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Manganohörnesite (Manganohörnesit)

Pictures (3 Images total)

Manganhörnesit xx
Views (File:
1131375241
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Manganhörnesit xx
winzige, leicht rosane Kriställchen; 1,5 mm Bildbreite; Fundstelle: Schmiedestollen, Wittichen, Schwarzwald, Baden-Württemberg, Deutschland
Copyright: hfwf; Contribution: Mineralienatlas
Location: Deutschland/Baden-Württemberg/Freiburg, Bezirk/Rottweil, Landkreis/Wittichen/Schmiedestollenhalde
Mineral: Manganohörnesite
Image: 1131375241
Rating: 4 (votes: 2)
License: Usage for Mineralienatlas project only
Manganhörnesit xx

winzige, leicht rosane Kriställchen; 1,5 mm Bildbreite; Fundstelle: Schmiedestollen, Wittichen, Schwarzwald, Baden-Württemberg, Deutschland

Copyright: hfwf
Contribution: Mineralienatlas 2005-11-07
Locality: Schmiedestollenhalde / Wittichen / Rottweil, Landkreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland
Manganohörnesit
Views (File:
1274609776
): 747
Manganohörnesit
Bildbreite: 2,1 mm, Fundort: Sterling Mine, Franklin, New Jersey, USA
Copyright: Public Domain; Contribution: thdun5
Location: USA/New Jersey/Sussex Co./Franklin Mining District/Ogdensburg/Sterling Hill/Sterling Mine
Mineral: Manganohörnesite
Image: 1274609776
License: Usage for Mineralienatlas project only
Manganohörnesit

Bildbreite: 2,1 mm, Fundort: Sterling Mine, Franklin, New Jersey, USA

Copyright: Public Domain
Contribution: thdun5 2010-05-23
Locality: Sterling Mine / Sterling Hill / Ogdensburg / Franklin Mining District / Sussex Co. / New Jersey / USA
Manganohörnesit, Neue Hoffnung Wilnsdorf
Views (File:
1664908188
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Manganohörnesit, Neue Hoffnung Wilnsdorf
Bildbreite 1,0 mm
Copyright: Matthias Reinhardt; Contribution: husi
Collection: Lithothek der Münchener Micromounter, Collection number: A046543, Donator: husi
Location: Deutschland/Nordrhein-Westfalen/Arnsberg, Bezirk/Siegen-Wittgenstein, Kreis/Wilnsdorf/Wilgersdorf/Grube Neue Hoffnung
Mineral: Manganohörnesite
Image: 1664908188
License: Usage for Mineralienatlas project only
Manganohörnesit, Neue Hoffnung Wilnsdorf (SNr: A046543)  E
Analysed with energy dispersive X-ray spectroscopy EDX

Bildbreite 1,0 mm

Collection: Lithothek der Münchener Micromounter
Copyright: Matthias Reinhardt
Contribution: husi 2022-10-04
Locality: Grube Neue Hoffnung / Wilgersdorf / Wilnsdorf / Siegen-Wittgenstein, Kreis / Arnsberg, Bezirk / Nordrhein-Westfalen / Deutschland

You find additional specimen at the Geolitho Museum

Collectors Summary

Color weiß
Streak color weiß
Hardness (Mohs) 1
Solubility +++ Säuren

Chemism

Chemical formula

(Mn,Mg)3(AsO4)2·8H2O

Chemical composition

Arsen, Magnesium, Mangan, Sauerstoff, Wasserstoff

Unit weight: 563.800643275 u; Number of atoms in the formula: 37

Info

Empirical formula:

(Mn0.75Mg0.25)3(AsO4)2·8H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.86

16

43.24

1.0079470

16.1271520

Oxygen

O

45.40

16

43.24

15.9994300

255.9908800

Magnesium

Mg

3.23

0.75

2.03

24.3050600

18.2287950

Manganese

Mn

21.92

2.25

6.08

54.9380499

123.6106123

Arsenic

As

26.58

2

5.41

74.9216020

149.8432040

Analysis wt%

MnO : 22.87, MgO : 9.47, As2O5 : 40.78, CO2 : 1.35, H2O : 25.64 (Ref: Ark.Min.Geol.51)

Strunz 9th edition incl. updates

8.CE.40

8: Phosphate, Arsenate, Vanadate
C: Phosphate ohne weitere Anionen, mit H2O
E: Mit ausschließlich mittelgroßen Kationen, RO4:H2O = 1:2.5
40:Vivianit-Gruppe

Lapis Classification

VII/C.13-055

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
C: Wasserhaltige Phosphate, ohne fremde Anionen
13: Kleine und mittelgroße Kationen: Be und Al-Mn-Fe-Cu-Zn-Mg; Vivianit-Gruppe

Classification by Hölzel

8.CB.470

8: PHOSPHATES ARSENATES VANADATES
C: Phosphates (-Anions +Water)
B: Valency: 2, C medium, Me3~[XO4]2*nH2O
4: nH2O=8, monoclinic Vivianite-Group

Optical Properties

Color

weiß

Streak color

weiß

max. Birefringence

0.030

Birefringence chart\! Manganohörnesite title=Birefringence chart Manganohörnesite

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

1.579

RI value β

1.589

RI value γ / ε

1.609

Ri mean

1.592

2V angle

Biaxial (+) 68°~

Crystallography

Cell parameters a (Å)

10.38

Cell parameters b (Å)

28.09

Cell parameters c (Å)

4.774

Cell parameters a/b or c/a

0.370

Cell parameters c/b

0.170

Cell parameters α

90°

Cell parameters β

105.67

Cell parameters γ

90°

Z

4

Volume (ų)

1340.2

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

1

Density (g/cm³)

2.64 (gemessen)

2.794 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

Other languages

German

Manganohörnesit

Spanish

Manganohörnesita

English

Manganohörnesite

old name

Spanish

Manganesohörnesita

German

Manganhörnesit

Alternative Name

English

Manganesehornesite

French

Manganesehornesite

CNMNC symbol

Symbol

Mhns

Locations with GPS information

IDs

GUSID (Global unique identifier short form) qy9XwBYO7EukNvfntSiUjA
GUID (Global unique identifier) C0572FAB-0E16-4BEC-A436-F7E7B528948C
Database ID 2360