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Strontioperloffite (Strontioperloffit)

Collectors Summary

Crystal System monoklin, P21/m

Chemism

Chemical formula

SrMn2+2Fe3+2(PO4)3(OH)3

Chemical composition

Eisen, Mangan, Strontium, Phosphor, Sauerstoff, Wasserstoff

Unit weight: 645.1240744 u; Number of atoms in the formula: 26

Info

Empirical formula:

SrMn2Fe2(PO4)3(OH)3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.47

3

11.54

1.0079470

3.0238410

Oxygen

O

37.20

15

57.69

15.9994300

239.9914500

Phosphorus

P

14.40

3

11.54

30.9737612

92.9212836

Manganese

Mn

17.03

2

7.69

54.9380499

109.8760998

Iron

Fe

17.31

2

7.69

55.8452000

111.6904000

Strontium

Sr

13.58

1

3.85

87.6210000

87.6210000

Strunz 9th edition incl. updates

8.BH.20

8: Phosphate, Arsenate, Vanadate
B: Phosphate, etc., mit weitere Anionen, ohne H2O
H: Mit mittelgroßen und meist großen [Kationen] (OH, etc.):RO4 = 1:1
20:Bjarebyit-Gruppe

IMA status

anerkannt - CNMNC Newsletter No. 26, August 2015, page 944

Mineral status

anerkanntes Mineral

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

11

Space Group

P21/m

Cell parameters a (Å)

9.183(2)

Cell parameters b (Å)

12.349(3)

Cell parameters c (Å)

5.008(1)

Cell parameters a/b or c/a

0.744

Cell parameters c/b

0.406

Cell parameters α

90°

Cell parameters β

100.23(3)º

Cell parameters γ

90°

Volume (ų)

558.883

Crystal structure

Das Sr Analog von Perloffit; Struktur bestimmt

X-Ray Powder Diffraction

9.055(30), 5.122(25), 4.682(25), 3.158(100), 3.106(45), 2.892(35), 2.735(35), 1.921(69)

XRD chart Strontioperloffite

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

(Co-)Type locality

(Co-)Type locality

Australien/South Australia/Flinders Ranges/South Flinders Ranges/Wilmington/Spring Creek Mine

Type material

South Australian Museum, Adelaide, South Australia

Collection number of type material

G34219

Paragenesis of type material

in Hohlräumen einer Matrix aus Quarz und etwas Goethit, vergesellschaftet mit Kupfer, Cuprit, Mitridatit und Rhodochrosit

Preface

Author (Name, Year)

Peter Elliott (2019)

References

Elliott, P. (2015) Strontioperloffite, IMA 2015-023. CNMNC Newsletter No. 26, August 2015, page 944; Mineralogical Magazine, 79, 941 - 947.

P. Elliott: Strontioperloffite, Mn2+2Fe3+2(PO4)3(OH)3, a new bjarebyite-group mineral from the Spring Creek mine, South Australia, Australia. European Journal of Mineralogy Vol. 31, Nr. 3 (2019) S. 559–555.

Other languages

German

Strontioperloffit

English

Strontioperloffite

CNMNC (IMA)-Number

IMA 2015-023

CNMNC symbol

Symbol

Splf

Locations with GPS information

IDs

GUSID (Global unique identifier short form) k9NsiB2FbEaOo9BBdL7X6Q
GUID (Global unique identifier) 886CD393-851D-466C-8EA3-D04174BED7E9
Database ID 7979