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Watanabeite

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Watanabeit
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Watanabeit
silbergraue Aggregate von Watanabeit, Teine Mine, Sapporo, Hokkaido, Japan; BB < 8 mm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Japan/Hokkaidō (Hokkaido), Insel/Hokkaidō (Hokkaido), Präfektur/Ishikari, Unterpräfektur/Sapporo/Teine Mine
Mineral: Watanabeite
Image: 1611238781
License: Usage for Mineralienatlas project only
Watanabeit

silbergraue Aggregate von Watanabeit, Teine Mine, Sapporo, Hokkaido, Japan; BB < 8 mm
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2021-01-21
Locality: Teine Mine / Sapporo / Ishikari, Unterpräfektur / Hokkaidō (Hokkaido), Präfektur / Hokkaidō (Hokkaido), Insel / Japan

Collectors Summary

Color silbergrau, bleigrau-met.
Streak color bleigrau
Hardness (Mohs) 4.00 - 4.50
Cleavages keine
Fracture uneben
Crystal System orthorhombisch,

Chemism

Chemical formula

Cu4(As,Sb)2S5

Chemical composition

Antimon, Arsen, Kupfer, Schwefel

Unit weight: 587.775153 u; Number of atoms in the formula: 11

Info

Empirical formula:

Cu4(As0.75Sb0.25)2S5

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

27.28

5

45.45

32.0655000

160.3275000
Copper

Cu

43.25

4

36.36

63.5463000

254.1852000
Arsenic

As

19.12

1.5

13.64

74.9216020

112.3824030
Antimony

Sb

10.36

0.5

4.55

121.7601000

60.8800500

Analysis wt%

Cu : 41.10, As : 15.40, Sb : 14.30, Bi : 2.40, S : 26.20 (Ref: Mineralogical Magazine 93)

Strunz 9th edition incl. updates

2.GC.15

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfoarsenide, Sulfoantimonide, Sulfobismuthide)
G: Sulfoarsenide, Sulfoantimonide, Sulfobismuthide
C: Poly-Sulfarsenide
15:Watanabeit-Gruppe

Lapis Classification

II/C.12-005

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
C: Sulfide mit Metall : S,Se,Te ~ 1:1

Classification by Hölzel

2.FC.120

2: SULFIDES
F: Sulfarsenites, Sulfantimonites, Sulfbismuthinites Trigonal Pyramids ~[AsS3]3-, ~[SbS3]3-, ~[BiS3]3-
C: Poly Sulfarsenites
1: Soro Sulfarsenites

Dana 8th edition

03.05.15.01

03: Sulfides - Sulfosalts
05: Sulfides - Sulfosalts where 2.5 < z/y < 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

silbergrau, bleigrau-met.

Streak color

bleigrau

Crystallography

Crystal System

orthorhombisch

Cell parameters a (Å)

14.51

Cell parameters b (Å)

13.30

Cell parameters c (Å)

17.96

Cell parameters a/b or c/a

1.091

Cell parameters c/b

1.350

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

16

Volume (ų)

3465.975

X-Ray Powder Diffraction

4.43(10),
3.36(10),
2.999(100),
2.594(20),
2.238(10),
1.975(10),
1.833(40),
1.564(10)
XRD chart Watanabeite

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

Physical Properties

Hardness (Mohs)

4.00 - 4.50

VHN (Hardness Vickers)

280 (100g)

Density (g/cm³)

4.66 (gemessen)

4.505 ( ρ calc. Mineralienatlas )

Cleavages

keine

Fracture

uneben

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Japan/Hokkaidō (Hokkaido), Insel/Hokkaidō (Hokkaido), Präfektur/Ishikari, Unterpräfektur/Sapporo/Teine Mine

Preface

Author (Name, Year)

Shimizu & Kato & Matsubara & Criddle & Stanley, 1993

References

Mineralogical Magazine 57 (1993), 643

Other languages

German

Watanabeit

French

Watanabeite

English

Watanabeite

Spanish

Watanabeíta

CNMNC (IMA)-Number

IMA 1991-025

CNMNC symbol

Symbol

Wa

Locations with GPS information

IDs

GUSID (Global unique identifier short form) RqLqlf2a0UOyD99tGZ2xMA
GUID (Global unique identifier) 95EAA246-9AFD-43D1-B20F-DF6D199DB130
Database ID 4126