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=Tourmaline Crystals= | =Tourmaline= | ||
[[Image:tourmaline.png|800px]] | |||
===Tourmaline Crystals=== | |||
Tourmaline is a naturally occurring mineral widely used as a semi-precious gemstone. It comes in many different shapes and colours. It is unique in that it Tourmaline has a high natural output of | Tourmaline is a naturally occurring mineral widely used as a semi-precious gemstone. It comes in many different shapes and colours. It is unique in that it Tourmaline has a high natural output of | ||
Negative Ions, Alpha Waves and Far Infrared Rays (FIR). Tourmaline is first discovered in Sri Lanka in 1703 and is now found in all parts of the world. | Negative Ions, Alpha Waves and Far Infrared Rays (FIR). Tourmaline is first discovered in Sri Lanka in 1703 and is now found in all parts of the world. | ||
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====Piezoelectric Effect==== | ====Piezoelectric Effect==== | ||
Piezoelectric Effect is the ability of certain materials to generate an electric charge in response to applied mechanical stress. The word Piezoelectric is derived from the Greek piezein, which means to squeeze or press, and piezo, which is Greek for “push”.[4] | Piezoelectric Effect is the ability of certain materials to generate an electric charge in response to applied mechanical stress. The word Piezoelectric is derived from the Greek piezein, which means to squeeze or press, and piezo, which is Greek for “push”.[4] | ||
=== Other Tourmaline Properties === | |||
[[Image:tourmaline0.png|800px]] | |||
[[Image:tourmaline00.png|800px]] | |||
===References=== | ===References=== |