GEMMA Quartz and Crystal

Sample quartz crystal request

Please, fill in the following form:

Purchased quartz quantity:

  1. pieces/month
  2. kg/month

Sample specification

  1.  As-Grown type   Lumbered type
    1.  Swept   Unswept
    2.  Z plate   Others
    3. +- (to) mm
      +- (to) mm
         to      mm
    4.  mm
    5.  0░00   Others
    6.  0.016   0.020   < 0.026 
    7.  10/cm2 max   30/cm2 max 
       100/cm2 max   300/cm2 max 
    8.  Ia grade   Ib grade   I grade   II grade 
    9.  AI < 10 ppm | Na, Li, K < 5 ppm 
       AI < 5 ppm | Na, Li, K < 5 ppm 
       AI < 5 ppm | Na, Li, K < 3 ppm 
       Other  

* Required fields

Legal information | © Gemma 2006