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TCoCD Pictures Miscellaneous Stamps Minerals & Crystals

Minerals & Crystals

Galena & Sphalerite (click for larger image, 44k)
(click for larger image, 44k)
Federal Republic of Germany (12.01.1968)
20 Pf
27.5 * 33 mm
Michel 547

The stamp is part of the three stamp set Technics and Science and reminds of 1000 years of mining industry in the Harz Mountains. The depicted crystals are Galena (lead sulfide, PbS; cubic) and Sphalerite (zinc sulfide, ZnS; cubic).
 (click for larger image, 51k)
(click for larger image, 51k)
German Democratic Republic (21.05.1969)
5 Pf
27.5 * 33 mm
Michel 1468

Erythrite (red cobalt; monoclinic) from Schneeberg, Thuringia.
 (click for larger image, 51k)
(click for larger image, 51k)
German Democratic Republic (21.05.1969)
10 Pf
27.5 * 33 mm
Michel 1469

Fluorite (fluor-spar; cubic) from Halsbrücke, Saxony.
 (click for larger image, 48k)
(click for larger image, 48k)
German Democratic Republic (21.05.1969)
20 Pf
27.5 * 33 mm
Michel 1471

Smoky quartz (trigonal) from Lichtenberg, Saxony.
 (click for larger image, 90k)
(click for larger image, 90k)
German Democratic Republic (22.02.1972)
5 Pf
41 * 41 mm
Michel 1737

Gypsum (monoclinic) from Eisleben, Saxony-Anhalt.
 (click for larger image, 91k)
(click for larger image, 91k)
German Democratic Republic (22.02.1972)
10 Pf
41 * 41 mm
Michel 1738

Zinnwaldite (monoclinic) from Zinnwald/Ore Mountains, Saxony.
 (click for larger image, 97k)
(click for larger image, 97k)
German Democratic Republic (22.02.1972)
20 Pf
41 * 41 mm
Michel 1739

Malachite (monoclinic) from Ullersreuth/Vogtland, Thuringia.
 (click for larger image, 93k)
(click for larger image, 93k)
German Democratic Republic (22.02.1972)
25 Pf
41 * 41 mm
Michel 1740

Amethyst (Quartz; trigonal) from Wiesenbad/Ore Mountains, Saxony.
 (click for larger image, 84k)
(click for larger image, 84k)
German Democratic Republic (22.02.1972)
35 Pf
41 * 41 mm
Michel 1741

Halite (rock salt; cubic) from Merkers/Rhön Mountains, Thuringia.

TCoCD Pictures Miscellaneous Stamps Minerals & Crystals

back to the main page  Stamps  previous page: Mathematical Congresses  The Collection of Calculating Devices  next page: Octant 
Deutsche Version
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Last update on 04-Feb-2008
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