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Manganlotharmeyerite

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Manganlotharmeyerit
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Manganlotharmeyerit
Ein 2,5-mm-Druse als angeblich Manganlotharmeyerit verifiziert. Ojuela Mine, Mapimi, Durango, Mexiko
Copyright: Jason B. Smith; Contribution: Stefan
Location: Mexiko/Durango/Mapimí, Municipio/Mapimí/Ojuela Mine
Mineral: Manganlotharmeyerite
Image: 1287754467
Rating: 5 (votes: 2)
License: Usage for Mineralienatlas project only
Manganlotharmeyerit

Ein 2,5-mm-Druse als angeblich Manganlotharmeyerit verifiziert. Ojuela Mine, Mapimi, Durango, Mexiko

Copyright: Jason B. Smith
Contribution: Stefan 2010-10-22
Locality: Ojuela Mine / Mapimí / Mapimí, Municipio / Durango / Mexiko

Collectors Summary

Color braunrot, dunkles rotorange
Streak color Hellbraun
Hardness (Mohs) 3
Cleavages deutlich {001}
Fracture unregelmäßig
Crystal System monoklin, C2/m

Chemism

Chemical formula

Ca(Mn3+,Mg)2(AsO4)2(OH,H2O)2

Chemical composition

Arsen, Calcium, Magnesium, Mangan, Sauerstoff, Wasserstoff

Unit weight: 446.99537635 u; Number of atoms in the formula: 17.5

Info

Empirical formula:

Ca(Mn0.75Mg0.25)2(AsO4)2((OH)0.75(H2O)0.25)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.56

2.5

14.29

1.0079470

2.5198675

Oxygen

O

35.79

10

57.14

15.9994300

159.9943000

Magnesium

Mg

2.72

0.5

2.86

24.3050600

12.1525300

Calcium

Ca

8.97

1

5.71

40.0784000

40.0784000

Manganese

Mn

18.44

1.5

8.57

54.9380499

82.4070749

Arsenic

As

33.52

2

11.43

74.9216020

149.8432040

Analysis wt%

Ø As2O5 : 53.41, V2O5 : 0.67, Fe2O3 : 0.91, Mn2O3 : 16.70, MgO : 3.95, NiO : 1.07, ZnO : 0.58, CaO : 12.42, H2O : 8.84 (Ref: Canadian Mineralogist 2002)

Strunz 9th edition incl. updates

8.CG.15

8: Phosphate, Arsenate, Vanadate
C: Phosphate ohne weitere Anionen, mit H2O
G: Mit großen und mittelgroßen Kationen, RO4:H2O = 1:1
15:Tsumcorit-Gruppe

Lapis Classification

VII/C.31-030

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
C: Wasserhaltige Phosphate, ohne fremde Anionen
31: Mittelgroße und große Kationen: Fe-Mn-Zn-Mg und Ca-(NH4) 1+; Tsumcorit/Gartrellit-Gruppe

Classification by Hölzel

8.DK.261

8: PHOSPHATES ARSENATES VANADATES
D: Phosphates (+Anions +Water)
K: very large=2 - very small-medium=2,3
2: with Ca, monoclinic, Lotharmeyerite-Group

Dana 8th edition

40.02.03.05

40: Hydrated Phosphates, etc
02: Hydrated Phosphates, etc where A++ (B++)2 (XO4) · x(H2O)
03: Roselite Subgroup (Monoclinic: P21/c)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Tsumcorite group

Optical Properties

Color

braunrot, dunkles rotorange

Streak color

Hellbraun

max. Birefringence

0.069

Birefringence chart\! Manganlotharmeyerite title=Birefringence chart Manganlotharmeyerite

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

1.785

RI value β

1.814

RI value γ / ε

1.854

Ri mean

1.818

2V angle

Biaxial (+) 85°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters a (Å)

9.043

Cell parameters b (Å)

6.231

Cell parameters c (Å)

7.389

Cell parameters a/b or c/a

1.451

Cell parameters c/b

1.186

Cell parameters α

90°

Cell parameters β

116.40

Cell parameters γ

90°

Z

2

Volume (ų)

372.927

X-Ray Powder Diffraction

4.93(80),
3.426(60),
3.182(100),
2.927(70),
2.822(70),
2.718(80),
2.555(100),
2.134(70)

XRD chart Manganlotharmeyerite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

3

VHN (Hardness Vickers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.77(gemessen) 3.75 (berechnet)

3.98 ( ρ calc. Mineralienatlas )

Cleavages

deutlich {001}

Fracture

unregelmäßig

Tenacity

spröde

Preface

Associations

Tilasit, Calcit, Braunit

Author (Name, Year)

Brugger & Krivovichev & Kolitsch & Meisser & Andrut & Ansermet & Burns

References

Canadian Mineralogist 40 (2002), 1597

American Mineralogist 88 (2003), 1627

IMA group assignments


 
 
Ca(Mg,Al,Fe3+)2[AsO4]2·2(H2O,OH)
monoklin
C2/m

 
 
CaCo2(AsO4)2·2H2O
monoklin
C/2m

 
 
Pb(Co,Fe3+,Ni)2[AsO4]2·2(H2O,OH)
monoklin
C2/m

 
 
CaZnFe3+(AsO4)2(OH)·H2O
monoklin
C2/m

 
 
Pb(Cu2+,Fe2+)2(AsO4,SO4)2(CO3,H2O)0.7
triklin
P1, P1

 
 
PbZn2(AsO4)2·2H2O
triklin
P1

 
 
KCu2(SO4)2[(OH)(H2O)]
monoklin
C2/m

 
 
PbMn3+2(VO4)2(OH)2
monoklin
C2/m

 
 
CaZnMn3+(As5+O3OH)2(OH)3
monoklin
C2, Cm, C2/m

 
 
Ca(Cu,Zn)(Fe3+,Zn)[AsO4]2·2(H2O,OH)
triklin
P1

 
 
Ca(Mn3+,Mg)2(AsO4)2(OH,H2O)2
monoklin
C2/m

 
 
PbFe3+2(AsO4)2(OH)2
monoklin
C2/m

 
 
PbFe3+2(VO4)2(OH)2
monoklin
C2/m

 
 
NaCu2(SO4)2(OH)·H2O
monoklin
C2/m

 
 
(Bi3+,Ca)(Ni,Co,Fe3+)2[AsO4]2·2(OH,H2O)
monoklin
C2/m

 
 
Pb(Ni,Fe3+)2(AsO4)2(H2O,OH)2
monoklin
C2/m

 
 
Pb(Cu,Fe3+)2[PO4,AsO4]2·2(H2O,OH)
triklin
P1, P1

 
 
Pb(Co,Ni,Zn)2[AsO4]2 ·2H2O
triklin
P1

 
 
(Bi3+,Ca)(Co,Ni,Fe3+)2[AsO4]2·2(OH,H2O)
monoklin
C2/m

 
 
Pb(Cu,Zn)2(AsO4)2·2H2O
monoklin
C2/m

 
 
PbZnFe2+(AsO4)2·H2O
monoklin
C2/m

 
 
PbCuAl(AsO4)2OH·H2O
triklin
P1

 
 
Pb(Zn,Fe3+,Cu)2[AsO4]2·2(H2O,OH)
triklin
P1

Refresh list

Actuality: 24. Mar 2024 - 06:57:37

Other languages

German

Manganlotharmeyerit

Spanish

Manganlotharmeyerita

English

Manganlotharmeyerite

French

Manganlotharmeyerite

Spanish

Manganolotharmeyerita

Russian

Манганлотармейерит

Traditional Chinese

砷鎂鈣錳石

Simplified Chinese

砷镁钙锰石

Alternative Name

Manganolotharmeyerite

German

Mn-Lotharmeyerit

Mn-Lotharmeyerite

CNMNC (IMA)-Number

IMA 2001-026

CNMNC symbol

Symbol

Mlmy

Locations with GPS information

IDs

GUSID (Global unique identifier short form) CBLzZfStO0Woi-n4AIMzdQ
GUID (Global unique identifier) 65F31208-ADF4-453B-A88B-E9F800833375
Database ID 2364