 The
transparent colorless variety of quartz is still known as
rock crystal. Long ago, people believed that rock crystal
was a compact form of ice: crystallos actually means "frozen."
The best rock crystal has the clarity and shimmer of water.
Although colorless quartz is relatively common, large flawless
specimens are not, which is why crystal balls these days are
made of glass, not quartz. Rock crystal has often been used
in jewelry, particularly carved pieces. Many stunning Art
Deco jewelry designs featured the black and white quartz combination
of rock crystal and onyx. Colorless quartz crystals have also
become popular in jewelry due to the popularity of legends
about the powers of quartz crystals. Many people believe that
wearing quartz crystals benefits a person's health and spiritual
well being.
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