Natural Black Tourmaline Rough
China Natural Black Tourmaline Rough, Find details about China Tourmaline from Natural Black Tourmaline Rough
Basic Info.
Model NO.
HB-BT
Trademark
DERUNHUABANG
Origin
China
HS Code
2849100000
Model NO.
HB-BT
Trademark
DERUNHUABANG
Origin
China
HS Code
2849100000
Product Desciption
Tourmaline is the general name of tourmaline group minerals.It is a silicate mineral. The hardness of tourmaline is usually 7-7.5.
Tourmaline has unique properties such as piezoelectricity, pyroelectricity,far -infrared radiation,and negative ion release.
Application:
3.Tourmaline can be used in agriculture to shorten the period of crops.
Tourmaline has unique properties such as piezoelectricity, pyroelectricity,far -infrared radiation,and negative ion release.
Application:
1.High pure tourmaline is the bijou that can be made into jewelry.
2.Purification material for water and air.3.Tourmaline can be used in agriculture to shorten the period of crops.
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