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The Sapphire is a gemstone variety of the
mineral corundum, an aluminium oxide.
Trace amounts of other elements such
as iron ,titanium, chromium, copper, or
magnesium can give corundum blue,
yellow, purple, orange, or a greenish
color.
You shall amount on
it four rows of stones;
the first row shall be
a row of ruby, topaz
and emerald; and
the second row a
turquoise, a sapphire
and a diamond; and the
third row a jacinth, an
agate and an amethyst;
and the fourth row a
beryl and an onyx and a
jasper; they shall be set
in gold filigree.
The Sapphire represents one of the
tribes in the high-priest’s breastplate
(Exodus 28:17-20)
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