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Aspidolite

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Aspidolith
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Aspidolith
braune, faserige Aggregate von Aspidolith, Kasuga, Gifu, Honshu, Japan; BB < 5 mm, analysiert
Copyright: mintreasure.com; Contribution: openpit
Location: Japan/Honshū (Honschu), Insel/Chūbu (Chubu), Region/Gifu, Präfektur/Kasuga/Kasuga mine
Mineral: Aspidolite
Image: 1662219385
License: Usage for Mineralienatlas project only
Aspidolith

braune, faserige Aggregate von Aspidolith, Kasuga, Gifu, Honshu, Japan; BB < 5 mm, analysiert
Copyright: mintreasure.com
Contribution: openpit 2022-09-03
Locality: Kasuga mine / Kasuga / Gifu, Präfektur / Chūbu (Chubu), Region / Honshū (Honschu), Insel / Japan

Collectors Summary

Color hellbraun, weiß, grünlich, rot
Streak color weiß
Hardness (Mohs) 2.5 - 3
Cleavages vollkommen (001)
Crystal System monoklin, C2/m

Chemism

Chemical formula

NaMg3(AlSi3)O10(OH)2

Additional chem. information

Glimmer-Gruppe

Chemical composition

Aluminium, Magnesium, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 401.1521324 u; Number of atoms in the formula: 22

Info

Empirical formula:

NaMg3(AlSi3)O10(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.50

2

9.09

1.0079470

2.0158940
Oxygen

O

47.86

12

54.55

15.9994300

191.9931600
Sodium

Na

5.73

1

4.55

22.9897702

22.9897702
Magnesium

Mg

18.18

3

13.64

24.3050600

72.9151800
Aluminium

Al

6.73

1

4.55

26.9815382

26.9815382
Silicon

Si

21.00

3

13.64

28.0855300

84.2565900

Analysis wt%

SiO2 : 36.90, TiO2 : 0.93, Al2O3 : 23.50, FeO : 4.07, MgO : 21.80, Na2O : 6.64, K2O : 1.33, H2O : 4.25 (Ref: Mineralogical Magazine 2005)

Strunz 9th edition incl. updates

9.EC.20

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
C: Schichtsilikate (Phyllosilikate) mit Glimmer Tafeln, zusammengesetzt aus tetrahedralen oder octahedralen Netzen
20:Phlogopit-Gruppe

Lapis Classification

VIII/H.11-070

VIII: SILIKATE
H: Schichtsilikate
11: Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen; Glimmer-Gruppe; Lithionit/Biotit-Reihe

Classification by Hölzel

9.ED.110

9: SILICATES
E: Phyllosilicates
D: Biotite-Group

IMA status

anerkannt 2004

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Mica group  ⇒ True micas

Optical Properties

Color

hellbraun, weiß, grünlich, rot

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend

2V angle

Biaxial (-) nd

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters a (Å)

5.291

Cell parameters b (Å)

9.16

Cell parameters c (Å)

10.12

Cell parameters a/b or c/a

0.578

Cell parameters c/b

1.105

Cell parameters α

90°

Cell parameters β

105.10

Cell parameters γ

90°

Z

2

Volume (ų)

473.537

X-Ray Powder Diffraction

9.77(100), 4.59(25), 3.26(50), 2.61(100), 2.55(25), 2.45(20), 2.19(20)
XRD chart Aspidolite

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

Polytypes

Aspidolite-1A

NaMg3(AlSi3)O10(OH)2

triklin

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

2.5 - 3

VHN (Hardness Vickers)

53 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.885 (berechnet)

2.813 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen (001)

(Co-)Type locality

(Co-)Type locality

Japan/Honshū (Honschu), Insel/Chūbu (Chubu), Region/Gifu, Präfektur/Kasuga/Kasuga mine

Type material

Referenzmaterial liegt im geologisches Museum Japan

Preface

Author (Name, Year)

von Kobell, 1869

References

Hintze, C. (1897): Handbuch der Mineralogie.

Contributions to Mineralogy and Petrology 74 (1980), 223.

Canadian Mineralogist 36 (1998), 905.

European Journal of Mineralogy 16 (2004), 891.

Banno, Y., R. Miyawaki, T. Kogure, S. Matsubara, T. Kamiya & S. Yamada, Mineralogical Magazine 69 (2005), 1047.

IMA group assignments

Other languages

Spanish

Aspidolita

French

Aspidolite

English

Aspidolite

German

Aspidolith

Russian

Аспидолит

Alternative Name

English

Aspidolite-1M

German

Aspidolith-1M

German

Na Phlogopit

Na Phlogopite

Na-Phlogopite

Natrium-Phlogopit

German

Natriumphlogopit

Japanese

ソーダ金雲母

CNMNC (IMA)-Number

IMA 2004-049

CNMNC symbol

Symbol

Asp

IDs

GUSID (Global unique identifier short form) n9ondHa7jEyXjYXeaoXgNA
GUID (Global unique identifier) 7427DA9F-BB76-4C8C-978D-85DE6A85E034
Database ID 227