Å)

-

Cell parameters c (Å)

74.284

Cell parameters a/b or c/a

5.757

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

14

Volumne (ų)

10710.44

X-Ray Powder Diffraction

11.18(20),
3.757(20),
3.723(100),
3.488(30),
3.302(60),
2.674(100),
2.651(30),
2.645(30)
XRD chart Sacrofanite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.75

VHN (Hardness Vickers)

630 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.423 (gemessen)

2.428 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Italien/Latium (Lazio), Region/Rom, Provinz/Sacrofano/Sacrofano-Caldera/Biachella-Tal

Preface

Author (Name, Year)

Burragato & Parodi & Zanazzi, 1980

References

Neues Jahrbuch für Mineralogie, Abhandlungen 140 (1980), 102

IMA group assignments

 
Cancrinit–Sodalit supergroup
 
 
 

 
 
Cancrinite Group
 
 
 

 
 
 
Betzite
Na6Ca2(Al6Si6O24)Cl4
hexagonal
P63

 
 
 
Cancrinite Subgroup
 
 
 

 
 
 
 
Cancrinite
Na6Ca2Al6Si6O24(CO3)2
hexagonal
P63

 
 
 
 
Cancrisilite
Na7Al5Si7O24(CO3)·3H2O
hexagonal
P63mc

 
 
 
 
Hydroxycancrinite
(Na,Ca,K)8(Al6Si6O24)(OH,CO3)2·2H2O
hexagonal
P63

 
 
 
 
Pitiglianoite
Na6K2Si6Al6O24(SO4)·2H2O
hexagonal
P63

 
 
 
 
Vishnevite
Na8(Al6Si6)O24(SO4)·2H2O
hexagonal
P63

 
 
 
Davyne Subgroup
 
 
 

 
 
 
 
Balliranoite
(Na,K)6Ca2(Si6Al6O24)Cl2(CO3)
hexagonal
P63

 
 
 
 
Davyne
[(Na,K)6(SO4)0.5Cl][Ca2Cl2][(Si6Al6O24)]
hexagonal
P63

 
 
 
 
Microsommite
(Na,Ca,K)7-8(Si,Al)12O24(Cl,SO4,CO3)2-3
hexagonal
P63

 
 
 
 
Quadridavyne
(Na,K)6Ca2(Cl4)(Al6Si6O24)
hexagonal
P63/m

 
 
 
Steudelite
Na3(K17Ca7)Ca4(Al24Si24O96)(SO3)6F6·4H2O
hexagonal
P62c

 
 
 
Sulfhydrylbystrite
Na5K2Ca[Al6Si6O24](S5)2-(SH)-
trigonal
P31c

 
 
 
Tiptopite
K2(Na,Ca)2Li3Be6(PO4)6(OH)2·H2O
hexagonal
P63

 
 
Sacrofanite
(Na,Ca,K)9(Si,Al)12O24[(OH)2,(SO4),(CO3),Cl2)]3·0.5 H2O
hexagonal
P62c

 
 
Sodalite group
 
 
 

 
 
 
Berzeline (of Necker)
 
kubisch
P43n

 
 
 
Bolotinaite
(Na7☐)(Al6Si6O24)F·4H2O
kubisch
I43m

 
 
 
Haüyne
Na3Ca(Si3Al3)O12(SO4)
kubisch
P43n

 
 
 
Lazurite
Na7Ca(Al6Si6O24)(SO4)(S3)-⋅H2O
kubisch
P43n

 
 
 
Nosean
Na8Al6Si6O24(SO4)
kubisch
P43m

 
 
 
Sapozhnikovite
Na8(Al6Si6O24)(HS)2
kubisch
P43n

 
 
 
Slyudyankaite
Na28Ca4(Si24Al24O96)(SO4)6(S6)0.33(CO2)·2H2O
triklin
P1

 
 
 
Sodalite
Na4Al3Si3O12Cl
kubisch
P43n

 
 
 
Tsaregorodtsevite
N(CH3)4[AlSi5O12]
orthorhombisch
I222

 
 
 
Vladimirivanovite
Na6Ca2[Al6Si6O24](SO4,S3,S2,Cl)2·H2O
orthorhombisch
Pnaa

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Actuality: 04. Jun 2023 - 22:21:37

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Сакрофанит

CNMNC (IMA)-Number

IMA 1979-058

CNMNC symbol

Symbol

Scf

IDs

GUSID (Global unique identifier short form) a45GFypvKkuBd1nEs74bkQ
GUID (Global unique identifier) 17468E6B-6F2A-4B2A-8177-59C4B3BE1B91
Database ID 3355