In Polish
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Publishing House Ossolineum Wrocław 1979 239 p. + 15 colour plates ISBN 83-04-00394-6
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(...) Presently in Lower Silesia one may find amber lumps probably brought
by continental glacier moving from the North to the South. The largest
pieces of amber up to the fist size have been found in the Quaternary
cover of the refractory clays in the mines "Janina" and
"Edmund" at Jaroszów near Strzegom, where the clays are mined.
It is necessary to mention, that the amber occurrences in Lower Silesia
have no commercial importance, being only of mineralogical interest.
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uzupełnienia i uwagi będzie zobowiązany |
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GEOHOBBY: AMBER FLINTKNAPPING FOSSIL COLLECTORS FOSSIL DEALERS GEMS & JEWELS GEOSTAMPS GOLD & SILVER JOURNALS MINERAL COLLECTORS MINERAL DEALERS MINERAL SHOWS UNDERSTANDING EARTH