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Quartz Chatoyant
Names like Tiger's Eye, Cats Eye, Bull's Eye, Hawk's Eye
and Red Tiger, are the names of the same stone but with
different colors. The property of Chatoyancy
characterizes this very hard stone, makes it change the
brightness against light with movement. A variety called
Iron Tiger is admired for its unusual color mixture.
technical/details
SiO2 - Silicon Dioxide
Tiger Eye is black with
iron oxide staining which gives it yellow and golden
brown stripes. It is a type of chatoyant quartz.
Generally, you will not find faceted tiger eye. This
stone is often called "Tiger's Eye" or simply "Tiger
Eye".
Care and Treatment
Tiger Eye is often heat
treated. This is permanent so no extra care is required.
As with all gems, protect
topaz from scratches and sharp blows. Also avoid large
temperature changes (such as leaving it be a heater vent
or in a hot car).
Hardness
Tiger Eye has a hardness
of 7.
Specific Gravity: 2.65 -
2.66
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