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Aluminosugilite

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Aluminosugilith
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Aluminosugilith
Cerchiara Mine, Italien. Bildbreite 1,9mm.
Copyright: Mabu; Contribution: Mabu
Collection: Mabu
Location: Italien/Ligurien (Liguria), Region/La Spezia, Provinz/Vara-Tal/Cerchiara Mine
Mineral: Aluminosugilite
Image: 1601322918
License: Usage for Mineralienatlas project only
Aluminosugilith

Cerchiara Mine, Italien. Bildbreite 1,9mm.

Collection: Mabu
Copyright: Mabu
Contribution: Mabu 2020-09-28
Locality: Cerchiara Mine / Vara-Tal / La Spezia, Provinz / Ligurien (Liguria), Region / Italien

Collectors Summary

Crystal System hexagonal, P6/mcc

Chemism

Chemical formula

KNa2Al2Li3Si12O30

Chemical composition

Aluminium, Lithium, Natrium, Silicium, Kalium, Sauerstoff

Unit weight: 976.8737868 u; Number of atoms in the formula: 50

Info

Empirical formula:

KNa2Al2Li3Si12O30

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Lithium

Li

2.13

3

6.00

6.9412000

20.8236000

Oxygen

O

49.13

30

60.00

15.9994300

479.9829000

Sodium

Na

4.71

2

4.00

22.9897702

45.9795404

Aluminium

Al

5.52

2

4.00

26.9815382

53.9630764

Silicon

Si

34.50

12

24.00

28.0855300

337.0263600

Potassium

K

4.00

1

2.00

39.0983100

39.0983100

Strunz 9th edition incl. updates

9.CM.05

9: Silikate (Germanate)
C: Ringsilikate (Cyclosilikate)
M: ~[Si6O18]12- sechser-Doppelringe
05:Milarit-Gruppe

IMA status

anerkanntes Mineral April 2019 - CNMNC Newsletter 49

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Osumilite Group

Crystallography

Crystal System

hexagonal

Class (H-M)

6/mmm

Space Group number

192

Space Group

P6/mcc

Cell parameters a (Å)

9.9830(4)

Cell parameters b (Å)

-

Cell parameters c (Å)

13.9667(5)

Cell parameters a/b or c/a

1.399

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Volume (ų)

1205.443

Crystal structure

Osumilit-Gruppe; Struktur bestimmt

X-Ray Powder Diffraction

4.32(100), 4.06(38), 3.67(14), 3.48(30), 3.18(92), 2.86(70), 2.71(18), 2.49(18)

XRD chart Aluminosugilite

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

Crystals 3D

Open larger view

(Co-)Type locality

(Co-)Type locality

Italien/Ligurien (Liguria), Region/La Spezia, Provinz/Vara-Tal/Cerchiara Mine

Type material

Das Typenmaterial ist in den mineralogischen Sammlungen des National Museum of Nature and Science, Tsukuba, Japan, hinterlegt, Probennummern NSMMF-16503.

Preface

Author (Name, Year)

Matsumoto, Teruyoshi Imaoka, Gianluca Odicino and Gianluca Armellino (2019)

References

Nagashima, M., Fukuda, C., Matsumoto, T., Imaoka, T., Odicino, G. and Armellino, G. (2019) Aluminosugilite, IMA 2018-142. CNMNC Newsletter No. 49, June 2019, page xxx; Mineralogical Magazine, 83, 323-xxx.

IMA group assignments

Other languages

English

Aluminosugilite

German

Aluminosugilith

CNMNC (IMA)-Number

IMA 2018-142

CNMNC symbol

Symbol

Asug

Locations with GPS information

IDs

GUSID (Global unique identifier short form) w7V1onxoTESlLwFCttSX_Q
GUID (Global unique identifier) A275B5C3-687C-444C-A52F-0142B6D497FD
Database ID 8672