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Place of Origin:
China
Price for Minimum Order:
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Minimum Order Quantity:
1
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Delivery Time:
1days
Supplying Ability:
2000
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連絡先担当者 Ms. Serena
Xuegang, Shenzhen, Guangdong
Model:FID*1 Excellent iceland spar Black appearence Big eyepiece For many birefringence gem, We can see differnent color in different direction, it is called the pleochromatism of gem.Differnt gem has different pleochromatism and color, so this characteristic is important for testing ******1 Calcite Dichroscope is the best instruments to distingush pleochromatism. Pleochromatism is most clear in the vertical direction, there is no pleochromatism in the horizontal direction, so we must view in different direction
