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الشخص الذي يمكن الاتصال به Ms. emma
Xianjing Industrial District,, zhangzhou, fujian
Polariscopes are used to quickly and easily check if gemstones are single or double refracting. It Is very useful in identifying Moissanite and detecting strain in diamonds and other gems. It is also used to separate synthetic amethyst from genuine. The desktop instrument has a built in light source. specification: Power input: **0V~**0V *0HZ Storage Temperature: ****5°C Gross Weight: **0g
