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    • Shijiazhuang Shengping Minerals Co., Ltd. Follow
      • negative ion powder,tourmaline,kaolin,vermiculite,far infrared ceramic powder
      Xizhuang Village, Nanyanchuan Township, Lingshou County, Shijiazhuang, Hebei, China (Mainland)
      Totally has 1 empolyees in Tradesns

    High quality natural rough tourmaline
    Follow
    • Properties：
      Other
    • Place of Origin：
      Hebei, China (Mainland)
    • Brand Name：
      Shengping
    • Model Number：
      SP-0086
    • Deliverability： 5000 Ton/Tons per Month
    • Port： Tianjin or Qingdao
    • US $ 100-200/Ton（Minimal Quantities 1Ton）
    Ella·Yuan
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    Shijiazhuang Shengping Minerals Co., Ltd.
    China Hebei Shijiazhuang
    Manufacturer,Trading Company
    51 - 100 People
    Export Model:Using an agent
    Export Identification:
    Main Products:negative ion powder,tourmaline,kaolin,vermiculite,far infrared ceramic powder
    • Products Description
    • Review List
      Quick Details
    • Properties：
      Other
    • Place of Origin：
      Hebei, China (Mainland)
    • Brand Name：
      Shengping
    • Model Number：
      SP-0086

    High quality natural rough tourmaline

    Specifications

    SiO2:?40.02%?? Al2O3:?41.41%?? B2O3:?8.32%?? H2O:?4.30%??? Na2O:?1.90%?

    ?

    1.?High?pure?tourmaline?is?the?bijou?that?can?be?made?into?jewelry?such?as?necklace?bracelet?and?so?on.

    2.?It?can?be?used?in?deodorizing?wall?paper,?floorboard,?ceiling?board?furniture?inner?wall?coasting?material?and?concrete.

    3.?Packing?material?with?the?function?of?antibacterial?and?fresh?keeping.

    4.?The?healthy?filling?of?cigarette?filter?tip.

    5.?Purification?materials?for?water?and?air.

    6.?Additive?of?toothpaste?and?cosmetic

    7.?Antibacterial?coating?and?is?use?in?electronic?equipment?and?house?hold?electric.

    8.?Made?composite?ceramic?with?the?function?of?antibacterial?sterilization?and?deodorization.

    ?

    Application:?radio?industry,?jewelry,?filter,?health?care,?etc

    ?

    Category:?cyclosilicate

    ?

    Size:?10-20mesh?20-40mesh?200mesh?325mesh

    ?

    Color:?Most?commonly?black,?but?can?range?from?brown,?violet,?green,?pink,?or?in?a?dual-colored?pink?and?green

    ?

    Typical chemical formula:

    ?

    (Ca,K,Na,[])(Al,Fe,Li,Mg,Mn)3(Al,Cr, Fe,V)6(BO3)3(Si,Al,B)6O18(OH,F)4

    ?

    Identification:?ISO9001:2000

    ?

    Typical?chemical?analysis:

    ?

    element

    Percent?by?weight?(%)

    SiO2

    37.05

    Al2O3

    29.8

    MgO

    8.05

    CaO

    1.18

    K2O

    0.09

    FeO

    8.33

    NaO2

    1.19

    Cr2O3

    0.22

    B2O3

    10.16

    TiO2

    0.44

    ?

    ?

    Typical?physical?properties:

    ?

    Density

    2.82-3.32

    Hardness

    7-7.5

    Crystal?habit

    Parallel?and?elongated.?Acicular?prisms,?sometimes?radiating.?Massive.?Scattered?grains?(in?granite)

    Crystal?system

    Trigonal

    Cleavage

    Indistinct

    Fracture

    Uneven,?small?conchoidal,?brittle

    Luster

    Vitreous,?sometimes?resinous

    Streak

    White

    Specific?gravity

    3.06?(+.20?-.06)

    Polish?luster

    Vitreous

    Optical?properties

    Double?refractive,?uniaxial?negative

    Refractive?index

    nω=1.635–1.675,?nε=1.610–1.650

    Birefringence

    -0.018?to?-0.040;?typically?about?.020?but?in?dark?stones?it?may?reach?.040

    Pleochroism

    typically?moderate?to?strong

    Red?Tourmaline:?Definite;?dark?red,light?red?Green?Tourmaline:?Strong;?dark?green,?yellow-green?Brown?Tourmaline:?Definite;?dark?brown,?light?brown?Blue?Tourmaline:?Strong;?dark?blue,?light?blue

    Dispersion

    .017

    Ultraviolet

    pink?stones—inert?to?very?weak

    Fluorescence

    red?to?violet?in?long?and?short?wave

    Absorption?spectra

    a?strong?narrow?band?at?498?nm,?and?almost?complete?absorption?of?red?down?to?640nm?in?blue?and?green?stones;?red?and?pink?stones?show?lines?at?458?and?451nm?as?well?as?a?broad?band?in?the?green?spectrum

    ?

    ?

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