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Dutrowite

Collectors Summary

Crystal System trigonal, R3m

Chemism

Chemical formula

Na(Fe2+2.5Ti0.5)Al6(Si6O18)(BO3)3(OH)3O

Chemical composition

Aluminium, Eisen, Natrium, Silicium, Titan, Bor, Sauerstoff, Wasserstoff

Unit weight: 1048.3800004 u; Number of atoms in the formula: 53

Info

Empirical formula:

Na(Fe2.5Ti0.5)Al6(Si6O18)(BO3)3(OH)3O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.29

3

5.66

1.0079470

3.0238410
Boron

B

3.09

3

5.66

10.8117000

32.4351000
Oxygen

O

47.31

31

58.49

15.9994300

495.9823300
Sodium

Na

2.19

1

1.89

22.9897702

22.9897702
Aluminium

Al

15.44

6

11.32

26.9815382

161.8892292
Silicon

Si

16.07

6

11.32

28.0855300

168.5131800
Titanium

Ti

2.28

0.5

0.94

47.8671000

23.9335500
Iron

Fe

13.32

2.5

4.72

55.8452000

139.6130000

Strunz 9th edition incl. updates

9.CK.10

9: Silikate (Germanate)
C: Ringsilikate (Cyclosilikate)
K: ~[Si6O18]12- sechser-Einfachringe, mit inselartig, komplexe [Anionen]
10:

IMA status

anerkannt - CNMNC Newsletter 53 (2020)

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Tourmaline supergroup

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

160

Space Group

R3m

Cell parameters a (Å)

15.9864(8)

Cell parameters b (Å)

-

Cell parameters c (Å)

7.2187(4)

Cell parameters a/b or c/a

0.452

Cell parameters c/b

-

Volume (ų)

1597.684

Crystal structure

Turmalin-Supergruppe; Struktur ermittelt

X-Ray Powder Diffraction

6.40(42), 4.61(18), 4.24(52), 4.00(60), 2.971(61), 2.585(100), 2.048(41), 1.925(24)
XRD chart Dutrowite

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

(Co-)Type locality

(Co-)Type locality

Italien/Toskana (Toscana)/Lucca, Provinz/Apuanische Alpen/Vergemoli/Fornovolasco/Fornovolasco Metarhyolit-Formation

Type material

Typisches Material ist in den mineralogischen Sammlungen des Museo di Storia Naturale, Università di Pisa, Via Roma 79, Calci (PI), Italien, Katalognummer 19890, hinterlegt.

Preface

Name from

Barbara L. Dutrow (geb. 1956). für Einzelheiten siehe Edward S. Grew: Who's Who in Mineral Names: Barbara L. Dutrow (b. 1956). Rocks & Minerals Vol. 97, Issue 6 (2022) S. 568-569.

Author (Name, Year)

Cristian Biagioni, Ferdinando Bosi, Daniela Mauro, Henrik Skogby, Andrea Dini, und Federica Zaccarini (2019)

References

Biagioni, C., Bosi, F., Mauro, D., Skogby, H., Dini, A., and Zaccarini, F.: Dutrowite, IMA 2019082, in: CNMNC Newsletter 53, Eur. J. Mineral., 32, https://doi.org/10.5194/ejm-32-209-2020, 2020.

IMA group assignments

Other languages

German

Dutrowit

English

Dutrowite

CNMNC (IMA)-Number

IMA 2019-082

CNMNC symbol

Symbol

Dtw

Locations with GPS information

IDs

GUSID (Global unique identifier short form) -0gUEURcbEu5FirsjV_ihw
GUID (Global unique identifier) 111448FB-5C44-4B6C-B916-2AEC8D5FE287
Database ID 8817