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Lawsonbauerite

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Lawsonbauerit
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Lawsonbauerit

Bildbreite: 2,3 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
Lawsonbauerit
Views (Image: 1274606567): 377
Lawsonbauerit

Bildbreite: ca. 3 cm, Fundort: Sterling Mine, Franklin, New Jersey, USA
Copyright: Rob Lavinsky
Contribution: thdun5 2010-05-23
Locality: Sterling Mine / Sterling Hill / Ogdensburg / Franklin Mining District / Sussex Co. / New Jersey / USA

Collectors Summary

Color farblos, weiß
Streak color weiß
Hardness (Mohs) 4.5
Cleavages fehlt
Solubility +++ Säuren
Crystal System monoklin, P21/c

Chemism

Chem­ical formula

(Mn,Mg)9Zn4(SO4)2(OH)22·8H2O

Chem­ical com­po­si­tion

Magnesium, Mangan, Zink, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 1397.567147825 u; Number of atoms in the formula: 91

Info

Empirical formula:

(Mn0.75Mg0.25)9Zn4(SO4)2(OH)22·8H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

2.74

38

41.76

1.0079470

38.3019860
Oxygen

O

43.50

38

41.76

15.9994300

607.9783400
Magnesium

Mg

3.91

2.25

2.47

24.3050600

54.6863850
Sulfur

S

4.59

2

2.20

32.0655000

64.1310000
Manganese

Mn

26.53

6.75

7.42

54.9380499

370.8318368
Zinc

Zn

18.72

4

4.40

65.4094000

261.6376000

Strunz 9th edi­tion incl. updates

7.DD.40

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
D: Sulfate (Selenate, etc.) mit weitere Anionen, mit H2O
D: mit mittelgroßen Kationen; Lagen von kantenverknüpften Oktaedern
40:Torreyit-Gruppe

Lapis Clas­sifica­tion

VI/D.04-030

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
D: Wasserhaltige Sulfate, mit fremden Anionen
4: Mittelgroße Kationen

Clas­sifica­tion by Hölzel

7.DD.760

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
D: Sulfates (+Anions +Water)
D: Sulfate-Hydrotalcites

Dana 8th edi­tion

31.01.04.02

31: Hydrated Sulfates Containing Hydroxyl or Halogen
01: Hydrated Sulfates Containing Hydroxyl or Halogen where (A+ B++)m (XO4)p Zq·x(H2O), where m:p>6:1

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

farblos, weiß

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

max. Birefrin­gence

0.021
Birefringence chart\! Lawsonbauerite title=Birefringence chart Lawsonbauerite

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

1.590

RI value β

1.608

RI value γ / ε

1.611

Ri mean

1.603

2V angle

Biaxial (-) 42°

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/c

Cell param­e­ters a (Å)

10.50

Cell param­e­ters b (Å)

9.64

Cell param­e­ters c (Å)

16.41

Cell param­e­ters a/b or c/a

1.089

Cell param­e­ters c/b

1.702

Cell param­e­ters α

90°

Cell param­e­ters β

95.22

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

1654.131

X-Ray Pow­der Diffrac­tion

10.5(100),
6.24(30),
5.24(60),
4.77(20),
3.90(50),
3.33(30),
2.772(40),
1.587(50)
XRD chart Lawsonbauerite

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)

4.5

Density (g/cm³)

2.87

2.806 ( ρ calc. Mineralienatlas )

Cleav­ages

fehlt

Insta­bil­ity

+++ Säuren

(Co-)Type locality

(Co-)Type locality

USA/New Jersey/Sussex Co./Franklin Mining District/Ogdensburg/Sterling Hill/Sterling Mine

Preface

Name from

dem amerikanischen Mineralogen Lawson H. Bauer

Author (Name, Year)

Dunn & Peacor & Sturman, 1979

References

American Mineralogist 64 (1979), 949

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Torreyite

(Mg,Mn)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/a

7.DD.40

Lawsonbauerite

(Mn,Mg)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/c

7.DD.40

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Mooreite

(Mg,Zn,Mn)15(SO4)2(OH)26·8H2O

monoklin : 2/m : P21/a

VI/D.04-010

Torreyite

(Mg,Mn)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/a

VI/D.04-020

Lawsonbauerite

(Mn,Mg)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/c

VI/D.04-030

Hauckite

(Mg,Mn2+)24Zn18Fe33+(SO4)4(CO3)2(OH)81

VI/D.04-050

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Chalcoalumite

CuAl4(SO4)(OH)12·3H2O

monoklin : 2 : P21

7.DD.700

Mooreite

(Mg,Zn,Mn)15(SO4)2(OH)26·8H2O

monoklin : 2/m : P21/a

7.DD.720

Torreyite

(Mg,Mn)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/a

7.DD.750

Lawsonbauerite

(Mn,Mg)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/c

7.DD.760

Thérèsemagnanite

NaCo4(SO4)(OH)6Cl·6H2O

trigonal : 3 : P3

7.DD.770

Guarinoite

(Zn,Co,Ni)6(SO4)(OH,Cl)10·5H2O

7.DD.780

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Connellite

Cu36(SO4)(OH)62Cl8·6H2O

hexagonal : 6/mmm : P63/mmc

 31.01.01.01

Mooreite

(Mg,Zn,Mn)15(SO4)2(OH)26·8H2O

monoklin : 2/m : P21/a

 31.01.03.01

Torreyite

(Mg,Mn)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/a

 31.01.04.01

Lawsonbauerite

(Mn,Mg)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/c

 31.01.04.02

Spangolite

Cu6Al(SO4)(OH)12Cl·3H2O

trigonal : 3m : P31c

 31.01.05.01

Bechererite

Zn7Cu[(OH)13|SiO(OH)3|SO4]

trigonal : 3, 3 : P3, P3

 31.01.06.02

Pseudojohannite

Cu6.5(UO2)8O8(SO4)4(OH)5·25H2O

triklin : 1 : P1

 31.01.07.01

Other languages

German

Lawsonbauerit

Spanish

Lawsonbauerita

French

Lawsonbauerite

English

Lawsonbauerite

Russian

Лоусонбауерит

IMA Number

IMA 1979-004

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

German pages

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Mineralogisch-Petrographisches-Institut Hamburg - search for: Lawsonbauerit

English pages

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RRUFF - References and PDF downloads - search for: Lawsonbauerite
American-Mineralogist-Crystal-Structure-Database - search for: Lawsonbauerite
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Russian pages

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German pages

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