Fluorite

Country : Algeria

Continent : Africa

Issue date : 21/04/1983

Age : 43 ans

Michel Reference
DZ 824
Stanley Reference
DZ 841
Yvert Reference
DZ 784
Scott Reference
DZ 713
Themes
Flora
Description
Fluorite or fluorspar
It is calcium fluoride (CaF2) which crystallizes into beautiful regular cubes, generally colored dark purple, yellow or green, more rarely red, pink or clear.
It is found in volcanic rocks.
Fluorite is a raw material whose addition facilitates the fusion of metals.
Colorless fluorite is used in the manufacture of optical lenses.
Expiration date
07/11/1985
Size
34.6 x 27 mm
Colors
Polychrome
Designer
Ali Kerbouche
Printers
Courvoisier (Helio Courvoisier) S. A.
Perforation
12½ x 12¼
Printing
Photogravure
Face value
2,40 DA
Mint Value ($)
Used Value ($)
Print run
300 000 exemplaires
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