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Sakuraiite (Sakuraiit)

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Sakuraiit (xx)
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Sakuraiit (xx)
Graubraune metallische Skauraiit (xx); Bildbreite 27 mm; Fundort: Ikuno Mine, Asago, Hyogo Pref., Honshu, Japan
Copyright: Andi_Y; Contribution: Andi_Y
Location: Japan/Honshu/Kinki, Region/Hyogo, Präfektur/Asago/Ikuno Mine
Mineral: Sakuraiite
Image: 1145133469
Rating: 5 (votes: 1)
License: Usage for Mineralienatlas project only
Sakuraiit (xx)

Graubraune metallische Skauraiit (xx); Bildbreite 27 mm; Fundort: Ikuno Mine, Asago, Hyogo Pref., Honshu, Japan
Copyright: Andi_Y
Contribution: Andi_Y 2006-04-15
Locality: Ikuno Mine / Asago / Hyogo, Präfektur / Kinki, Region / Honshu / Japan

Collectors Summary

Color purpurfarben olive-grau mit einem roten Farbton
Streak color lead olive grau
Hardness (Mohs) 4.5
Solubility +++ konz. HNO3
Crystal System kubisch,

Chemism

Chemical formula

(Cu,Zn,Fe)3(In,Sn)S4

Chemical composition

Eisen, Indium, Kupfer, Zink, Zinn, Schwefel

Unit weight: 434.05876 u; Number of atoms in the formula: 8

Info

Empirical formula:

(Cu0.6Zn0.3Fe0.1)3(In0.75Sn0.25)S4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

29.55

4

50.00

32.0655000

128.2620000
Iron

Fe

3.86

0.3

3.75

55.8452000

16.7535600
Copper

Cu

26.35

1.8

22.50

63.5463000

114.3833400
Zinc

Zn

13.56

0.9

11.25

65.4094000

58.8684600
Indium

In

19.84

0.75

9.38

114.8183000

86.1137250
Tin

Sn

6.84

0.25

3.13

118.7107000

29.6776750

Analysis wt%

Cu : 19.69, Fe : 6.34, Zn : 16.73, Cd : 0.58, Sn : 9.12, In : 18.19, S : 29.04 (Ref: Canadian Mineralogist 86)

Strunz 9th edition incl. updates

2.CB.05

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
C: Metallsulfide, M : S = 1 : 1 (und ähnliche)
B: mit Zink (Zn), Eisen (Fe), Kupfer (Cu), Silber (Ag), usw.
05:Sphalerit-Gruppe

Lapis Classification

II/C.06-130

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

Classification by Hölzel

2.CB.460

2: SULFIDES
C: Sulfides (etc) with Me/S=1/1
B: With Zn,Cu (etc), Coordination Number ~[4] Framework of Cornersharing Tetrahedra: Sphalerite-Germanite-Family
4: Luzonite-Hemusite-Group

Dana 8th edition

02.09.02.05

02: Sulfide Minerals
09: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:1
02: Stannite Group (Tetragonal: I-42m) A2BCS type

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

purpurfarben olive-grau mit einem roten Farbton

Streak color

lead olive grau

Diaphaneity (Transparency)

opak

Crystallography

Crystal System

kubisch

Cell parameters a (Å)

5.456

Cell parameters b (Å)

-

Cell parameters c (Å)

-

Cell parameters a/b or c/a

1

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

1

Volumne (ų)

162.414

X-Ray Powder Diffraction

5.47(10),
3.15(100),
2.742(30),
1.932(60),
1.647(40),
1.251(20),
1.113(30),
1.049(20)
XRD chart Sakuraiite

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

Physical Properties

Hardness (Mohs)

4.5

VHN (Hardness Vickers)

265 (100g)

Density (g/cm³)

4.45 (berechnet)

4.438 ( ρ calc. Mineralienatlas )

Instability

+++ konz. HNO3

(Co-)Type locality

(Co-)Type locality

Japan/Honshu/Kinki, Region/Hyogo, Präfektur/Asago/Ikuno Mine

Paragenesis of type material

Stannit, Sphalerit, Quarz, Matildit, Chalcopyrit, Cassiterit, Calcit, Arsenopyrit

Preface

Name from

Zu Ehren von Dr. Kin-ichi Sakurai (1912–1993), Amateur Mineraloge aus Tokio, Japan

Author (Name, Year)

Kato, 1965

References

Chigaku Kenkyu (in Japanese) Sakurai Vol. (1965), 1

Kissin, S. A., Owens, D. R. - The crystallography of sakuraiite. The Canadian Mineralogist 24 (1986), 679-683.

Shimizu, M., Kato, A., Shiozawa, T. - Sakuraiite: chemical composition and extent of (Zn,Fe)In-for-CuSn substitution. The Canadian Mineralogist 24 (1986), 405-409.

American Mineralogist 73 (1988), 934

Other languages

German

Sakuraiit

French

Sakuraiite

English

Sakuraiite

Spanish

Sakuraiíta

Russian

Сакураиит

Alternative Name

Japanese

桜井鉱

CNMNC (IMA)-Number

IMA 1965-017

CNMNC symbol

Symbol

Sak

Locations with GPS information