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Rumoiite

Pictures (2 Images total)

Gold mit Einschlüssen von Rumoiit und Shosanbetsuit
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1558991162
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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
Location: Japan/Hokkaidō (Hokkaido), Insel/Hokkaidō (Hokkaido), Präfektur/Rumoi, Unterpräfektur/Tomamae, Landkreis/Shosanbetsu, Dorf/Minamichiyoda
Mineral: Gold, Rumoiite, Shosanbetsuite
Image: 1558991162
License: Usage for Mineralienatlas project only
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 / Hokkaidō (Hokkaido), Präfektur / Hokkaidō (Hokkaido), Insel / Japan
Synthetischer Rumoiit
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Synthetischer Rumoiit
Synthetischer Rumoiit
Copyright: Daisuke NISHIO-HAMANE; Contribution: Stefan
Mineral: Rumoiite
Image: 1558996703
License: Usage for Mineralienatlas project only
Synthetischer Rumoiit

Synthetischer Rumoiit

Copyright: Daisuke NISHIO-HAMANE
Contribution: Stefan 2019-05-27

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)
2:
2:

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°

Volume (ų)

571.593

Crystal 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/Hokkaidō (Hokkaido), Insel/Hokkaidō (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

CNMNC (IMA)-Number

IMA 2018-161

CNMNC symbol

Symbol

Rmo

Locations with GPS information

IDs

GUSID (Global unique identifier short form) DbIWhYIJtkyvzzahJAvk2w
GUID (Global unique identifier) 8516B20D-0982-4CB6-AFCF-36A1240BE4DB
Database ID 8678