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Mazzite-Mg

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Mazzit-Mg
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Mazzit-Mg
Bildbreite: 3 mm; Fundort: Mont Semiol, Montbrison, Loire, Rhône-Alpes, Frankreich
Copyright: Leonardus; Contribution: Philip Blümner
Location: Frankreich/Auvergne-Rhône-Alpes, Region/Loire, Département/Montbrison, Arrondissement/Montbrison/Mont Semiol
Mineral: Mazzite-Mg
Image: 1218364764
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Mazzit-Mg

Bildbreite: 3 mm; Fundort: Mont Semiol, Montbrison, Loire, Rhône-Alpes, Frankreich
Copyright: Leonardus
Contribution: Philip Blümner 2008-08-10
Locality: Mont Semiol / Montbrison / Montbrison, Arrondissement / Loire, Département / Auvergne-Rhône-Alpes, Region / Frankreich

Collectors Summary

Color farblos
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 4 - 5
Solubility +++ Säuren
Crystal System hexagonal, P63/mmc

Additional information / Summary

Chemism

Chemical formula

(Mg,K,Ca)6(Si26Al10)O72·30H2O

Chemical composition

Aluminium, Calcium, Magnesium, Silicium, Kalium, Sauerstoff, Wasserstoff

Unit weight: 2874.380056 u; Number of atoms in the formula: 204

Info

Empirical formula:

(Mg0.6K0.3Ca0.1)6(Si26Al10)O72·30H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

2.10

60

29.41

1.0079470

60.4768200
Oxygen

O

56.78

102

50.00

15.9994300

1,631.9418600
Magnesium

Mg

3.04

3.6

1.76

24.3050600

87.4982160
Aluminium

Al

9.39

10

4.90

26.9815382

269.8153820
Silicon

Si

25.40

26

12.75

28.0855300

730.2237800
Potassium

K

2.45

1.8

0.88

39.0983100

70.3769580
Calcium

Ca

0.84

0.6

0.29

40.0784000

24.0470400

Analysis wt%

SiO2 : 58.10, Al2O3 : 18.14, MgO : 2.92, CaO : 2.75, K2O : 3.27, H2O : 18.42 (Ref: Contributions to Mineralogy and Petrology 74)

Strunz 9th edition incl. updates

9.GC.20

9: Silikate (Germanate)
G: Gerüstsilikate (Tektosilikate) mit zeolithischem H2O; Familie der Zeolithe
C: Ketten doppelt verbundener vierer-Ringe
20:

Lapis Classification

VIII/J.26-080

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
26: Zeolith-Gruppe; Würfelzeolithe

Classification by Hölzel

9.FK.200

9: SILICATES
F: Tektosilicates
K: Doubly connected 4-Ring Chains

IMA status

anerkannt, 2003 umbenannt von Mazzit zu Mazzite-Mg. Dies wurde notwendig wegen der Anerkennung von Mineral IMA 2003-058

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Zeolite group  ⇒ MAZ zeolite structure group

Optical Properties

Color

farblos

Streak color

weiß

Lustre

Glasglanz

max. Birefringence

0.007
Birefringence chart\! Mazzite-Mg title=Birefringence chart Mazzite-Mg

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

1.506

RI value γ / ε

1.499

Ri mean

1.504

2V angle

Uniaxial (-)

Crystallography

Crystal System

hexagonal

Class (H-M)

6/mmm

Space Group number

194

Space Group

P63/mmc

Cell parameters a (Å)

18.392

Cell parameters b (Å)

-

Cell parameters c (Å)

7.646

Cell parameters a/b or c/a

0.416

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

1

Volume (ų)

2239.87

X-Ray Powder Diffraction

9.20(60),
6.02(50),
4.729(50),
3.824(90),
3.655(50),
3.531(90),
3.185(100),
2.941(100)
XRD chart Mazzite-Mg

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

4 - 5

VHN (Hardness Vickers)

190 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.108 (berechnet)

2.131 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Frankreich/Auvergne-Rhône-Alpes, Region/Loire, Département/Montbrison, Arrondissement/Montbrison/Mont Semiol

Preface

Name from

1974 in Anerkennung für Fiorenzo Mazzi, Professor der Mineralogie an der Universität von Pavia, Italien für seinen Beitrag zum Verständnis der Zeolith-Struktur

Author (Name, Year)

Galli & Passaglia & Pongiluppi & Rinaldi, 1974

References

Mineralogical Magazine (1998): 62: 533-571

IMA group assignments

Other languages

German

Mazzit-Mg

Spanish

Mazzita-Mg

English

Mazzite-Mg

French

Mazzite-Mg

Russian

Маццит-Mg

Alternative Name

Mazzit

Spanish

Mazzita

Mazzite

English

Mazzite

French

Mazzite

CNMNC symbol

Symbol

Maz-Mg

Locations with GPS information

IDs

GUSID (Global unique identifier short form) AVuUwPT1Y0if4t225upHJw
GUID (Global unique identifier) C0945B01-F5F4-4863-9FE2-DDB6E6EA4727
Database ID 2426