https://biz.prlog.org/tag/alexandrite/ alexandrite - Free business directory on PRLog.Org, latest companies listed first. 60 https://biz.prlog.org/helmandhahn/ Helm and Hahn Company has been designing and manufacturing jewelry for over 70 years. We will find you the perfect Ring or Pendant. Wed, 10 Nov 2010 19:53:25 GMT https://biz.prlog.org/Multicolour/ Headquartered in Bangkok, Thailand, - Multicolour Gems Ltd is a major importer and processor of rough stones from East Africa and Madagascar and a leading wholesaler of African gemstones. Tue, 04 Aug 2009 14:11:13 GMT