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Henritermierite (Henritermierit)

Pictures (4 Images total)

Henritermierit
Views (Image: 1255115610): 1415
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 (Image: 1255115639): 1123
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 (Image: 1323007008): 1045
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 (Image: 1642180614): 56
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

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

Volumne (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

 
{X3}[Y2](Z3)φ12
 
 


 
 
 
{Ca3}[Mn3+2](Si2)(☐)O8(OH)4
tetragonal
I41/acd

 
 
 
{Ca3}[Al2](Si2)(☐)O8(OH)4
tetragonal
I41/acd

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Actuality: 19. May 2022 - 11:58:19

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

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

German pages

DeWikiPedia - search for: Henritermierit
Google-Bilder-Suche - search for: Henritermierit
Mineralienatlas.de (Forum) - search for: Henritermierit

English pages

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

Russian pages

Webmineral.ru - search for: Генритермьерит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Henritermierit
Crystal-Treasure.com - search for: Henritermierit
Bosse - search for: Henritermierit
Edelsteine Neuburg - Gundolf Fischer - search for: Henritermierit

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