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Carobbiite

Collectors Summary

Color farblos
Streak color weiß
Solubility +++ H2O
Crystal System kubisch, Fm3m

Chemism

Chemical formula

KF

Chemical composition

Fluor, Kalium

Unit weight: 58.09671325 u; Number of atoms in the formula: 2

Info

Empirical formula:

KF

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Fluorine

F

32.70

1

50.00

18.9984033

18.9984033

Potassium

K

67.30

1

50.00

39.0983100

39.0983100

Strunz 9th edition incl. updates

3.AA.20

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

Lapis Classification

III/A.02-020

III: HALOGENIDE (Fluoride, Chloride, Bromide, Jodide)
A: Einfache Halogenide
2: Wasserfrei, Metall : Halogen = 1:1

Classification by Hölzel

3.AA.320

3: HALIDES
A: Simple Halides without H2O
A: Me/X=1/1
3: Halite-Group

Dana 8th edition

09.01.01.04

09: Halide Minerals
01: Anhydrous and Hydrated Halides where A X
01: Halite Group

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

Diaphaneity (Transparency)

transparent

RI value α / ω / n

1.352

Ri mean

1.352

2V angle

Isotropisch

Crystallography

Crystal System

kubisch

Class (H-M)

m3m

Space Group number

225

Space Group

Fm3m

Cell parameters a (Å)

5.348

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)

152.959

X-Ray Powder Diffraction

3.087(30),
2.671(100),
1.890(60),
1.612(10),
1.542(20),
1.337(10),
1.195(10),
1.091(10)

XRD chart Carobbiite

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

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

2.524

2.523 ( ρ calc. Mineralienatlas )

Instability

+++ H2O

Preface

Author (Name, Year)

Strunz, 1956

Additional Information

sehr gut in Wasser löslich (hygroskopisch) und toxisch

Safety Instructions

Industrial chemicals are often present in powder form and therefore often contain much higher dangers than natural, crystalline substances. These hazard statements refer to the classification of industrially used chemical compounds that may also occur in this natural mineral. The hazard classification makes no claim to completeness.




Safety classes: H301+H311+H331: Giftig bei Verschlucken, Hautkontakt oder Einatmen., P280: Schutzhandschuhe / Schutzkleidung / Augenschutz / Gesichtsschutz tragen., P302+P352: Bei Berührung mit der Haut: Mit viel Wasser / … waschen., P304+P340: Bei Einatmen: Die Person an die frische Luft bringen und für ungehinderte Atmung sorgen., P308+P310: Bei Exposition oder falls betroffen: Sofort Giftinformationszentrum oder Arzt anrufen.

References

Handbook of Mineralogy (Anthony et al.), 3 (1997), 103

Other languages

German

Carobbiit

English

Carobbiite

French

Carobbiite

Spanish

Carobbiíta

Russian

Кароббиит

Alternative Name

Potassium Fluoride

CNMNC symbol

Symbol

Crb

Locations with GPS information

IDs

GUSID (Global unique identifier short form) KjVy_93poUWi8LZzHYpDnQ
GUID (Global unique identifier) FF72352A-E9DD-45A1-A2F0-B6731D8A439D
Database ID 622