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Additional
boron
English Wikipedia - The Free Encyclopedia
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Boron
Boron
is a
metalloid
chemical element
with symbol
B
and
atomic number
5. Produced entirely by
cosmic ray spallation
and
supernovae
and not by
stellar nucleosynthesis
, it is a low-abundance element in both the
Solar system
and the
Earth's crust
. Boron is concentrated on Earth by the water-solubility of its more common naturally occurring compounds, the
borate minerals
. These are mined industrially as
evaporites
, such as
borax
and
kernite
. The largest proven boron deposits are in
Turkey
, which is also the largest producer of boron minerals.
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