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Namuwite

Pictures (39 Images total)

Namuwit
Views (Image: 1326814372): 741
Namuwit

Größe: 0,71 mm; Fundort: Monte Trisa, Val Mercanti, Torrebelvicino, Vicenza, Venetien (Veneto), Italien
Copyright: Matteo Chinellato
Contribution: Hg 2012-01-17
Locality: Monte Trisa / Val Mercanti / Torrebelvicino / Vicenza, Provinz / Venetien (Veneto), Region / Italien
Namuwit (Visuell bestimmt)
Views (Image: 1365791784): 2801
Namuwit (Visuell bestimmt) (SNr: A037618)  D

Hellgrüne, mattglänzende tafelig Kristalle neben Gips. BB 2,8 mm, Fundort: Deutschland/Nordrhein-Westfalen/Arnsberg, Regierungsbezirk/Hochsauerlandkreis/Bestwig/Ramsbeck/Grube Alexander.
Collection: Lithothek der Münchener Micromounter
Copyright: Bebo
Contribution: Bebo 2013-04-12
Locality: Grube Alexander / Ramsbeck / Bestwig / Hochsauerlandkreis / Arnsberg, Bezirk / Nordrhein-Westfalen / Deutschland
Namuwit
Views (Image: 1344680642): 2928, Rating: 8
Namuwit

Bildbreite: 1,55 mm; Grube Friedrichssegen
Collection: loparit
Copyright: loparit
Contribution: loparit 2012-08-11
Locality: Grube Friedrichssegen / Bad Ems / Rhein-Lahn-Kreis / Rheinland-Pfalz / Deutschland
Namuwit
Views (Image: 1331580277): 1090
Namuwit (SNr: A023555)

Dünntafelige hexagonale weiße Kristalle, BB = 5,9 mm, Fundort: Kupferkammer, Hettstedt, Mansfeld Südharz, Sachsen-Anhalt.
Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2012-03-12
Locality: Kupferkammer / Hettstedt / Mansfeld-Südharz, Landkreis / Sachsen-Anhalt / Deutschland
Namuwit
Views (Image: 1333996949): 1129
Namuwit (SNr: A023140)

Dünntafelige hexagonale grüne Kristalle, BB = 2,5 mm, Fundort: Oberhütte, Eisleben, Mansfeld-Südharz, Sachsen-Anhalt,
Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2012-04-09
Locality: Oberhütte / Lutherstadt Eisleben / Mansfeld-Südharz, Landkreis / Sachsen-Anhalt / Deutschland
Namuwit
Views (Image: 1197713370): 1872
Namuwit

Grube Silberkaule, Heckhaus, Engelskirchen, Bergisches Land, Nordrhein-Westfalen, Deutschland
(EDX-Analyse)
(Bildbreite ca. 1,6 mm)
Collection: MichaelP
Copyright: MichaelP
Contribution: MichaelP 2007-12-15
Locality: Grube Silberkaule / Heckhaus / Engelskirchen / Oberbergischer Kreis / Köln, Bezirk / Nordrhein-Westfalen / Deutschland

Collectors Summary

Color hellgrün, blass meeresgrün
Streak color blass grün
Hardness (Mohs) 2
Solubility +++ Säuren
Crystal System trigonal, P3

Chemism

Chem­ical formula

(Zn,Cu)4(SO4)(OH)6·4H2O

Chem­ical com­po­si­tion

Kupfer, Zink, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 529.943278 u; Number of atoms in the formula: 33

Info

Empirical formula:

(Zn0.75Cu0.25)4(SO4)(OH)6·4H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

2.66

14

42.42

1.0079470

14.1112580
Oxygen

O

42.27

14

42.42

15.9994300

223.9920200
Sulfur

S

6.05

1

3.03

32.0655000

32.0655000
Copper

Cu

11.99

1

3.03

63.5463000

63.5463000
Zinc

Zn

37.03

3

9.09

65.4094000

196.2282000

Anal­y­sis wt%

ZnO : 37.80, CuO : 22.00, SO3 : 14.90, H2O : 24.50 (Ref: Mineralogical Magazine 82)

Strunz 9th edi­tion incl. updates

7.DD.50

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

Lapis Clas­sifica­tion

VI/D.03-040

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

Clas­sifica­tion by Hölzel

7.DB.650

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
D: Sulfates (+Anions +Water)
B: Langite-Group

Dana 8th edi­tion

31.04.07.01

31: Hydrated Sulfates Containing Hydroxyl or Halogen
04: Hydrated Sulfates Containing Hydroxyl or Halogen where (A+ B++)4 (XO4) Zq·x(H2O)

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

hellgrün, blass meeresgrün

Streak color

blass grün

max. Birefrin­gence

0.001~
Birefringence chart\! Namuwite title=Birefringence chart Namuwite

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

1.577

RI value γ / ε

1.577

Ri mean

1.577

Crystallography

Crystal Sys­tem

trigonal

Class (H-M)

3

Space Group number

147

Space Group

P3

Cell param­e­ters a (Å)

8.29

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

10.50

Cell param­e­ters a/b or c/a

1.267

Cell param­e­ters c/b

-

Z

2

Volumne (ų)

624.927

X-Ray Pow­der Diffrac­tion

10.59(100),
5.31(10),
4.15(20),
2.71(40),
2.63(40),
2.41(20),
1.57(20),
1.55(20)
XRD chart Namuwite

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)

2

VHN (Hard­ness Vick­ers)

32 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.77

2.816 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ Säuren

(Co-)Type locality

(Co-)Type locality

UK/Wales/Conwy (Gwynedd; Caernarvonshire)/Gwydyr Forest Area/Aberllyn Lead Mine

Preface

Author (Name, Year)

Bevins & Turgoose & Williams, 1982

References

Mineralogical Magazine 46 (1982), 51

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

Namuwite

(Zn,Cu)4(SO4)(OH)6·4H2O

trigonal : 3 : P3

7.DD.50

Lahnsteinite

Zn4(SO4)(OH)6·3H2O

triklin : 1 : P1

7.DD.50

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

Montetrisaite

Cu6(SO4)(OH)10·2 H2O

orthorhombisch : mm2 : Cmc21

VI/D.03-003

Redgillite

Cu6(OH)10(SO4)·H2O

monoklin : 2/m : P21/c

VI/D.03-005

Posnjakite

Cu4(SO4)(OH)6·H2O

monoklin : m : Pa

VI/D.03-010

Langite

Cu4(SO4)(OH)6·2H2O

monoklin : m : Pc

VI/D.03-020

Wroewolfeite

Cu4(SO4)(OH)6·2H2O

monoklin : m : Pc

VI/D.03-030

Namuwite

(Zn,Cu)4(SO4)(OH)6·4H2O

trigonal : 3 : P3

VI/D.03-040

Osakaite

Zn4SO4(OH)6·5H2O

triklin : 1 : P1

VI/D.03-045

Guarinoite

(Zn,Co,Ni)6(SO4)(OH,Cl)10·5H2O

VI/D.03-050

Thérèsemagnanite

NaCo4(SO4)(OH)6Cl·6H2O

trigonal : 3 : P3

VI/D.03-055

Schulenbergite

(Cu,Zn)7(SO4,CO3)2(OH)10·3H2O

trigonal : 3, 3 : P3, P3

VI/D.03-060

Christelite

Zn3Cu2[(OH)6|(SO4)2]·4H2O

triklin : 1 : P1

VI/D.03-065

Ktenasite

ZnCu4(SO4)2(OH)6·6H2O

monoklin : 2/m : P21/c

VI/D.03-070

Ramsbeckite

(Cu,Zn)15(SO4)4(OH)22·6H2O

monoklin : 2/m : P21/a

VI/D.03-075

Nakauriite

Cu8(SO4)4(CO3)(OH)6·48H2O

VI/D.03-090

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

Langite

Cu4(SO4)(OH)6·2H2O

monoklin : m : Pc

7.DB.600

Posnjakite

Cu4(SO4)(OH)6·H2O

monoklin : m : Pa

7.DB.610

Wroewolfeite

Cu4(SO4)(OH)6·2H2O

monoklin : m : Pc

7.DB.620

Lahnsteinite

Zn4(SO4)(OH)6·3H2O

triklin : 1 : P1

7.DB.630

Namuwite

(Zn,Cu)4(SO4)(OH)6·4H2O

trigonal : 3 : P3

7.DB.650

Osakaite

Zn4SO4(OH)6·5H2O

triklin : 1 : P1

7.DB.670

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

Posnjakite

Cu4(SO4)(OH)6·H2O

monoklin : m : Pa

 31.04.01.01

Wroewolfeite

Cu4(SO4)(OH)6·2H2O

monoklin : m : Pc

 31.04.02.01

Langite

Cu4(SO4)(OH)6·2H2O

monoklin : m : Pc

 31.04.03.01

Felsőbányait

Al4(SO4)(OH)10·4H2O

monoklin : 2 : P21

 31.04.04.01

Hydrobasaluminite

Al4(SO4)(OH)10·15H2O

 31.04.06.01

Namuwite

(Zn,Cu)4(SO4)(OH)6·4H2O

trigonal : 3 : P3

 31.04.07.01

'Natroglaucocerinite'

NaZn5Al3[(OH)16|(SO4)2]·6H2O

trigonal : 3 : P3

 31.04.08.02

Ramsbeckite

(Cu,Zn)15(SO4)4(OH)22·6H2O

monoklin : 2/m : P21/a

 31.04.09.01

Other languages

German

Namuwit

Spanish

Namuwita

English

Namuwite

French

Namuwite

Russian

Намууит

IMA Number

IMA 1981-020

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

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