en cabochon, a style that has a dome-like appearance on top. This cut
is special one and you often find stars of various legs in them. Every piece of
such cut exhibits asterism.
A
star may have four, six, or 12
legs (rays) radiating outward from a central point.
Milk-and-Honey effect is not just found in cat's eye but Labradorite,
Alexandrite etc. have also such properties.
Some gemstones may exhibit an
optical effect called chatoyancy. A chatoyant gemstone, if properly
fashioned, will display a line of varying thickness that will literally glide
over the surface of the host material as it follows the light source.
Diamond is really rare, It forms near the pressure 100,000
times higher than the pressure of air around us, and the temperature is around
1000C.
Diamond forms as far below us as the Space Shuttle orbits above us; and far
deeper than any borehole ever drilled.
When you see the red ray of a
laser in a supermarket checkout or CD player, you are seeing the amplified glow
of a tiny gem of pure ruby. Alike the green laser (like LED you see on your
monitor) are glowed with the help of tiny gem of pure emerald.
Coroundum is the
second hardest substance after diamond. It can covers all these minerals.
Emeralds, Ruby, Sapphire, Blue Sapphire.
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A crystal of pure
corundum would be colorless. But even the tiniest dash of an impurity
imparts a vivid color. If the crystal picks up traces of chromium, it
glows with the deep red of a ruby. Any other ingredient, tinting the gem
with another color, gives us a sapphire. Though we think of sapphires as
blue, they can range in color from yellow to green and purple. The rare
Padparadsha (“lotus flower”) type is a lovely orange
sapphire.
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GemStones are also porous
& non-porous.
6 prongs are many times better than 4 prongs mounting of Rings.
Therefore, always insist your jeweler that to make of 6 prongs if
possible.
Firoja is a stone that is assume to be powered enough to save from
accidents. So, if u are a new learner driving a car, better to worn Firoja
before landing your car in traffic.
Don't confuse Karat with
carat. where Karat is the unit to measure the purity of gold, Carat is used to
weight Gemstones & denoted as ct. 1gm= 4.97
ct. 24kt=100% pure gold, 18kt=75% pure gold & 12 kt=50%
pure gold. 12 kt. gold is also known as White Gold.
Two differently cut Gemstones of the same weight from the same raw may vary
heavily in prices. Therefore, you must ready to pay more if wants to a
beautifully cut gemstone. Therefore "64 facing" diamonds are in great demand
& garners more value.
Most of us distinguishes pearls as of two types:
natural & fake but you may find following varieties usually in every recognise store near
you.
Cultured Saltwater Pearl South
Sea cultured pearl Tahitian Pearl Mabe or Blister
Pearl Freshwater Cultured Pearl Cultured Black
Pearls Majorca Pearls |
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