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Sodic-anthophyllite

Collectors Summary

Color hellbraun
Hardness (Mohs) 5 - 6
Solubility -
Crystal System orthorhombisch, Pnma

Additional information / Summary

Benannt als die Natrium-haltige und Magnesium-dominate Orthoamphibol Anthophyllit-Version.

Um besser zwischen Amphibol Endglieder Zusammensetzungen zu unterscheiden, hat die CNMNC beschlossen, Natron-Anthophyllit umzubenennen. Der Name ist noch nicht (Nov 2012) veröffentlicht. Der neue Name für Natrium-Anthophyllit könnte wegen der deutlich abweichenden Zusammensetzung im Vergleich zu den anderen Root Zusammensetzungen ein neuer Rootname werden.

Chemism

Chem­ical formula

NaMg2Mg5(Si7Al)O22(OH)2

Chem­ical com­po­si­tion

Aluminium, Magnesium, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 802.7076524 u; Number of atoms in the formula: 42

Info

Empirical formula:

NaMg2Mg5(Si7Al)O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.25

2

4.76

1.0079470

2.0158940
Oxygen

O

47.84

24

57.14

15.9994300

383.9863200
Sodium

Na

2.86

1

2.38

22.9897702

22.9897702
Magnesium

Mg

21.20

7

16.67

24.3050600

170.1354200
Aluminium

Al

3.36

1

2.38

26.9815382

26.9815382
Silicon

Si

24.49

7

16.67

28.0855300

196.5987100

Strunz 9th edi­tion incl. updates

9.DD.05

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
D: Ketten- und Bandsilikate mit 2-periodischen Doppelketten, Si4O11; Amphibol-Familie, Orthoamphibole
05:Amphibole: Ortho

Lapis Clas­sifica­tion

VIII/F.12-080

VIII: SILIKATE
F: Ketten- und Bandsilikate
12: Zweierbänder [Si4O11] 6-; Amphibol-Gruppe; Orthorhombische Amphibole

Clas­sifica­tion by Hölzel

9.DF.170

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
F: Amphiboles; Orthorhombic Amphiboles
1: Anthophyllite-Group

Dana 8th edi­tion

66.01.02.04

66: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2
01: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2 with P=2 amphibole configuration

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Classification

 Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Magnesium-iron-manganese amphiboles  ⇒ Anthophyllite (Ath) amphiboles

Optical Properties

Color

hellbraun

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mmm

Space Group number

62

Space Group

Pnma

Cell param­e­ters a (Å)

-

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

-

Cell param­e­ters c/b

-

Cell param­e­ters α

-

Cell param­e­ters β

-

Cell param­e­ters γ

-

Z

-

Volumne (ų)

-

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

5 - 6

VHN (Hard­ness Vick­ers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Insta­bil­ity

-

Preface

Author (Name, Year)

Leake et al., 1997

References

Canadian Mineralogist 35 (1997), 219

Frank C. Hawthorne, Roberta Oberti, George E. Harlow, Walter V. Maresch, Robert F. Martin, John C. Schumacer, Mark D. Welch (2012): Nomenclature of the amphibole supergroup, American Mineralogist, Volume 97, pages 2031–2048

IMA group assignments

Other languages

German

Natrium-Anthophyllit

English

Sodic-anthophyllite

French

Sodicanthophyllite

Spanish

Sodioantofilita

Alternative Name

Na Anthophyllite

German

Na-Anthophyllit

Spanish

Sodicanthophyllita

English

Sodicanthophyllite

Sodium-anthophyllite

English

Sodiumanthophyllite

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

German pages

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

English pages

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

Mineral Dealer

German pages

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Crystal-Treasure.com - search for: Natrium-Anthophyllit
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Edelsteine Neuburg - Gundolf Fischer - search for: Natrium-Anthophyllit
Geolitho marketplace, by and for collectors - search for: Natrium-Anthophyllit