Title: Growing the imitation cat's eye ruby
Application Number: 87102986 Application Date: 1987.04.25
Publication Number: 1015650 Publication Date: 1988.01.06
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C30B29/20
Applicant(s) Name: Tianjin Inst. of Silicate Address:
Inventor(s) Name:
Attorney & Agent: HU FENGWU
Abstract:
     This patent is a technique for growing high-quality decoration cat's eye ruby. Inside the ruby bar grown with this technique is a deep red color-stripe parallel to the growing axis and the ruby bar grown is bright, lustrous and hard, with a specific gravity of 3.99, high transparency and a refraction radio of 1.765. It is a novel style of high quality decoration gem, suitable for such ornaments as the finger ring surface.
Time: 8