L'Ammonite 23 and 24 Passage du Commerce 79000 Niort. Our shops are opened all year long from tuesday to saturday from 10h00 to 12h30 and from 2h30 to 7h00 pm.
Michigan native copper from the USA.
This metal has been known since prehistoric times and it was all
first use.
Element native, chemical formula Cu.
The larger crystals are found in the Lake Superior
in USA, where it was discovered masses of several tons.
It is a good conductor of heat and electricity.
Dimensions 60x50 mm.
Weight 78 gr.
Michigan native copper from the USA.
First metal known and used since prehistoric times to
jewelry making, weapons or sacred objects.
Today it is used in electronics, it is very good conductor.
Element native, chemical formula Cu.
Masses of several tons have been discovered in the USA.
Dimensions 70x30x10 mm.
Weight 108 gr.
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