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Czochralskiite (Czochralskiit)

Collectors Summary

Color farblos
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 4 - 5
Cleavages keine
Fracture unregelmäßig, muschelig
Crystal System orthorhombisch, Pnma

Chemism

Chem­ical formula

Na4Ca3Mg(PO4)4

Empir­ical formula (anal­y­sis)

Na3.97Ca3.02Mg0.95Mn2+0.01K0.01Fe2+0.03(P4.00O16)

Chem­ical com­po­si­tion

Calcium, Magnesium, Natrium, Phosphor, Sauerstoff

Unit weight: 617.897607093 u; Number of atoms in the formula: 27.99

Info

Empirical formula:

Na3.97Ca3.02Mg0.95Mn0.01K0.01Fe0.03(P4.00O16)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

41.43

16

57.16

15.9994300

255.9908800

Sodium

Na

14.77

3.97

14.18

22.9897702

91.2693877

Magnesium

Mg

3.74

0.95

3.39

24.3050600

23.0898070

Phosphorus

P

20.05

4

14.29

30.9737612

123.8950448

Potassium

K

0.06

0.01

0.04

39.0983100

0.3909831

Calcium

Ca

19.59

3.02

10.79

40.0784000

121.0367680

Manganese

Mn

0.09

0.01

0.04

54.9380499

0.5493805

Iron

Fe

0.27

0.03

0.11

55.8452000

1.6753560

Anal­y­sis wt%

P2O5 : 46.28, CaO : 27.59, Na2O : 20.04, MgO : 6.21, FeO : 0.32, MnO : 0.16, K2O : 0.09, Total : 100.69

IMA sta­tus

anerkannt - CNMNC Newsletter 25, Juni 2015

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent

Lus­tre

Glasglanz

max. Birefrin­gence

0.008

Birefringence chart\! Czochralskiite title=Birefringence chart Czochralskiite

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 = 1.608(2)

RI value β

β = 1.611(2)

RI value γ / ε

γ = 1.616(2)

Ri mean

1.612

2V angle

Biaxial (+)70°(10) (gemessen) 76.7° (berechnet)

Dis­per­sion

schwach

Optical Data Luminescence

Lumi­nes­cence

keine Fluoreszenz

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mmm

Space Group number

62

Space Group

Pnma

Cell param­e­ters a (Å)

17.9230(2)

Cell param­e­ters b (Å)

10.7280(2)

Cell param­e­ters c (Å)

6.7794(1)

Cell param­e­ters a/b or c/a

1.671

Cell param­e­ters c/b

0.632

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

1303.529

Kristall struc­ture

Struktur bestimmt

X-Ray Pow­der Diffrac­tion

3.811(50), 3.741(31), 2.735(100), 2.682(61), 2.610(83), 2.301(14), 2.249(17), 1.906(43)

XRD chart Czochralskiite

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

Physical Properties

Hard­ness (Mohs)

4 - 5

Density (g/cm³)

3.148 (brechnet)

3.148 ( ρ calc. Mineralienatlas )

Cleav­ages

keine

Frac­ture

unregelmäßig, muschelig

(Co-)Type locality

(Co-)Type locality

Polen/Großpolen (Wielkopolskie), Woiwodschaft/Posen (Poznań)/Morasko/Morasko-Meteorit

Type mate­r­ial

Mineralogical Museum of the University of Wroclaw, Cybulskiego 30, 50-205 Wroclaw, Poland

Col­lec­tion number of type mate­r­ial

MM UWr IV7870

Preface

Name from

Der Name ehrt Jan Czochralski (1885–1953), Polnischer Chemiker, Kristallograph und Metallurge.

Author (Name, Year)

Lukasz Karwowski, Ryszard Kryza, Andrzej Muszyński, Joachim Kusz, Katarzyna Helios, Piotr Drożdżewski und Evgeny V. Galuskin (2015)

References

http://www.woreczko.pl/meteorites/features/Minerals/minerals_Czochralskiite.htm

http://wiki.meteoritica.pl/index.php5/Morasko#cite_note-19

Karwowski, L., Kryza, R., Muszyński, A., Kusz, J., Helios, K., Drożdżewski, P. and Galuskin, E. (2015) Czochralskiite, IMA 2015-011. CNMNC Newsletter No. 25, June 2015, page 534; Mineralogical Magazine, 79, 529-535.

ŁUKASZ KARWOWSKI; RYSZARD KRYZA; ANDRZEJ MUSZYŃSKI; JOACHIM KUSZ; KATARZYNA HELIOS; PIOTR DROŻDŻEWSKI; EVGENY V. GALUSKIN - Czochralskiite, Na4Ca3Mg(PO4)4, a second new mineral from the Morasko IAB-MG iron meteorite (Poland) - European Journal of Mineralogy; Appeared or available online: 6. Juni 2016

Other languages

German

Czochralskiit

English

Czochralskiite

Polish

Czochralskit

Russian

Чохральскиит

IMA Number

IMA 2015-011

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

German pages

DeWikiPedia - search for: Czochralskiit
Google-Bilder-Suche - search for: Czochralskiit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Czochralskiit

English pages

Mindat - search for: Czochralskiite
Webmineral - search for:Czochralskiite
Handbook-of-Mineralogy - search for: Czochralskiite
RRUFF - Raman, XRD and other mineral data - search for: Czochralskiite
RRUFF - References and PDF downloads - search for: Czochralskiite
American-Mineralogist-Crystal-Structure-Database - search for: Czochralskiite
Athena - search for: Czochralskiite

Russian pages

Webmineral.ru - search for: Чохральскиит

Mineral Dealer

German pages

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Crystal-Treasure.com - search for: Czochralskiit
Bosse - search for: Czochralskiit

Locations with GPS information




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