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Panichiite (Panichiit)

Collectors Summary

Color farblos - weiß und blassgelb
Streak color weiß
Lustre Glasglanz
Cleavages keine
Fracture keiner
Solubility nicht hygroskopisch
Crystal System kubisch, Fd3m

Chemism

Chemical formula

(NH4)2SnCl6

Empirical formula (analysis)

[(NH4)1.90K0.10]Σ2.00Sn0.99(Cl5.94Br0.07)Σ6.01

Chemical composition

Chlor, Zinn, Stickstoff, Wasserstoff

Unit weight: 371.8918842 u; Number of atoms in the formula: 16.6

Info

Empirical formula:

[(NH4)1.90K0.10]Sn0.99(Cl5.94Br0.07)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

2.06

7.6

45.78

1.0079470

7.6603972
Nitrogen

N

7.16

1.9

11.45

14.0067200

26.6127680
Chlorine

Cl

56.63

5.94

35.78

35.4532000

210.5920080
Potassium

K

1.05

0.1

0.60

39.0983100

3.9098310
Bromine

Br

1.50

0.07

0.42

79.9041000

5.5932870
Tin

Sn

31.60

0.99

5.96

118.7107000

117.5235930

Strunz 9th edition incl. updates

3.AA.

3: Halide (Fluoride, Chloride, Bromide, Iodide)
A: Einfache Halogenide ohne H2O
A: M:X = 1:1 und 2:3

Lapis Classification

III/D.05-020

III: HALOGENIDE (Fluoride, Chloride, Bromide, Jodide)
D: Oxihalogenide
5: Oxihalogenide mit Mg-Mn-Cu-Zn-Sn

Classification by Hölzel

3.DC.235

3: HALIDES
D: Complex Halides
C: Boro und Silico-Fluorides
2: Silico-Fluoride-Group

IMA status

anerkannt IMA WEB-Seite, Mai 2008

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos - weiß und blassgelb

Streak color

weiß

Diaphaneity (Transparency)

transparent - durchscheinend

Lustre

Glasglanz

RI value α / ω / n

n = 1.68(1)

2V angle

Isotropisch

Crystallography

Crystal System

kubisch

Class (H-M)

m3m

Space Group number

227

Space Group

Fd3m

Cell parameters a (Å)

10.064

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

Volumne (ų)

1019.323

X-Ray Powder Diffraction

5.81(100), 5.03(73), 3.035(48), 2.516(69), 2.250(39), 1.937(23), 1.779(42), 1.701(22)
XRD chart Panichiite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

2.423 (berechnet)

2.423 ( ρ calc. Mineralienatlas )

Cleavages

keine

Fracture

keiner

Instability

nicht hygroskopisch

(Co-)Type locality

(Co-)Type locality

Italien/Sizilien (Sicilia), Region/Messina, Provinz/Äolische (Liparische) Inseln (Isole Eolie; Isole Lipari)/Vulcano, Insel/La Fossa Krater

Paragenesis of type material

Alunit, Anhydrit, Bismuthinit, Godovikovit, Demicheleit-(Cl), Demicheleit-(Br)

Preface

Name from

Ugo Panichi (1872-1966) - Professor für Experimentalphysik an der Universität Siena

Author (Name, Year)

Italo Campostrini, 2008

References

Neue Mineralien Mai 2008, IMA-WEB-Seite
Mineralien Welt 03/10, Steffen Jahn, Neue Mineralien

Other languages

German

Panichiit

English

Panichiite

CNMNC (IMA)-Number

IMA 2008-005

CNMNC symbol

Symbol

Pnc

Locations with GPS information