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Ferro-richterite

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Ferrorichterit
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Ferrorichterit
Bildbreite: 12 mm; Fundort: Abdong, Pyonggang-gun, Kangwon-do (Provinz), Nordkorea
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Nordkorea/Kangwon-do, Provinz/Pyonggang-gun/Abdong Zr-Nb-Lagerstätte (Abtong)
Mineral: Ferro-richterite
Image: 1242508752
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Ferrorichterit

Bildbreite: 12 mm; Fundort: Abdong, Pyonggang-gun, Kangwon-do (Provinz), Nordkorea

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-05-16
Locality: Abdong Zr-Nb-Lagerstätte (Abtong) / Pyonggang-gun / Kangwon-do, Provinz / Nordkorea

Collectors Summary

Color grün
Hardness (Mohs) 5.00 - 6.00
Crystal System monoklin, C2/m

Chemism

Chem­ical formula

Na2Ca(Fe2+,Mg)5Si8O22(OH)2

Chem­ical com­po­si­tion

Calcium, Eisen, Magnesium, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 936.5452194 u; Number of atoms in the formula: 42

Info

Empirical formula:

Na2Ca(Fe0.75Mg0.25)5Si8O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.22

2

4.76

1.0079470

2.0158940

Oxygen

O

41.00

24

57.14

15.9994300

383.9863200

Sodium

Na

4.91

2

4.76

22.9897702

45.9795404

Magnesium

Mg

3.24

1.25

2.98

24.3050600

30.3813250

Silicon

Si

23.99

8

19.05

28.0855300

224.6842400

Calcium

Ca

4.28

1

2.38

40.0784000

40.0784000

Iron

Fe

22.36

3.75

8.93

55.8452000

209.4195000

Strunz 9th edi­tion incl. updates

9.DE.20

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
E: Ketten- und Bandsilikate mit 2-periodischen Doppelketten, Si4O11; Amphibol-Familie, Klinoamphibole
20:

Lapis Clas­sifica­tion

VIII/F.09-020

VIII: SILIKATE
F: Ketten- und Bandsilikate
9: Zweierbänder [Si4O11] 6-; Amphibol-Gruppe; Na-Ca-Amphibole

Clas­sifica­tion by Hölzel

9.DI.120

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
I: Amphiboles; Sodiccalcic Amphiboles
1: Richterite-Group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Classification

Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Sodium-calcium amphiboles  ⇒ Richterite (Ri) amphibole

Optical Properties

Color

grün

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters α

90°

Cell param­e­ters γ

90°

Z

2

X-Ray Pow­der Diffrac­tion

8.577(100),
3.429(30),
3.318(20),
3.184(60),
2.996(20),
2.739(70),
2.615(30),
2.540(50)

XRD chart Ferro-richterite

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

Physical Properties

Hard­ness (Mohs)

5.00 - 6.00

VHN (Hard­ness Vick­ers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.36 (berechnet)

Preface

Author (Name, Year)

Sundius, 1946

References

American Mineralogist 59 (1974), 518

IMA group assignments

Other languages

German

Ferro-Richterit

Spanish

Ferro-richterita

English

Ferro-richterite

French

Ferro-richterite

Russian

Феррорихтерит

Alternative Name

English

Eisenrichterite

German

Ferrorichterit

Italian

Ferrorichterita

English

Iron-richterite

CNMNC symbol

Symbol

Frct

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Феррорихтерит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Ferro-Richterit
Crystal-Treasure.com - search for: Ferro-Richterit
Bosse - search for: Ferro-Richterit
Edelsteine Neuburg - Gundolf Fischer - search for: Ferro-Richterit
Geolitho marketplace, by and for collectors - search for: Ferro-Richterit

Locations with GPS information