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Kamaishilite

Additional Functions

Collectors Summary

Color farblos
Streak color weiß
Crystal System tetragonal,
Morphology Körner bis 0.1 mm

Chemism

Chem­ical formula

Ca2Al2SiO6(OH)2

Chem­ical com­po­si­tion

Aluminium, Calcium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 292.2167404 u; Number of atoms in the formula: 15

Info

Empirical formula:

Ca2Al2SiO6(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.69

2

13.33

1.0079470

2.0158940

Oxygen

O

43.80

8

53.33

15.9994300

127.9954400

Aluminium

Al

18.47

2

13.33

26.9815382

53.9630764

Silicon

Si

9.61

1

6.67

28.0855300

28.0855300

Calcium

Ca

27.43

2

13.33

40.0784000

80.1568000

Anal­y­sis wt%

SiO2 : 20.03, Al2O3 : 34.15, CaO : 37.42, H2O : 6.30 (Ref: Proc.Jap.Akad.81)

Strunz 9th edi­tion incl. updates

9.FB.10

9: Silikate (Germanate)
F: Gerüstsilikate (Tektosilikate) ohne zeolithisches H2O
B: Gerüstsilikate (Tektosilicates) mit weiteren [Anionen]
10:Sodalith-Gruppe

Lapis Clas­sifica­tion

VIII/J.11-060

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
11: Mit tetraederfremden Anionen; Sodalith-Gruppe

Clas­sifica­tion by Hölzel

9.FF.550

9: SILICATES
F: Tektosilicates
F: Sodalite-Group

Hey's Chem­ical Index of Min­er­als

16.09.11

16: Silicates Containing Aluminum and other Metals
09: Aluminosilicates of Ca

Dana 8th edi­tion

76.02.03.06

76: Tektosilicates Tectosilicate Al-Si Framework
02: Tektosilicates Tectosilicate Al-Si Framework Feldspathoids and related species
03: Sodalite group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent

max. Birefrin­gence

0.000

RI value α / ω / n

1.629

RI value γ / ε

1.629

Ri mean

1.629

2V angle

Uniaxial

Pleochro­ism

schwach

Crystallography

Crystal Sys­tem

tetragonal

Cell param­e­ters a (Å)

8.850

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

8.770

Cell param­e­ters a/b or c/a

0.991

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

686.888

X-Ray Pow­der Diffrac­tion

3.607(100),
2.799(80),
2.777(40),
2.547(40),
2.361(20),
2.351(20),
2.085(30),
2.076(20)

XRD chart Kamaishilite

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

Morphol­ogy

Körner bis 0.1 mm

Physical Properties

Density (g/cm³)

2.83

2.826 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Uchida & Iiyama, 1981

References

Proceedings of the Japan Academy B57 (1981), 239.

American Mineralogist (1982) 67, 85.

Other languages

Spanish

Kamaishilita

French

Kamaishilite

English

Kamaishilite

German

Kamaishilith

Alternative Name

Kamaishilit

CNMNC (IMA)-Number

IMA 1980-052

CNMNC symbol

Symbol

Kam

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Kamaishilith
Google-Bilder-Suche - search for: Kamaishilith
Mineralienatlas.de (Forum) - search for: Kamaishilith

English pages

Mindat - search for: Kamaishilite
Webmineral - search for:Kamaishilite
Handbook-of-Mineralogy - search for: Kamaishilite
RRUFF - Raman, XRD and other mineral data - search for: Kamaishilite
RRUFF - References and PDF downloads - search for: Kamaishilite
American-Mineralogist-Crystal-Structure-Database - search for: Kamaishilite
Strahlen.org - search for: Kamaishilite

Mineral Dealer

German pages

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