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

Zinclavendulan

Collectors Summary

Color blau
Streak color hellblau
Hardness (Mohs) 2.00 - 3.00
Cleavages gut
Crystal System orthorhombisch,

Chemism

Chemical formula

NaCa(Zn,Cu)5(AsO4)4Cl·4-5H2O

Additional chem. information

Zn-haltiger Lavendulan

Chemical composition

Arsen, Calcium, Chlor, Kupfer, Natrium, Zink, Sauerstoff, Wasserstoff

Unit weight: 1059.9857412 u; Number of atoms in the formula: 41.5

Info

Empirical formula:

NaCa(Zn0.75Cu0.25)5(AsO4)4Cl·4.5H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.86

9

21.69

1.0079470

9.0715230
Oxygen

O

30.94

20.5

49.40

15.9994300

327.9883150
Sodium

Na

2.17

1

2.41

22.9897702

22.9897702
Chlorine

Cl

3.34

1

2.41

35.4532000

35.4532000
Calcium

Ca

3.78

1

2.41

40.0784000

40.0784000
Copper

Cu

7.49

1.25

3.01

63.5463000

79.4328750
Zinc

Zn

23.14

3.75

9.04

65.4094000

245.2852500
Arsenic

As

28.27

4

9.64

74.9216020

299.6864080

IMA status

Diskreditiert von der CNMNC

Mineral status

Varietät

Variety / polytype of

Lavendulan

Optical Properties

Color

blau

Streak color

hellblau

Crystallography

Crystal System

orthorhombisch

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

8

Physical Properties

Hardness (Mohs)

2.00 - 3.00

Cleavages

gut

(Co-)Type locality

(Co-)Type locality

Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine

Preface

Author (Name, Year)

Strunz, 1959

References

Canadian Mineralogist 44 (2006), 1617

Clark (1993), 775.

The Canadian Mineralogist Vol. 44, pp. 1557-1560 (2006).

Other languages

Spanish

Cinclavendulana

English

Zinclavendulan

French

Zinclavendulan

German

Zinklavendulan

Alternative Name

German

Zink-Lavendulan

Locations with GPS information