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Galileiite (Galileiit)

Pictures (1 Images total)

Galileiit
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Galileiit
Anschliff mit Einschluss von Galileiit in Troilit neben wenig Akaganeit und Vivianit (beide ich Fortsatz am unteren Bildrand), Augustinovka Meteorit, Dnipropetrowsk Oblast, Ukraine; analysiert mittels elektronoptischen Methoden
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Ukraine/Saporischschja, Oblast/Augustinovka Meteorit
Mineral: Galileiite
Image: 1594917007
License: Usage for Mineralienatlas project only
Galileiit

Anschliff mit Einschluss von Galileiit in Troilit neben wenig Akaganeit und Vivianit (beide ich Fortsatz am unteren Bildrand), Augustinovka Meteorit, Dnipropetrowsk Oblast, Ukraine; analysiert mitt...
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-07-16
Locality: Augustinovka Meteorit / Saporischschja, Oblast / Ukraine

Collectors Summary

Color sehr blass bernsteinbraun
Streak color weiß
Lustre Wachsglanz
Hardness (Mohs) 4
Cleavages keine
Fracture nicht beobachtet
Crystal System trigonal, R3

Chemism

Chemical formula

NaFe2+4(PO4)3

Chemical composition

Eisen, Natrium, Phosphor, Sauerstoff

Unit weight: 531.2850138 u; Number of atoms in the formula: 20

Info

Empirical formula:

NaFe4(PO4)3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

36.14

12

60.00

15.9994300

191.9931600
Sodium

Na

4.33

1

5.00

22.9897702

22.9897702
Phosphorus

P

17.49

3

15.00

30.9737612

92.9212836
Iron

Fe

42.05

4

20.00

55.8452000

223.3808000

Analysis wt%

Na2O : 5.87, MnO : 3.98, FeO : 49.00, P2O5 : 40.20 (Ref: MeteoriticsPlan.Sci.97)

Strunz 9th edition incl. updates

8.AC.50

8: Phosphate, Arsenate, Vanadate
A: Phosphate, etc., ohne weitere Anionen, ohne H2O
C: Mit mittelgroßen und großen [Kationen]
50:Fillowit-Gruppe

Lapis Classification

VII/A.08-003

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
A: Wasserfreie Phosphate [PO4] 3-, ohne fremde Anionen
8: Mittelgroße und große Kationen: Mg-Mn-Fe-Cu-Zn und Ca-Na

Classification by Hölzel

8.AC.350

8: PHOSPHATES ARSENATES VANADATES
A: Phosphates (-anions -water)
C: Phosphates, C medium + large
3: Whitlockite-Group

Dana 8th edition

38.02.05.04

38: Anhydrous Phosphates, etc
02: Anhydrous Phosphates, etc (A+ B++)5 (XO4)3
05: Fillowite Group

IMA status

anerkannt 1996

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Fillowite group

Optical Properties

Color

sehr blass bernsteinbraun

Streak color

weiß

Diaphaneity (Transparency)

transparent

Lustre

Wachsglanz

max. Birefringence

0.03
Birefringence chart\! Galileiite title=Birefringence chart Galileiite

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

1.72

RI value γ / ε

1.75

Ri mean

1.730

2V angle

Uniaxial (+)

Crystallography

Crystal System

trigonal

Class (H-M)

3

Space Group number

148

Space Group

R3

Cell parameters a (Å)

14.98

Cell parameters b (Å)

-

Cell parameters c (Å)

41.66

Cell parameters a/b or c/a

2.781

Cell parameters c/b

-

Z

36

Volumne (ų)

8096.056

X-Ray Powder Diffraction

4.13(80),
3.47(50),
3.21(50),
3.01(90),
2.93(50),
2.85(50),
2.71(100),
2.57(50)
XRD chart Galileiite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

4

VHN (Hardness Vickers)

130 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.91

3.923 ( ρ calc. Mineralienatlas )

Cleavages

keine

Fracture

nicht beobachtet

Tenacity

schneidbar

(Co-)Type locality

(Co-)Type locality

USA/New Mexico/Cibola Co./Zuni Mt. District/Grant IIIB Meteorit

References

Meteoritics and Planetary Sciences 32 (1997), A155-A156.

American Mineralogist 83 (1998), 185.

IMA group assignments

Other languages

German

Galileiit

English

Galileiite

French

Galileiite

Spanish

Galileiíta

Russian

Галилейит

Alternative Name

Galileiita

CNMNC (IMA)-Number

IMA 1996-028

CNMNC symbol

Symbol

Gll

Locations with GPS information