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Gianellaite (Gianellait)

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Gianellaite
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Gianellaite
Mariposa Mine (California Mountain Mine), Terlingua District, Brewster Co., Texas, USA; Dimension area mm. 2 x 2
Copyright: Luigi Chiappino; Contribution: Stefan
Location: USA/Texas/Brewster Co./Terlingua District/Mariposa Mine (California Mountain Mine)
Mineral: Gianellaite
Image: 1472231428
License: Usage for Mineralienatlas project only
Gianellaite

Mariposa Mine (California Mountain Mine), Terlingua District, Brewster Co., Texas, USA; Dimension area mm. 2 x 2

Copyright: Luigi Chiappino
Contribution: Stefan 2016-08-26
Locality: Mariposa Mine (California Mountain Mine) / Terlingua District / Brewster Co. / Texas / USA

Collectors Summary

Color strohgelb
Streak color blassgelb
Hardness (Mohs) 3
Solubility +++ konz. HCl, - andere Säuren
Crystal System kubisch, F43m

Chemism

Chemical formula

Hg4(SO4)N2

Chemical composition

Quecksilber, Sauerstoff, Schwefel, Stickstoff

Unit weight: 926.44466 u; Number of atoms in the formula: 11

Info

Empirical formula:

Hg4(SO4)N2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Nitrogen

N

3.02

2

18.18

14.0067200

28.0134400

Oxygen

O

6.91

4

36.36

15.9994300

63.9977200

Sulfur

S

3.46

1

9.09

32.0655000

32.0655000

Mercury

Hg

86.61

4

36.36

200.5920000

802.3680000

Strunz 9th edition incl. updates

3.DD.30

3: Halide (Fluoride, Chloride, Bromide, Iodide)
D: Oxihalide, Hydroxyhalide und verwandte Doppel-Halide
D: mit [Hg]
30:Mosesit-Gruppe

Lapis Classification

III/D.06-060

III: HALOGENIDE (Fluoride, Chloride, Bromide, Jodide)
D: Oxihalogenide
6: Oxihalogenide mit Quecksilber

Classification by Hölzel

3.FC.100

3: HALIDES
F: With Mercury
C: Halogenides with Amines, Amides or Imides
1: with Hg - Mosesite-Group

Hey's Chemical Index of Minerals

25.5.18

25: Sulphates
5: Sulphates of Zn and Hg

Dana 8th edition

28.02.04.01

28: Sulfate Minerals
02: Anhydrous Acid and Sulfates (A+)2 XO4

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

strohgelb

Streak color

blassgelb

RI value α / ω / n

2.085

Ri mean

2.085

2V angle

Isotropisch

Crystallography

Crystal System

kubisch

Class (H-M)

43m

Space Group number

216

Space Group

F43m

Cell parameters a (Å)

9.52

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

4

Volume (ų)

862.801

X-Ray Powder Diffraction

5.51(80),
2.872(100),
2.743(100),
2.371(70),
2.178(60),
1.826(60),
1.679(70),
1.432(70)

XRD chart Gianellaite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

3

VHN (Hardness Vickers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

7.19 (gemessen)

7.132 ( ρ calc. Mineralienatlas )

Instability

+++ konz. HCl, - andere Säuren

Preface

Author (Name, Year)

Tunell & Fahey & Daugherty & Gibbs, 1977

References

Neues Jahrbuch für Mineralogie, Monatshefte (1977), 119

Cooper, M.A.; Abdu, Y.A.; Hawathorne, F.C.; Kampf, Anthony R. - The crystal structure of gianellaite, [(NHg2)2](SO4)(H2O)x, a framework of (NHg4) tetrahedra with ordered (SO4) groups in the interstices - Mineralogical Magazine [PREPUBLICATION 17. Feb. 2016]

Other languages

German

Gianellait

English

Gianellaite

French

Gianellaite

Spanish

Gianellaíta

Russian

Джианеллаит

CNMNC (IMA)-Number

IMA 1972-020

CNMNC symbol

Symbol

Gia

Locations with GPS information

IDs

GUSID (Global unique identifier short form) s3URf7Lvdk-3RgbIBxmblw
GUID (Global unique identifier) 7F1175B3-EFB2-4F76-B746-06C807199B97
Database ID 1376