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Gemstone Info
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Garnet means
something like "the grainy” and is derived from
the Latin word "granum” meaning "grain”.
This refers to the typically rounded shape of Garnet
and also reminds of the seeds of the pomegranate. In
the middle ages, Garnet was also called "karfunkel”
in German, referring to the glowing red reminding of
the sparks of fire.
Garnets have been widely known for thousands of years.
Even Noah, it is reported, used a lantern from Garnet
in order to safely steer his Ark through the darkness
of the night. Garnets are found in jewellery from
ancient Egyptian, Greek and Roman eras. Many
courageous discoverers and travellers wore Garnets for
protection, as they were considered popular talismans
and protective stones, because it was believed in
those days that Garnets illuminate the night and
prevent their wearer from any sort of evil.
(© ICA)
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GARNET
The general formula for most of the garnets is
The A represents divalent metals such as
calcium, iron, magnesium and/or manganese. The B
represents trivalent metals such as aluminum, chromium,
iron and/or manganese and in the rarer garnets; vanadium,
titanium, zirconium and/or silicon. The general formula
for a couple of rarer garnets (hibschite and katoite) is A3B2(SiO4)3-X(OH)4X.
The main differences in physical properties among the
members of the garnet group are slight variations in
color, density and index of refraction.
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