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Halilsarpite

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Halilsarpit
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Halilsarpit

gelbe Kristallgruppen von Halilsarpit, Oumlil Mine, Bou Azzer, Marokko; BB < 1mm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2019-10-21
Locality: Oumlil Mine / Oumlil / Agdz, Cercle / Zagora, Provinz / Drâa-Tafilalet, Region / Marokko

Collectors Summary

Crystal System orthorhombisch, Imma

Chemism

Chem­ical formula

[Mg(H2O)6][CaAs3+2(Fe3+2.67Mo6+0.33)(AsO4)2O7]

Chem­ical com­po­si­tion

Arsen, Calcium, Eisen, Magnesium, Molybdän, Sauerstoff, Wasserstoff

Unit weight: 892.920806 u; Number of atoms in the formula: 42

Info

Empirical formula:

[Mg(H2O)6][CaAs2(Fe2.67Mo0.33)(AsO4)2O7]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.35

12

28.57

1.0079470

12.0953640

Oxygen

O

37.63

21

50.00

15.9994300

335.9880300

Magnesium

Mg

2.72

1

2.38

24.3050600

24.3050600

Calcium

Ca

4.49

1

2.38

40.0784000

40.0784000

Iron

Fe

16.70

2.67

6.36

55.8452000

149.1066840

Arsenic

As

33.56

4

9.52

74.9216020

299.6864080

Molybdenum

Mo

3.55

0.33

0.79

95.9420000

31.6608600

Strunz 9th edi­tion incl. updates

8.CH.05

8: Phosphate, Arsenate, Vanadate
C: Phosphate ohne weitere Anionen, mit H2O
H: Mit großen und mittelgroßen Kationen, RO4:H2O < 1:1
05:Walentait-Gruppe

IMA sta­tus

anerkannt, CNMNC Newsletter No. 50 July 2019

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Walentaite group  ⇒ Halilsarpite subgroup

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mmm

Space Group number

74

Space Group

Imma

Cell param­e­ters a (Å)

26.489(1)

Cell param­e­ters b (Å)

7.4205(3)

Cell param­e­ters c (Å)

10.4378(4)

Cell param­e­ters a/b or c/a

3.57

Cell param­e­ters c/b

1.407

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Volumne (ų)

2051.671

Kristall struc­ture

Isostrukturell mit Natrowalentait; Struktur ermittelt

X-Ray Pow­der Diffrac­tion

13.28(100), 9.710(16), 6.737(20), 6.042(18), 4.462(33), 3.018(36), 2.944(11), 2.799(14)

XRD chart Halilsarpite

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

(Co-)Type locality

(Co-)Type locality

Marokko/Drâa-Tafilalet, Region/Zagora, Provinz/Agdz, Cercle/Oumlil/Oumlil Mine

Type mate­r­ial

Das Typenmaterial ist in den mineralogischen Sammlungen des Natural History Museum, University of Oslo, PO 1172, Blindern, 0318 Oslo, Norwegen, Registrierungsnummer 44110 (Holotyp), und des Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, Katalognummer 73567 (Cotyp) hinterlegt.

Preface

Author (Name, Year)

Ian E. Grey, Tomas Husdal, Henrik Friis, Fabrice Dal Bo, Anthony R. Kampf, Colin M. MacRae, W. Gus Mumme, Ole-Thorstein Ljøstad and Finlay Shanks (2019)

References

Grey I.E., Husdal T., Friis H., Dal Bo F., Kampf A.R., MacRae C.M., Mumme W.G., Ljøstad O.-T. and Shanks F. (2019) Halilsarpite, IMA 2019-023. CNMNC Newsletter No. 50; Mineralogical Magazine, 31, doi: 10.1180/mgm.2019.46

IMA group assignments

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Walentaite

H2Ca2Fe3+6(AsO4)5(PO4)3·14H2O

orthorhombisch : mmm, mm2, 222 : Immm, Imam, Imm2, Ima2, I222, I212121

8.CH.05

Halilsarpite

[Mg(H2O)6][CaAs3+2(Fe3+2.67Mo6+0.33)(AsO4)2O7]

orthorhombisch : mmm : Imma

8.CH.05

Alcantarillaite

[Fe3+0.50.5(H2O)4][CaAs3+2(Fe3+2.5W6+0.5)(AsO4)2O7]

orthorhombisch : mmm : Imma

8.CH.05

Natrowalentaite

[Fe3+0.5Na0.5(H2O)6][NaAs3+2(Fe3+2.33W6+0.67)(PO4)2O7]

orthorhombisch : mmm : Imma

8.CH.05

CNMNC (IMA)-Number

IMA 2019-023

CNMNC symbol

Symbol

Hsp

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

German pages

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

English pages

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

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Halilsarpit
Crystal-Treasure.com - search for: Halilsarpit
Bosse - search for: Halilsarpit

Locations with GPS information