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Oxo-magnesio-hastingsite

Pictures (3 Images total)

Hornblende
Views (File:
1567802933
): 609
Hornblende
Oxo-Magnesio-Hastingsit .........klingt auch viel einfacher; Im Fundzustand; der typisch angeschmolzene x ist ca. 6 x 4 cm.......gerade verpackt, deshalb keine genaue Maße.....; Fund und Foto : 19.08.2017 auf einer der letzten meiner Touren in der Eifel
Copyright: Marcus Voigt; Contribution: Pcheloyad
Location: Deutschland/Rheinland-Pfalz/Vulkaneifel, Landkreis/Daun/Dreis-Brück/Radersberg
Mineral: Oxo-magnesio-hastingsite
Image: 1567802933
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Hornblende

Oxo-Magnesio-Hastingsit .........klingt auch viel einfacher; Im Fundzustand; der typisch angeschmolzene x ist ca. 6 x 4 cm.......gerade verpackt, deshalb keine genaue Maße.....; Fund und Foto : 19....

Copyright: Marcus Voigt
Contribution: Pcheloyad 2019-09-06
Locality: Radersberg / Dreis-Brück / Daun / Vulkaneifel, Landkreis / Rheinland-Pfalz / Deutschland
Oxo-Magnesio-Hastingsit
Views (File:
1521565080
): 758
Oxo-Magnesio-Hastingsit
Radersberg, Dreis-Brück, Daun, Vulkaneifel, Rheinland-Pfalz. 38x32 mm.
Copyright: Doc Diether; Contribution: Doc Diether
Collection: Doc Diether
Location: Deutschland/Rheinland-Pfalz/Vulkaneifel, Landkreis/Daun/Dreis-Brück/Radersberg
Mineral: Oxo-magnesio-hastingsite
Image: 1521565080
License: Usage for Mineralienatlas project only
Oxo-Magnesio-Hastingsit

Radersberg, Dreis-Brück, Daun, Vulkaneifel, Rheinland-Pfalz. 38x32 mm.

Collection: Doc Diether
Copyright: Doc Diether
Contribution: Doc Diether 2018-03-20
Locality: Radersberg / Dreis-Brück / Daun / Vulkaneifel, Landkreis / Rheinland-Pfalz / Deutschland
Oxo-Magnesio-Hastingsit
Views (File:
1567803039
): 284
Oxo-Magnesio-Hastingsit
Hornblende-Gruppe; BB : ca. 8cm; Foto und Fund : 19.08.2017
Copyright: Marcus Voigt; Contribution: Pcheloyad
Location: Deutschland/Rheinland-Pfalz/Vulkaneifel, Landkreis/Daun/Dreis-Brück/Radersberg
Mineral: Oxo-magnesio-hastingsite
Image: 1567803039
License: Usage for Mineralienatlas project only
Oxo-Magnesio-Hastingsit

Hornblende-Gruppe; BB : ca. 8cm; Foto und Fund : 19.08.2017

Copyright: Marcus Voigt
Contribution: Pcheloyad 2019-09-06
Locality: Radersberg / Dreis-Brück / Daun / Vulkaneifel, Landkreis / Rheinland-Pfalz / Deutschland

Collectors Summary

Color braun
Lustre Glasglanz
Cleavages vollkommen {110}
Crystal System monoklin, C2/m

Chemism

Chem­ical formula

NaCa2(Mg2Fe3+3)(Si6Al2)O22O2

Empir­ical formula (anal­y­sis)

(Na0.67K0.33)Σ1.00 (Ca1.87Na0.14Mn0.01)Σ2.02 (Mg3.27Fe3+1.25Ti0.44Al0.08)Σ5.04(Al1.80Si6.20O22)(O1.40OH0.60)Σ2.00

Addi­tional chem. informa­tion

Amphibol-Gruppe

Chem­ical com­po­si­tion

Aluminium, Calcium, Eisen, Magnesium, Natrium, Silicium, Sauerstoff

Unit weight: 893.212152877 u; Number of atoms in the formula: 41.06

Info

Empirical formula:

(Na0.67K0.33)(Ca1.87Na0.14Mn0.01)(Mg3.27Fe1.25Ti0.44Al0.08)(Al1.80Si6.20O22)(O1.40OH0.60)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.07

0.6

1.46

1.0079470

0.6047682

Oxygen

O

43.71

24.4

59.43

15.9994300

390.3860920

Sodium

Na

2.08

0.81

1.97

22.9897702

18.6217139

Magnesium

Mg

8.90

3.27

7.96

24.3050600

79.4775462

Aluminium

Al

5.68

1.88

4.58

26.9815382

50.7252918

Silicon

Si

19.49

6.2

15.10

28.0855300

174.1302860

Potassium

K

1.44

0.33

0.80

39.0983100

12.9024423

Calcium

Ca

8.39

1.87

4.55

40.0784000

74.9466080

Titanium

Ti

2.36

0.44

1.07

47.8671000

21.0615240

Manganese

Mn

0.06

0.01

0.02

54.9380499

0.5493805

Iron

Fe

7.82

1.25

3.04

55.8452000

69.8065000

Strunz 9th edi­tion incl. updates

9.DE.10

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

Lapis Clas­sifica­tion

VIII/F.10-128

VIII: SILIKATE
F: Ketten- und Bandsilikate
10: Zweierbänder [Si4O11] 6-; Amphibol-Gruppe; Ca2-Amphibole

Clas­sifica­tion by Hölzel

9.DH.810

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
H: Amphiboles; Calcic Amphiboles
8: Kaersutite-Group

IMA sta­tus

anerkannt - CNMNC - New minerals and nomenclature modifications approved in Jun. 2011

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Classification

Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Calcium amphiboles  ⇒ Hastingsite (Hs) amphiboles

Optical Properties

Color

braun

Lus­tre

Glasglanz

max. Birefrin­gence

0.014

Birefringence chart\! Oxo-magnesio-hastingsite title=Birefringence chart Oxo-magnesio-hastingsite

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 = 1.706(2)

RI value β

β = 1.715(2)

RI value γ / ε

γ = 1.720(2)

Ri mean

1.714

2V angle

Biaxial (-) 73° (berechnet)

Ori­enta­tion

Y = b; Z ^ c = 8°

Dis­per­sion

r > v, schwach

Pleochro­ism

stark; Z = dunkelbraun, Y = braun, X = hellbraun

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters a (Å)

9.8837

Cell param­e­ters b (Å)

18.0662

Cell param­e­ters c (Å)

5.3107

Cell param­e­ters a/b or c/a

0.547

Cell param­e­ters c/b

0.294

Cell param­e­ters α

90°

Cell param­e­ters β

105.278

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

914.77

Kristall struc­ture

Struktur bestimmt

X-Ray Pow­der Diffrac­tion

3.383(62), 3.281(30), 2.708(97), 2.596(75), 2.555(100), 2.162(36), 1.585(39), 1.521(48)

XRD chart Oxo-magnesio-hastingsite

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

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

3.19 (gemessen)

3.243 ( ρ calc. Mineralienatlas )

Cleav­ages

vollkommen {110}

(Co-)Type locality

(Co-)Type locality

Tansania/Arusha, Region/Ngorogoro/Gregory Graben/Deeti Vulkankegel

Type material

Mineralogical Museum, Department of Mineralogy, St Petersburg State University, St Petersburg, Russland

Collection number of type material

1/19465

Preface

Occurrences

Das Mineral kommt als Megakristalle bis zu 12 cm in der Größe in kristallreichen Tuffstein vor.

Author (Name, Year)

Anatoly N. Zaitsev, Evgeniya Y. Avdontseva, Sergey N. Britvin, Attila Demény, Zoltán Homonnay, Teresa Jeffries, Jörg Keller, Vladimir G. Krivovichev, Gregor Markl, Natalia V. Platonova, Oleg I. Siidra und John Spratt

References

Zaitsev, A.N., Avdontseva, E.Y., Britvin, S.N., Deme´ny, A., Homonnay, Z., Jeffries, T., Keller, J., Krivovichev, V.G., Markl, G., Platonova, N.V., Siidra, O.I. and Spratt, J. (2011) Ferrikaersutite, IMA 2011-035. CNMNC Newsletter No. 10, October 2011, page 2556;

CNMNC Newsletter No. 16, August 2013 - Mineralogical Magazine, 77 (2013), 2695-2709. - [Name-, Gruppenänderung]

A. N. Zaitsev, E. Yu. Avdontseva, S. N. Britvin, A. Demény, Z. Homonnay, T. E. Jeffries, J. Keller, V. G. Krivovichev, G. Markl, N. V. Platonova, O. I. Siidra, J. Spratt and T. Vennemann - Oxo-magnesio-hastingsite, NaCa2(Mg2Formula )(Al2Si6)O22O2, a new anhydrous amphibole from the Deeti volcanic cone, Gregory rift, northern Tanzania - Mineralogical Magazine, 77 (2013) no. 6 p. 2773-2792

IMA group assignments

Other languages

German

Oxo-Magnesio-Hastingsit

English

Oxo-magnesio-hastingsite

old name

German

Ferri-Kaersutit (2011)

English

Ferri-kaersutite (2011)

Alternative Name

German

Oxo-Magnesiohastingsit

Lapis

CNMNC (IMA)-Number

IMA 2011-035

CNMNC symbol

Symbol

Omhst

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

German pages

DeWikiPedia - search for: Oxo-Magnesio-Hastingsit
Google-Bilder-Suche - search for: Oxo-Magnesio-Hastingsit
Mineralienatlas.de (Forum) - search for: Oxo-Magnesio-Hastingsit

English pages

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

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German pages

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Locations with GPS information