Corundum is a crystalline form of aluminum oxide that is naturally clear but takes on color from impurities. Ruby gets its red color from chromium, while sapphire comes in various colors like blue and green due to iron and titanium. Corundum is called sapphire except when red, in which case it is ruby. A rare exception is padparadscha sapphire from Sri Lanka, which has a pinkish-orange hue. The document encourages purchasing rubies for July birthdays as they symbolize love, imagination, health, wealth and success.

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The mineral “corundum” is
the crystalline form of aluminum
oxide (Al2O3), which is a
naturally clear and transparent
material. However, the presence
of impurities adds color to the
mineral in ways that make for very
enticing gemstones. For instance,
consider ruby (July’s birthstone),
whose red color is determined
by the amount of chromium
contained in the gemstone. On
the other hand, sapphire, another
form of aluminum oxide, derives
its range of colors (blue, green,
yellow, pink, and others) from iron
and titanium impurities. When
is corundum not sapphire? Only
when it is red, in which case it is
called ruby. One notable exception
THE RED CORUNDUM
is “padparadscha,” which is the
name of a rare, pinkish-orange
sapphire found only in Sri Lanka.
There’s no better way to show
your love than by giving a ruby
in celebration of a July birthday.
Rubies rouse the senses, stir
the imagination, and are said to
guarantee health, wisdom, wealth
and success in love. Come into
our store located at 1402 Hancock
Street, Quincy Center and choose
a ring, anklet, necklace, bracelet,
pin or even a pair of ruby earrings
for that special occasion. Contact
us at 617-773-3636 where our
experience, skill and knowledge
will help you make a confident
purchase.
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