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Cannilloite

Collectors Summary

Crystal System monoklin, C2/m

Additional information / Summary

Theorethisches Mineral

Das Typmineral für "Cannilloit" wurde als zu Fluor-reich festgestellt und in in "Fluoro-Cannilloit" umbenannt. Die IMA hat den Namen und die ursprüngliche Formel beibehalten, aber es wurde in der Natur noch nicht gefunden.

Chemism

Chemical formula

CaCa2(Mg4Al)(Si5Al3)O22(OH)2

Chemical composition

Aluminium, Calcium, Magnesium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 851.8114568 u; Number of atoms in the formula: 42

Info

Empirical formula:

CaCa2(Mg4Al)(Si5Al3)O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.24

2

4.76

1.0079470

2.0158940
Oxygen

O

45.08

24

57.14

15.9994300

383.9863200
Magnesium

Mg

11.41

4

9.52

24.3050600

97.2202400
Aluminium

Al

12.67

4

9.52

26.9815382

107.9261528
Silicon

Si

16.49

5

11.90

28.0855300

140.4276500
Calcium

Ca

14.12

3

7.14

40.0784000

120.2352000

Strunz 9th edition incl. updates

9.DE.10

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
E: Ketten- und Bandsilikate mit 2-periodischen Doppelketten, Si4O11; Amphibol-Familie, Klinoamphibole
10:Amphibole: Ca

Classification by Hölzel

9.DH.910

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
H: Amphiboles; Calcic Amphiboles
9: Cannilloite-Group

Dana 8th edition

66.01.03a.20a

66: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2
01: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2 with P=2 amphibole configuration
03a: Group 2, the calcic amphiboles

IMA status

wurde noch nicht gefunden, Original war Fluoro-Cannilloit

Mineral status

Mineralstatus fragwürdig

IMA Classification

IMA Classification

 Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Calcium amphiboles  ⇒ Cannilloite (Can) amphiboles

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters α

90°

Cell parameters γ

90°

Preface

Author (Name, Year)

Leake et al., 1997

References

Canadian Mineralogist 35 (1997), 219

Frank C. Hawthorne, Roberta Oberti, George E. Harlow, Walter V. Maresch, Robert F. Martin, John C. Schumacer, Mark D. Welch (2012): Nomenclature of the amphibole supergroup, American Mineralogist, Volume 97, pages 2031–2048

IMA group assignments

 
Amphibole supergroup
 
 
 

 
 
(OH,F,Cl)-dominant amphiboles
 
 
 

 
 
 
Calcium amphiboles
 
 
 

 
 
 
 
Cannilloite (Can) amphiboles
 
 
 

 
 
 
 
 
Cannilloite ?
CaCa2(Mg4Al)(Si5Al3)O22(OH)2
monoklin
C2/m

 
 
 
 
 
Ferri-cannilloite
CaCa2(Mg4Fe3+)(Si5Al3)O22(OH)2
 
 

 
 
 
 
 
Ferro-cannilloite
CaCa2(Fe2+4Al)(Si5Al3)O22(OH)2
 
 

 
 
 
 
 
Ferro-ferri-cannilloite
CaCa2(Fe2+4Fe3+)(Si5Al3)O22(OH)2
 
 

 
 
 
 
 
Fluoro-cannilloite
(Ca,Na)Ca2(Mg,Fe2+)4Al[(F,OH)2|Al2Si5O22]
monoklin
C2/m

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Actuality: 09. Dec 2023 - 12:48:29

Other languages

German

Cannilloit

Spanish

Cannilloita

English

Cannilloite

French

Cannilloite

IDs

GUSID (Global unique identifier short form) vZZEU7bDQ0Kv7jaAwTcJ3g
GUID (Global unique identifier) 534496BD-C3B6-4243-AFEE-3680C13709DE
Database ID 597