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Spryite

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Spryit
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Spryit

graumetallisches Aggregat von Spryit, Uchucchacua Mine, Oyon, Lima, Peru; BB 1 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-05-17
Locality: Uchucchacua Mine / Oyon, Provinz / Lima, Region / Peru

Collectors Summary

Crystal System orthorhombisch, Pna21

Chemism

Chem­ical formula

Ag8(As3+0.5As5+0.5)S6

Empir­ical formula (anal­y­sis)

(Ag7.98Cu0.05)Σ8.03(As5+0.31Ge0.36As3+0.31Fe3+0.02)Σ1.00S5.97

Chem­ical com­po­si­tion

Arsen, Silber, Schwefel

Unit weight: 1129.11580284 u; Number of atoms in the formula: 15

Info

Empirical formula:

(Ag7.98Cu0.05)(As0.31Ge0.36As0.31Fe0.02)S5.97

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

16.95

5.97

39.80

32.0655000

191.4310350

Iron

Fe

0.10

0.02

0.13

55.8452000

1.1169040

Copper

Cu

0.28

0.05

0.33

63.5463000

3.1773150

Germanium

Ge

2.32

0.36

2.40

72.6410000

26.1507600

Arsenic

As

4.11

0.62

4.13

74.9216020

46.4513932

Silver

Ag

76.24

7.98

53.20

107.8682200

860.7883956

Strunz 9th edi­tion incl. updates

2.BA.35

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
B: Metallsulfide, M : S > 1 : 1 (hauptsächlich 2 : 1)
A: mit Kupfer (Cu), Silber (Ag), Gold (Au)
35:Akanthit-Gruppe

IMA sta­tus

anerkannt März 2016 - CNMNC Newsletter No. 30, April 2016

Min­eral sta­tus

anerkanntes Mineral

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mm2

Space Group number

33

Space Group

Pna21

Cell param­e­ters a (Å)

14.984(4)

Cell param­e­ters b (Å)

7.474(1)

Cell param­e­ters c (Å)

10.571(2)

Cell param­e­ters a/b or c/a

2.005

Cell param­e­ters c/b

1.414

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Volumne (ų)

1183.851

Kristall struc­ture

As-Analog von Argyrodit; Struktur bestimmt

X-Ray Pow­der Diffrac­tion

3.192(29),
3.056(31),
3.051(100),
2.781(29),
2.687(68),
2.604(29),
2.461(33),
1.870(37)

XRD chart Spryite

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

(Co-)Type locality

(Co-)Type locality

Peru/Lima, Region/Oyon, Provinz/Uchucchacua Mine

Type mate­r­ial

Museo di Storia Naturale, Università di Firenze, Via La Pira 4, Florence, Italien

Col­lec­tion number of type mate­r­ial

3213/I

Preface

Author (Name, Year)

Luca Bindi, Frank N. Keutsch and Federica Zaccarini (2016)

References

Bindi, L., Keutsch, F.N. and Zaccarini, F. (2016) Spryite, IMA 2015-116. CNMNC Newsletter No. 30, April 2016, page 412; Mineralogical Magazine, 80, 407-413.

Bindi, L., Keutsch, F.N., Morana, M., Zaccarini, F. - Spryite, Ag8(As3+0.5As5+0.5)S6: structure determination and inferred absence of superionic conduction of the first As3+-bearing argyrodite. Physics and Chemistry of Minerals, 43 (2016), (in press)

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Spryite

Ag8(As3+0.5As5+0.5)S6

orthorhombisch : mm2 : Pna21

2.BA.35

Acanthite

Ag2S

monoklin : 2/m : P21/n

2.BA.35

Alburnite

Ag8GeTe2S4

kubisch : 43m : F43m

2.BA.35

CNMNC (IMA)-Number

IMA 2015-116

CNMNC symbol

Symbol

Syi

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Сприит

Mineral Dealer

German pages

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

Locations with GPS information