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A crystal is a solid in which the constituent
atoms, molecules, or ions are packed in a regularly ordered, repeating
pattern extending in all three spatial dimensions. Most metals encountered
in everyday life are poly crystals. Crystals are often symmetrically
inter grown to form crystal twins. |
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The word crystal originates from the Greek word
"Krystallos" meaning clear ice, as it was thought to be an especially solid
form of water. The word once referred particularly to quartz, or "rock
crystal". |
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Some crystalline materials may exhibit special
electrical properties such as the ferroelectric effect or the piezoelectric
effect. Additionally, light passing through a crystal is often refracted or
bent in different directions, producing an array of colors. This property of
crystal used in Fengsui, Reki or Vastu therapies, to enhance positive
energy. |
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Crystals can be
shaped into any beads, crystal round beads, crystal oval beads, crystal flat
oval beads, crystal Buttons, crystal drops, crystal tube beads, crystal pear
beads, crystal nuggets, crystal tumblers, crystal roughs, crystal roundel,
crystal uncut, crystal tire, crystal faceted tumbler and crystal faceted
ovals, crystal faceted chewing gums are the common beads for
silver
fashion jewelries. |
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The
other less priced quartz members, are
agates,
amethyst,
ametrine,
Carnelian,
Citrine,
chrysoprase,
Chalcedonies,
Green aventurine, Jasper,
Lemon quartz,
Rose quartz,
Onyx,
Rutilated quartz,
Smoky quartz,
and
Tiger eye. |
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Other useful links………. |
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