Ruby
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Ruby is known as the stone of love. It is worn in all types of
jewellery.
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General Information Where
found Search
Birthstones
Anniversary Lore
All Gemstone Information
Main Birthstone Page |
| Colour |
Bright red, brownish-red,
purplish-red, dark red |
| Hardness |
9 |
| Specific
Gravity |
3.9 - 4.1 |
| Refractive
Index |
1.76 - 1.77 |
| Double
Refraction |
.0008 |
| Lustre |
Vitreous
to adamantine |
| Mineral
class |
Corundum |
| Composition |
Al2O3 |
General Information
Ruby may be any colour of red depending on the chromium and iron content
of the stone.
Generally, ruby is quite durable. Still, rubies are subject to
chipping and fracture if handled roughly.
Rubies are often heat treated to permanently improve their colour and
clarity.
Reputable dealers will not use the following misleading terms.
However, for your protection, I am listing them here:
"Adelaide ruby" is a common name for almandine garnet,
"Cape ruby" is a common name for pyrope garnet found in
South Africa; "Arizona ruby" and "Colorado ruby"
are common names for pyrope garnet.
"American ruby" and "Mont Blanc ruby" are
really garnet or rose quartz.
"Bales Ruby" is really pale red spinel.
"Bohemian ruby", "Montana ruby" and
"Mountain ruby" are really red garnet.
"Brazilian ruby" is really pink or "fired"
topaz, or pink tourmaline.
"Siberian ruby" is really dark pink/red tourmaline.
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Where Ruby is found
Ruby is found worldwide. The finest stones are from Myanmar. Bright red
stones are mined in: Afghanistan, Pakistan, Vietnam. Brownish-red ruby
are from Thailand. Darker stones are generally produced from the mines
in Australia, India, Russia and USA (Georgia, North Carolina and
Wyoming).
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General Information Where
found Search
Birthstones
Anniversary Lore
All Gemstone Information
Main Birthstone Page |
Birthstone Months with Ruby
 | July: Modern, Traditional, Mystical
Birthstone
 | Cancer (Jun 21-Jul 22): Birthstone
 | Capricorn (Dec 22-Jan 19):
Birthstone
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Anniversary Gemstone for Ruby
Ruby is the anniversary
gemstone for the 15th and 40th year of marriage.
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Ruby Mystical Properties
Ruby is said to be the "queen " of all
gemstones. The stone of love, it surrounds the user with an aura of
beauty, and can actually transform the appearance. Ruby is said to
attract stability, and loyalty. Also known as the "stone of
royalty", it was believed that as long as a piece of ruby was
around, wealth would be too.
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More Ruby Lore
The three-ray, six-point star effect seen in some cabochon rubies happen
when rutile inclusions are present. The star on the ruby moves on the
stone as the light from a single source moves.
Rubies were thought to ward off misfortune and ill-health. They are
given as a symbol of success, devotion and integrity.
According to ancient lore, a Ruby is capable of reconciling lovers'
quarrels.
Ruby engagement rings are given to express passion and promise of
their heart.
Ruby is the US State Gemstone of Wisconsin.
|
General Information Where
found Search
Birthstones
Anniversary Lore
All Gemstone Information
Main Birthstone Page |
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