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Henritermierite

Pictures (4 Images total)

Henritermierit
Views (File:
1255115610
): 1510
Henritermierit
Größe: 45x40x30 mm; Fundort: Wessels Mine, Hotazel, Kalahari Manganese Fields, Provinz Nordkap, Südafrika
Copyright: Rob Lavinsky; Contribution: slugslayer
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine)
Mineral: Henritermierite
Image: 1255115610
License: Usage for Mineralienatlas project only
Henritermierit

Größe: 45x40x30 mm; Fundort: Wessels Mine, Hotazel, Kalahari Manganese Fields, Provinz Nordkap, Südafrika

Copyright: Rob Lavinsky
Contribution: slugslayer 2009-10-09
Locality: Wessel's Mine (Wessels Mine) / Hotazel / Kalahari Manganese Field / Nordkap (Northern Cape), Provinz / Südafrika
Henritermierit
Views (File:
1255115639
): 1183
Henritermierit
Größe: 85x76x70 mm; Fundort: Wessels Mine, Hotazel, Kalahari Manganese Fields, Provinz Nordkap, Südafrika
Copyright: Rob Lavinsky; Contribution: slugslayer
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine)
Mineral: Henritermierite
Image: 1255115639
License: Usage for Mineralienatlas project only
Henritermierit

Größe: 85x76x70 mm; Fundort: Wessels Mine, Hotazel, Kalahari Manganese Fields, Provinz Nordkap, Südafrika

Copyright: Rob Lavinsky
Contribution: slugslayer 2009-10-09
Locality: Wessel's Mine (Wessels Mine) / Hotazel / Kalahari Manganese Field / Nordkap (Northern Cape), Provinz / Südafrika
Henritermierit
Views (File:
1323007008
): 1129
Henritermierit
Bildbreite: 1 mm; Fundort: Tachgagalt Mine, Provinz Ouarzazate, Region Souss-Massa-Draa, Marokko
Copyright: Mabu; Contribution: slugslayer
Collection: Mabu
Location: Marokko/Drâa-Tafilalet, Region/Zagora, Provinz/Agdz, Cercle/Tachgagalt/Tachgagalt Mine
Mineral: Henritermierite
Image: 1323007008
License: Usage for Mineralienatlas project only
Henritermierit

Bildbreite: 1 mm; Fundort: Tachgagalt Mine, Provinz Ouarzazate, Region Souss-Massa-Draa, Marokko

Collection: Mabu
Copyright: Mabu
Contribution: slugslayer 2011-12-04
Locality: Tachgagalt Mine / Tachgagalt / Agdz, Cercle / Zagora, Provinz / Drâa-Tafilalet, Region / Marokko
Henritermierit
Views (File:
1642180614
): 100
Henritermierit
Diese Stufe von der Wessel's Mine im Kalahari Manganese Field in Südafrika trägt hellorange Krusten von Henritermierit. Bildbreite etwa 7 mm
Copyright: Klaus Schäfer; Contribution: Klaus Schäfer
Collection: Klaus Schäfer, Collection number: KMF-Henr-5-1-1
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine)
Mineral: Henritermierite
Image: 1642180614
License: Usage for Mineralienatlas project only
Henritermierit (SNr: KMF-Henr-5-1-1)

Diese Stufe von der Wessel's Mine im Kalahari Manganese Field in Südafrika trägt hellorange Krusten von Henritermierit. Bildbreite etwa 7 mm

Collection: Klaus Schäfer
Copyright: Klaus Schäfer
Contribution: Klaus Schäfer 2022-01-14
Locality: Wessel's Mine (Wessels Mine) / Hotazel / Kalahari Manganese Field / Nordkap (Northern Cape), Provinz / Südafrika

You find additional specimen at the Geolitho Museum

Collectors Summary

Color nelkenbraun, orangebraun
Solubility +++ HNO3, warme HCl, + kalte HCl
Crystal System tetragonal, I41/acd

Chemism

Chemical formula

{Ca3}[Mn3+2](Si2)(☐)O8(OH)4

Chemical composition

Calcium, Mangan, Silicium, Sauerstoff, Wasserstoff, Vakanz

Unit weight: 482.30730781 u; Number of atoms in the formula: 24

Info

Empirical formula:

{Ca3}[Mn2](Si2)(Vc)O8(OH)4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Vacancy

Vc

0.00

1

4.17

0.0000000

0.0000000

Hydrogen

H

0.84

4

16.67

1.0079470

4.0317880

Oxygen

O

39.81

12

50.00

15.9994300

191.9931600

Silicon

Si

11.65

2

8.33

28.0855300

56.1710600

Calcium

Ca

24.93

3

12.50

40.0784000

120.2352000

Manganese

Mn

22.78

2

8.33

54.9380499

109.8760998

Strunz 9th edition incl. updates

9.AD.25

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
D: Insel(Neso)silikate ohne weitere Anionen; Kationen in oktahedraler [6] und gewöhnlich größerer Koordination
25:Granat-Gruppe

Lapis Classification

VIII/A.08-220

VIII: SILIKATE
A: Inselsilikate mit [SiO4] 4--Baugruppen
8: Kationen in kubischer und oktaedrischer Koordination [8+6]; Granat-Gruppe

Classification by Hölzel

9.AC.720

9: SILICATES
A: Nesosilicates
C: Garnet-Group
7: Hydrogarnets

Dana 8th edition

51.04.04.01

51: Nesosilicate Minerals
04: Nesosilicates Nesosilicate Insular SiO4 Groups Only with cations in [6] and >[6] coordination
04: Garnet group (Tetragonal Hydrogarnet)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Garnet supergroup  ⇒ Silicate garnets; Henritermierite group (Z charge 8)

Optical Properties

Color

nelkenbraun, orangebraun

max. Birefringence

0.035

Birefringence chart\! Henritermierite title=Birefringence chart Henritermierite

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

1.765

RI value γ / ε

1.800

Ri mean

1.777

2V angle

Uniaxial (+)

Crystallography

Crystal System

tetragonal

Class (H-M)

4/mmm

Space Group number

142

Space Group

I41/acd

Cell parameters a (Å)

12.39

Cell parameters b (Å)

-

Cell parameters c (Å)

11.91

Cell parameters a/b or c/a

0.961

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

8

Volume (ų)

1828.329

X-Ray Powder Diffraction

6.21(40),
4.37(80),
3.09(80),
2.98(80),
2.75(100),
2.684(70),
2.516(90),
1.614(70)

XRD chart Henritermierite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

3.34

3.504 ( ρ calc. Mineralienatlas )

Instability

+++ HNO3, warme HCl, + kalte HCl

Preface

Author (Name, Year)

Gaudefroy & Orliac & Permingeat & Parfenoff, 1969

References

Bulletin de la Société Française Minéralogie et de Cristallographie 92 (1969), 185.

Grew, E.S., Locock, A.J., Mills, S.J., Galuskina, I.O., Galuskin, E.V., Halenius, U., 2012; Nomenclature of the garnet supergroup. American Mineralogist; preprint December 2012 - [Formel]

IMA group assignments

Other languages

German

Henritermierit

Spanish

Henritermierita

French

Henritermierite

English

Henritermierite

Russian

Генритермьерит

Traditional Chinese

水鈣錳榴石

Simplified Chinese

水钙锰榴石

CNMNC (IMA)-Number

IMA 1968-029

CNMNC symbol

Symbol

Hri

Locations with GPS information

IDs

GUSID (Global unique identifier short form) u5_pi6fYHEyV5Sd6dYjRrQ
GUID (Global unique identifier) 8BE99FBB-D8A7-4C1C-95E5-277A7588D1AD
Database ID 1568