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Chemical Formula: Be3 Al2 Si6
O18
Mineral Name: Beryl
Color: Various shades of yellow
Hardness: 7.5 - 8.0
Specific Gravity: 2.68 - 2.80
An
aquamarine gemstone, Heliodor is completely flawless
and yellow variety of beryl with no eye-visible
inclusions. It primarily occurs in granite pegmatites
and to a lesser extent in miarolitic cavities in
granites and in greisens. It derives its name from
Greek word meaning sun and gift in allusion to its
color. Because of heliodor's relatively high hardness
and specific gravity, it is sometimes found in eluvial
and aluvial deposits. The color of heliodor is due to
trace amounts of iron impurities in the beryl
structure.
Heliodor is said to improve communicative abilities
and make one compassionate and sympathetic towards
others. Stabilizing the heartbeat, heliodor helps in
the treatment of disorders of the stomach and small
intestines, liver, spleen and pancreas. The gemstone
is found in the regions of Madagascar, Brazil, North
Carolina and California in the U.S., and in Middle
Eastern countries and Russia.
