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Brontesite

Pictures (1 Images total)

Brontesit
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1583580128
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Brontesit
weißer Kristall von Brontesit neben hellgelben Adranosit, La Fossa Krater, Vulcano, Liparische Inseln, Italien; BB < 1 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Italien/Sizilien (Sicilia), Region/Messina, Provinz/Äolische (Liparische) Inseln (Isole Eolie; Isole Lipari)/Vulcano, Insel/La Fossa Krater
Mineral: Brontesite
Image: 1583580128
License: Usage for Mineralienatlas project only
Brontesit

weißer Kristall von Brontesit neben hellgelben Adranosit, La Fossa Krater, Vulcano, Liparische Inseln, Italien; BB < 1 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-03-07
Locality: La Fossa Krater / Vulcano, Insel / Äolische (Liparische) Inseln (Isole Eolie; Isole Lipari) / Messina, Provinz / Sizilien (Sicilia), Region / Italien

Collectors Summary

Color farblos - weiß
Streak color weiß
Lustre Glasglanz
Solubility stabil an der freien Luft
Crystal System orthorhombisch, Pnma

Chemism

Chemical formula

(NH4)3PbCl5

Chemical composition

Blei, Chlor, Stickstoff, Wasserstoff

Unit weight: 438.591524 u; Number of atoms in the formula: 21

Info

Empirical formula:

(NH4)3PbCl5

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

2.76

12

57.14

1.0079470

12.0953640
Nitrogen

N

9.58

3

14.29

14.0067200

42.0201600
Chlorine

Cl

40.42

5

23.81

35.4532000

177.2660000
Lead

Pb

47.24

1

4.76

207.2100000

207.2100000

Strunz 9th edition incl. updates

3.C

3: Halide (Fluoride, Chloride, Bromide, Iodide)
C: Komplexe Halogenide
C:

Lapis Classification

III/D.08-047

III: HALOGENIDE (Fluoride, Chloride, Bromide, Jodide)
D: Oxihalogenide
8: Oxihalogenide mit Pb-Bi-Sb und verwandte Verbindungen

Classification by Hölzel

3.DA.190

3: HALIDES
D: Complex Halides
A: Without H2O and without Al

IMA status

anerkannt, IMA WEB-Seite - Neue Mineralien Dez. 2008.

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos - weiß

Streak color

weiß

Lustre

Glasglanz

RI value α / ω / n

1.693

Ri mean

1.693

2V angle

Biaxial

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

62

Space Group

Pnma

Cell parameters a (Å)

8.434

Cell parameters b (Å)

15.759

Cell parameters c (Å)

8.462

Cell parameters a/b or c/a

0.535

Cell parameters c/b

0.537

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

1124.696

X-Ray Powder Diffraction

3.067(100), 2.710(78), 2.421(75), 2.211(60), 2.020(80), 1.910(78), 1.491(75), 1.457(65)
XRD chart Brontesite

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)

2.72 gem.

2.59 ( ρ calc. Mineralienatlas )

Instability

stabil an der freien Luft

(Co-)Type locality

(Co-)Type locality

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

Preface

Name from

grch. Brontes, mythologische Gestalt, ein Sohn von Uranus und Gaia, Bruder von Arges und Steropes (Steropesit)

Author (Name, Year)

Francesco Demartin, 2008

References

IMA WEB-Seite - Neue Mineralien Dez. 2008.

Ciriotti, M.E., Fascio, L. & Pasero, M. (2009): Italian Type Minerals. Edizioni Plus, Università di Pisa, Pisa, Italy, 357 pp.
Mineralien Welt 03/10, Steffen Jahn, Neue Mineralien

Other languages

German

Brontesit

Spanish

Brontesita

English

Brontesite

Russian

Бронтесит

CNMNC (IMA)-Number

IMA 2008-039

CNMNC symbol

Symbol

Bte

Locations with GPS information

IDs

GUSID (Global unique identifier short form) FcUZ3eQvv0i4wA-Bs_nVxQ
GUID (Global unique identifier) DD19C515-2FE4-48BF-B8C0-0F81B3F9D5C5
Database ID 5121