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Hydroxycancrinite

Pictures (1 Images total)

Hydroxycancrinit
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Hydroxycancrinit
derber, blauer Hydoxycancrinit mit Aegirin und Eudialyt,; Bildbreite 2,5 cm; Fundort: Lovozero, Alluaiv Mt.
Copyright: uwe; Contribution: uwe
Collection: uwe
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Alluaiv
Mineral: Hydroxycancrinite
Image: 1446843093
License: Usage for Mineralienatlas project only
Hydroxycancrinit

derber, blauer Hydoxycancrinit mit Aegirin und Eudialyt,; Bildbreite 2,5 cm; Fundort: Lovozero, Alluaiv Mt.
Collection: uwe
Copyright: uwe
Contribution: uwe 2015-11-06
Locality: Alluaiv / Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color farblos, hellblau
Streak color weiß
Hardness (Mohs) 5.00 - 6.00
Cleavages vollkommen {001}
Fracture treppenartig
Solubility +++ Säuren
Crystal System hexagonal, P63

Chemism

Chemical formula

(Na,Ca,K)8(Al6Si6O24)(OH,CO3)2·2H2O

Chemical composition

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

Unit weight: 1043.75268266 u; Number of atoms in the formula: 55

Info

Empirical formula:

(Na0.6Ca0.3K0.1)8(Al6Si6O24)((OH)0.75(CO3)0.25)2·2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.53

5.5

10.00

1.0079470

5.5437085
Carbon

C

0.58

0.5

0.91

12.0107800

6.0053900
Oxygen

O

44.45

29

52.73

15.9994300

463.9834700
Sodium

Na

10.57

4.8

8.73

22.9897702

110.3508970
Aluminium

Al

15.51

6

10.91

26.9815382

161.8892292
Silicon

Si

16.14

6

10.91

28.0855300

168.5131800
Potassium

K

3.00

0.8

1.45

39.0983100

31.2786480
Calcium

Ca

9.22

2.4

4.36

40.0784000

96.1881600

Analysis wt%

Na2O : 23.43, K2O : 0.45, CaO : 0.92, Al2O3 : 31.15, SiO2 : 36.32, CO2 : 1.59, H2O : 5.41 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 92)

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.09-005

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

Classification by Hölzel

9.FE.160

9: SILICATES
F: Tektosilicates
E: Hexagonal or trigonal with other Anions
1: Cancrinite-Group - hexagonal, axis for a~~12A and c~~5A

Dana 8th edition

76.02.05.08

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  ⇒ Cancrinite Group  ⇒ Cancrinite Subgroup

Optical Properties

Color

farblos, hellblau

Streak color

weiß

max. Birefringence

0.007
Birefringence chart\! Hydroxycancrinite title=Birefringence chart Hydroxycancrinite

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

1.494

RI value γ / ε

1.501

Ri mean

1.496

2V angle

Uniaxial (+)

Crystallography

Crystal System

hexagonal

Class (H-M)

6

Space Group number

173

Space Group

P63

Cell parameters a (Å)

12.74

Cell parameters b (Å)

-

Cell parameters c (Å)

5.183

Cell parameters a/b or c/a

0.407

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

1

Volume (ų)

728.535

X-Ray Powder Diffraction

6.43(20),
4.70(60),
4.17(20),
3.68(70),
3.26(100),
2.756(50),
2.592(20),
2.433(30)
XRD chart Hydroxycancrinite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.00 - 6.00

VHN (Hardness Vickers)

730 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.32 (gemessen)

2.379 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {001}

Fracture

treppenartig

Tenacity

spröde

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Karnasurt, Berg

Preface

Author (Name, Year)

Khomyakov & Nadezhina & Rastsvetaeva & Pobedimskaya, 1992

References

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 121 (1992) (1), 100

IMA group assignments

 
Cancrinit–Sodalit supergroup
 
 
 

 
 
Cancrinite Group
 
 
 

 
 
 
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

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Actuality: 25. Apr 2025 - 01:45:27

Other languages

Spanish

Hidroxicancrinita

German

Hydroxycancrinit

French

Hydroxycancrinite

English

Hydroxycancrinite

Russian

Гидроксиканкринит

Alternative Name

Spanish

Hydroxycancrinita

English

Hydroxylvishnevite

CNMNC (IMA)-Number

IMA 1990-014

CNMNC symbol

Symbol

Hccn

IDs

GUSID (Global unique identifier short form) lUi_5d17AkCqw9gbcJjuFw
GUID (Global unique identifier) E5BF4895-7BDD-4002-AAC3-D81B7098EE17
Database ID 1679