https://www.mineral-bosse.de
https://www.edelsteine-neuburg.de
https://www.mineraliengrosshandel.com
https://www.mineralbox.biz
'._('einklappen').'
 

Pedrizite

Additional Functions

Collectors Summary

Crystal System monoklin, C2/m

Chemism

Chemical formula

NaLi2(Mg2Al2Li)Si8O22(OH)2

Additional chem. information

Amphibol-Gruppe

Chemical composition

Aluminium, Lithium, Magnesium, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 757.0730206 u; Number of atoms in the formula: 42

Info

Empirical formula:

NaLi2(Mg2Al2Li)Si8O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.27

2

4.76

1.0079470

2.0158940

Lithium

Li

2.75

3

7.14

6.9412000

20.8236000

Oxygen

O

50.72

24

57.14

15.9994300

383.9863200

Sodium

Na

3.04

1

2.38

22.9897702

22.9897702

Magnesium

Mg

6.42

2

4.76

24.3050600

48.6101200

Aluminium

Al

7.13

2

4.76

26.9815382

53.9630764

Silicon

Si

29.68

8

19.05

28.0855300

224.6842400

Strunz 9th edition incl. updates

9.DE.25

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

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Lithium amphiboles  ⇒ Pedrizite (Ped) amphiboles

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters a (Å)

9.501

Cell parameters b (Å)

17.866

Cell parameters c (Å)

5.292

Cell parameters a/b or c/a

0.532

Cell parameters c/b

0.296

Cell parameters α

90°

Cell parameters β

102.17°

Cell parameters γ

90°

Volume (ų)

878.102

Preface

Author (Name, Year)

Leake, etc. (2003)

References

Leake B E, Woolley A R, Birch W D, Burke E A J, Ferraris G, Grice J D, Hawthorne F C, Kisch H J, Krivovichev V G, Schumacher J C, Stephenson N C N, Whittaker E J W (2003) Nomenclature of amphiboles: additions and revisions to the International Mineralogical Association’s 1997 recommendations, The Canadian Mineralogist 41, 1355-1362

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

Other languages

German

Pedrizit

English

Pedrizite

IDs

GUSID (Global unique identifier short form) ry3d388ZyE2UI7wwA-BLbg
GUID (Global unique identifier) DFDD2DAF-19CF-4DC8-9423-BC3003E04B6E
Database ID 6811