Tsarstone collectors guide
One of the most authoritative gemmological laboratory offering gemmological analysis using the latest equipment.
Homepage | Address | Contact |
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www.gaaj-zenhokyo.co.jp/ |
8F Daiwa-Ueno Bldg 5-25-11 Ueno Tokyo 110-0005 Japan |
N: Natsuki Takahashi T: +81-3-3835-2466 F: +81-3-3839-0798 E: laboratory@gaaj-zenhokyo.co.jp |
Leading gemmological educational institution in Japan has been providing professional education in the field for the past 30 years. Zenhokyo Laboratory is equipped with the most professional and advanced testing devices and systems, including inductively coupled plasma-mass spectrometers, laser tomography systems, laser induced breakdown spectrometry and the latest cathode luminescence equipment.
Sponsored by Multicolour Gems Ltd Design and maintenance by Netcomposite®