Monday, August 20, 2012

Wahala Facts: 16 most expensive materials on earth

15. Gold is a dense, soft, shiny, malleable and ductile metal. It
is a chemical element with the symbol Au and atomic number 79.Gold has
been a valuable and highly
sought-after precious metal for coinage, jewelry, and other arts
since long before the beginning of recorded history. Gold is sold at
$56/g.

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