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June has three birthstones and they are Pearl,
Alexandrite and Moonstone.
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Pearls are not very hard as they measure
between 2.5 and 4.5 on the Mohs scale of
hardness.
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Alexandrite is one of the harder gemstones
measuring 8.5 on the Mohs scale of
hardness.
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Moonstones have a hardness of 6.0 on the
Mohs scale of hardness.
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3. Pearls
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The word pearl comes from the Latin
‘perma’ and Old French ‘perle’, which
means ‘leg’ or ‘leg of mutton shaped.’
Pearls are unique as they are the only gems
that are created by living sea life and do
not need faceting or polishing to reveal
their beauty.
Pearls have been used as jewelry for
centuries and were popular during the
Roman Empire.
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4. The years of Pearl
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The 1500s were known as The Pearl Age
in Tudor England.
In the 1900s commercial culturing of
round saltwater pearls began.
And soon thereafter, cultured pearls
started replacing natural ones in the
market.
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5. Alexandrite
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Alexandrite is considered one of the most precious
and rarest of gemstones. This is due to the
Chrysoberyl composition, which includes Chromium.
This is what gives Alexandrite the ability to change
colour under different lighting conditions. In natural
light it appears green but in artificial light the stone
turns to red.
Legend has it that this relatively new gemstone was
discovered on the birthday of Alexander II, Russian
Czar, in 1830. It was named after him and oddly
enough, the green and red colours of the stone are
the imperial colours of Russia.
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6. What is a Moonstone?
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Moonstone is a common gemstone,
which is found in feldspar, a stone that
makes up most of the crust of the Earth.
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Feldspars are present in many types of
metamorphic rock and crystallize from
magma as veins in both intrusive and
extrusive igneous rocks.
Feldspars are also found in many types of
sedimentary rock while rock formed entirely
of calcic plagioclase feldspar is known as
anorthosite.
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7. About Moonstone
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Romans and Greeks connected moonstones
to their lunar gods and goddesses and the
popularity of the gem peaked during the Art
Nouveau period.
The moonstone was named for the visual
effect, or sheen, created by light diffraction
and how that reacts upon a regular
succession of feldspar layers.
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8. The popularity of moonstone can be
contributed to the many colours that it
comes in including:
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Blue
Orange
Yellow
Rainbow
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9. Moonstone Crystalline Structures
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Create a shimmering effect when light is
shined on them, which adds to their appeal.
The floating play of light, called
adularescense sometimes appears as a
multilayer star or a cat’s eye.
Moonstones are considered a sacred stone in
India and are often displayed on a yellow
background and are thought to possess the
power to bring good fortune.
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10. Pliny on Moonstone
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Pliny is a Roman natural historian that
wrote that the appearance of the
moonstone actually altered the phases of
the moon.
This was believed until after the 16th
Century. Romans also believed moonstones
actually came from solidified rays of the
moon.
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The moonstone was named for the visual
effect, or sheen, created by light diffraction
and how that reacts upon a regular
succession of feldspar layers.
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11. Moonstones are mined in a number of
places including:
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Australia
The Austrian Alps
Mexico
Madagascar
Burma
Norway
Poland
India
Sri Lanka
United States
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