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Rumoiite

Pictures (2 Images total)

Gold mit Einschlüssen von Rumoiit und Shosanbetsuit
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Gold mit Einschlüssen von Rumoiit und Shosanbetsuit

AuSn2, Orthorhombic (Rumoiite); Ag3Sn, Orthorhombic (Shosanbetsuite); Minamichiyoda, Shosanbetsu village, Rumoi Subprefecture, Hokkaido, Japan

Copyright: Daisuke NISHIO-HAMANE
Contribution: Stefan 2019-05-27
Locality: Minamichiyoda / Shosanbetsu, Dorf / Tomamae, Landkreis / Rumoi, Unterpräfektur / Hokkaido, Präfektur / Hokkaido / Japan
Synthetischer Rumoiit
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Synthetischer Rumoiit

Synthetischer Rumoiit

Copyright: Daisuke NISHIO-HAMANE
Contribution: Stefan 2019-05-28

Collectors Summary

Crystal System orthorhombisch, Pbca

Chemism

Chem­ical formula

AuSn2

Chem­ical com­po­si­tion

Gold, Zinn

Unit weight: 434.387952 u; Number of atoms in the formula: 3

Info

Empirical formula:

AuSn2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Tin

Sn

54.66

2

66.67

118.7107000

237.4214000

Gold

Au

45.34

1

33.33

196.9665520

196.9665520

Strunz 9th edi­tion incl. updates

2

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)

IMA sta­tus

anerkanntes Mineral April 2019 - CNMNC Newsletter 49

Min­eral sta­tus

anerkanntes Mineral

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mmm

Space Group number

61

Space Group

Pbca

Cell param­e­ters a (Å)

6.905(2)

Cell param­e­ters b (Å)

7.017(2)

Cell param­e­ters c (Å)

11.797(3)

Cell param­e­ters a/b or c/a

0.984

Cell param­e­ters c/b

1.681

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Volumne (ų)

571.593

Kristall struc­ture

Bekanntes synthetisches Analogon

X-Ray Pow­der Diffrac­tion

4.542(58), 3.774(48), 2.950(100), 2.711(52), 2.409(41), 2.244(56), 2.136(47), 2.123(65)

XRD chart Rumoiite

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

(Co-)Type locality

(Co-)Type locality

Japan/Hokkaido/Hokkaido, Präfektur/Rumoi, Unterpräfektur/Tomamae, Landkreis/Shosanbetsu, Dorf/Minamichiyoda

Type mate­r­ial

Das Typenmaterial ist in den mineralogischen Sammlungen des National Museum of Nature and Science, Tsukuba, Japan, unter der Probennummer NSM-M46178 (Holotyp) und M46179 (Cotyp) hinterlegt.

Preface

Author (Name, Year)

Daisuke Nishio-Hamane und Katsuyuki Saito (2019)

References

Nishio-Hamane, D. and Saito, K. (2019) Rumoiite, IMA 2018-161. CNMNC Newsletter No. 49, June 2019, page xxx; Mineralogical Magazine, 83, 323–328.

Other languages

German

Rumoiit

English

Rumoiite

IMA Number

IMA 2018-161

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

German pages

DeWikiPedia - search for: Rumoiit
Google-Bilder-Suche - search for: Rumoiit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Rumoiit

English pages

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

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Rumoiit
Crystal-Treasure.com - search for: Rumoiit
Bosse - search for: Rumoiit

Locations with GPS information