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Yttrocerite (Yttrocerit)

Collectors Summary

Color blau, rötlich
Hardness (Mohs) 4 - 5
Crystal System kubisch,

Additional information / Summary

Yttrocerit hat Spuren von Seltenen Erden wie Yttrium und Cerium, die einen Teil des Calciums ersetzen.

Fundländer sind: Norwegen, Schweden und die USA.

Yttrocerit ist kein eigenständiges Mineral, sondern eine Varietät von Fluorit

Chemism

Chemical formula

CaF2+(Y,Ce)F3

Additional chem. information

Yttrocerit hat Spuren von Seltenen Erden wie Yttrium und Cerium, die einen Teil des Calciums ersetzen. (Gahn & Berzelius, 1814)

Chemical composition

Calcium, Cerium, Yttrium, Fluor

Unit weight: 236.77883025 u; Number of atoms in the formula: 7

Info

Empirical formula:

CaF2+(Y0.75Ce0.25)F3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Fluorine

F

40.12

5

71.43

18.9984033

94.9920163
Calcium

Ca

16.93

1

14.29

40.0784000

40.0784000
Yttrium

Y

28.16

0.75

10.71

88.9058520

66.6793890
Cerium

Ce

14.79

0.25

3.57

140.1161000

35.0290250

Mineral status

Varietät

Variety / polytype of

Fluorite

Optical Properties

Color

blau, rötlich

Optical Data Luminescence

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

kubisch

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°

Physical Properties

Hardness (Mohs)

4 - 5

References

Gahn and Berzelius - Afhandlingar I Fysik, Kemi och Mineralogi, Stockholm (1814) 4, 151.

Palache, Charles, Harry Berman & Clifford Frondel (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume II - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 29.

Other languages

French

Yttria fluatée

German

Yttrocerit

Spanish

Yttrocerita

English

Yttrocerite

Alternative Name

Yttrocererite

Navigation

Fluorit Eigenschaften [ Previous: Honigspat | Next: Yttrofluorit ]

Locations with GPS information

IDs

GUSID (Global unique identifier short form) SOGNSpu6OECb0e1R_8fQCg
GUID (Global unique identifier) 4A8DE148-BA9B-4038-9BD1-ED51FFC7D00A
Database ID 5028