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Tourmaline

Black Tourmaline

2016-08-16 16:34 Source:未知 Browse:

Tourmaline (Chemical equation NaR3Al6[Si6O18][BO3]3(OH,F)4) belongs to the trigonal crystal system and occurs as long,  slender to thick prismatic and columnar crystals that are usually triangular in cross-section, vitreous luster, resinous luster in sections, It is transparent to translucent and non cleavage with 7.0 - 7.5 Mohs hardness range and Specific gravity range from 2.98 to 3.20, Tourmaline shows pyroelectricity in addition to the piezoelectric, the tourmaline can generate negative air ions spontaneously and emit far infrared rays due to It's unique polar crystal structure.
 
 
The effect of potential difference, agitated by temperature and pressure change, could trigger ionization and generates Negative Ions for air purification. The application of super fine tourmaline powder in Terylene could build up or strengthen the functions such as infrared heat retention, deodorization, negative ions generation under room temperature condition and anti-bacteria performance, which make it well known as "magic fiber".
 
Tourmaline powder can be used in the fields of healthy painting, piezoelectric material, health care products, air purification, water treatment system and human body caring. The application in the industrial water treatment system could significantly improve the water quality and metal ions absorption, as well as PH value adjustment and improve drinking water activity.