https://www.mineral-bosse.de
https://www.mineralbox.biz
https://www.mineraliengrosshandel.com
https://www.edelsteine-neuburg.de
'._('einklappen').'
 

Ferro-pedrizite

Collectors Summary

Color dunkel graublau, violettblau
Crystal System monoklin, C2/m
Morphology Ferro-pedrizite formt dunkelgraublau bis violett-blaue nadelförmige und langprismatische Kristalle bis zu 2 × 5 × 50 mm und deren Aggregate.

Chemism

Chem­ical formula

NaLi2(Fe2+2Al2Li)Si8O22(OH)2

Empir­ical formula (anal­y­sis)

(Na0.60K0.02)Σ0.62 (Li1.89Na0.07Ca0.04)Σ2.00 (Fe2+1.03Mg0.90Mn2+0.07Al1.88Fe3+0.47Li0.65)Σ5.00 [(Si7.79Al0.21)Σ8.00O22][(OH)1.36F0.49O0.15)]

Chem­ical com­po­si­tion

Aluminium, Eisen, Lithium, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 806.9112320775 u; Number of atoms in the formula: 40.98

Info

Empirical formula:

(Na0.60K0.02)(Li1.89Na0.07Ca0.04)(Fe1.03Mg0.90Mn0.07Al1.88Fe0.47Li0.65)[(Si7.79Al0.21)O22][(OH)1.36F0.49O0.15)]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.17

1.36

3.32

1.0079470

1.3708079

Lithium

Li

2.18

2.54

6.20

6.9412000

17.6306480

Oxygen

O

46.62

23.51

57.37

15.9994300

376.1465993

Fluorine

F

1.15

0.49

1.20

18.9984033

9.3092176

Sodium

Na

1.91

0.67

1.63

22.9897702

15.4031460

Magnesium

Mg

2.71

0.9

2.20

24.3050600

21.8745540

Aluminium

Al

6.99

2.09

5.10

26.9815382

56.3914148

Silicon

Si

27.11

7.79

19.01

28.0855300

218.7862787

Potassium

K

0.10

0.02

0.05

39.0983100

0.7819662

Calcium

Ca

0.20

0.04

0.10

40.0784000

1.6031360

Manganese

Mn

0.48

0.07

0.17

54.9380499

3.8456635

Iron

Fe

10.38

1.5

3.66

55.8452000

83.7678000

Strunz 9th edi­tion incl. updates

9.DE.25

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

IMA sta­tus

anerkannt - CNMNC Newsletter No. 21, August 2014, page 803

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Classification

Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Lithium amphiboles  ⇒ Pedrizite (Ped) amphiboles

Optical Properties

Color

dunkel graublau, violettblau

max. Birefrin­gence

0.039

Birefringence chart\! Ferro-pedrizite title=Birefringence chart Ferro-pedrizite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

α = 1.614(3)

RI value β

β = 1.638(3)

RI value γ / ε

γ = 1.653(3)

Ri mean

1.635

2V angle

Biaxial (-) 75(5)° (gemessen), 76° (berechnet)

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters a (Å)

9.3716(4)

Cell param­e­ters b (Å)

17.649(1)

Cell param­e­ters c (Å)

5.2800(6)

Cell param­e­ters a/b or c/a

0.531

Cell param­e­ters c/b

0.299

Cell param­e­ters α

90°

Cell param­e­ters β

102.22(1)º

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

853.521

Kristall struc­ture

Amphibol-Supergruppe, Struktur bestimmt

X-Ray Pow­der Diffrac­tion

8.147(52), 4.420(22), 3.385(18), 3.009(100), 2.7102(28), 2.6865(29), 2.4824(19), 1.6236(25)

XRD chart Ferro-pedrizite

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

Morphol­ogy

Ferro-pedrizite formt dunkelgraublau bis violett-blaue nadelförmige und langprismatische Kristalle bis zu 2 × 5 × 50 mm und deren Aggregate.

Physical Properties

Density (g/cm³)

3.16(1), 3.13(1) (gemessen); 3.135 (berechnet)

3.14 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Russland/Sibirien, Föderationskreis/Tuwa-Republik (Tuva, Tyva)/Sangilen Hochland

Type material

Mineralogical Museum of the Tomsk State University, Tomsk, 634050 Russland

Collection number of type material

19116

Paragenesis of type material

Quarz, Albit, Mikroklin, Spodumen, Cassiterit, Beryl, Columbit-(Mn), Fergusonit-β-(Y), Fluorapatit, Schörl, Trilithionit und Fluorit

Preface

Author (Name, Year)

Sergey I. Konovalenko, Sergey A. Ananyev, Nikita V. Chukanov, Ramiza K. Rastsvetaeva, Sergey M. Aksenov, Anatoliy I. Bakhtin, Anatoliy G. Nikolaev, Ramil Gainov, Anatoliy N. Sapozhnikov, Dmitriy I. Belakovskiy and Yana V. Bychkova (2014)

References

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

Konovalenko, S.I., Ananyev, S.A., Chukanov, N.V., Rastsvetaeva, R.K., Aksenov, S.M., Bakhtin, A.I., Nikolaev, A.G., Gainov, R., Sapozhnikov, A.N., Belakovskiy, D.I. and Bychkova, I.V. (2014) Ferro-pedrizite, IMA 2014-037

Ma Z, Shi N, Peng Z - Crystal structure of a new phosphatic mineral - qingheiite. Scientia Sinica, Series B 26 (1983), 876-884

Aksenov, S.M., Rastsvetaeva, R.K., Konovalenko, S.I., Ananyev, S.A., Chukanov, N.V., Miroshkina, A.E. - The crystal structure and microtwinning of ferro-pedrizite, a new lithium amphibole. Crystallography Reports, (2015) 60, 493-497.

Sergey I. Konovalenko, Sergey A. Ananyev, Nikita V. Chukanov, Sergey M. Aksenov, Ramiza K. Rastsvetaeva, Anatoliy I. Bakhtin, Anatoliy G. Nikolaev, Ramil R. Gainov, Farit G. Vagizov, Anatoliy N. Sapozhnikov, Dmitriy I. Belakovskiy, Yana V. Bychkova, Göstar Klingelhöfer and Mathias Blumers - Ferro-pedrizite, NaLi2(Fe2+2Al2Li)Si8O22(OH)2, a new amphibole-supergroup mineral from the Sutlug pegmatite, Tyva Republic, Russia - European Journal of Mineralogy 1. March 2015 (2015)

IMA group assignments

Other languages

German

Ferro-Pedrizit

English

Ferro-pedrizite

Russian

Ферропедрисит

Russian

Ферропедрицит

Alternative Name

German

Ferropedrizit

CNMNC (IMA)-Number

IMA 2014-037

CNMNC symbol

Symbol

Fopd

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Ферропедрисит

Mineral Dealer

German pages

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

Locations with GPS information