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Tourmaline
Tourmaline
( ) is a
crystalline
boron
silicate mineral
compounded with elements such as
aluminium
, iron,
magnesium
,
sodium
,
lithium
, or
potassium
. Tourmaline is classified as a
semi-precious
stone and the
gemstone
comes in a wide variety of colors. The name comes from the
Tamil
and
Sinhalese
word "Turmali" (තුරමලි) or "Thoramalli" (තෝරමල්ලි), which applied to different gemstones found in
Sri Lanka
.
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