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Sakuraiite

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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 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

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

German pages

DeWikiPedia - search for: Sakuraiit
Google-Bilder-Suche - search for: Sakuraiit
Mineralienatlas.de (Forum) - search for: Sakuraiit

English pages

Mindat - search for: Sakuraiite
Webmineral - search for:Sakuraiite
Handbook-of-Mineralogy - search for: Sakuraiite
RRUFF - Raman, XRD and other mineral data - search for: Sakuraiite
RRUFF - References and PDF downloads - search for: Sakuraiite
American-Mineralogist-Crystal-Structure-Database - search for: Sakuraiite
Strahlen.org - search for: Sakuraiite

Russian pages

Webmineral.ru - search for: Сакураиит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Sakuraiit
Crystal-Treasure.com - search for: Sakuraiit
Bosse - search for: Sakuraiit
Edelsteine Neuburg - Gundolf Fischer - search for: Sakuraiit

Locations with GPS information