International Institute of Minerals Appraisers
P.O. Box 3274, Boulder, Colorado, USA 80307
George (Hin Yuen) Tsang, Ph.D. -- Certified Member No. 2016-02
- Rm 1202, Lee Wai Commercial Building, No. 1-3
- Hart Avenue, Tsim Sha Tsui, Kowloon, Hong Kong, China
- Phone No: 86-13143940032
- Cell No: Mobile: 852-60962439 (Hong Kong), 86-13143940032 (China)
- Email: geotsang2012@yahoo.com.hk
- Mineral Type: Metallic Ores
- Membership Class: Certified
- Start Date: January 1, 2016
- Subscription Date: February 11, 2026
- Expiry Date: January 1, 2027
Certified
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