Regulatory Pricing Rules to Neutralize Network Dominance

Abstract

PCT No. PCT/SU82/00011 Sec. 371 Date Oct. 24, 1983 Sec. 102(e) Date Oct. 24, 1983 PCT Filed Feb. 26, 1982 PCT Pub. No. WO83/02963 PCT Pub. Date Sep. 1, 1983.A single-crystalline jewelry material based on aluminium garnets of the general formula: Re3Al5O12, wherein Re=Y, Dy, Ho, Er, Tm, Lu and containing two dyeing additives. One of the additives is selected from the group consisting of europium in an amount of from 10-3 to 3% by weight or ytterbium in an amount of from 0.1 to 61.3% by weight and the other is selected from the group consisting of zirconium or silicon in an amount of from 10-4 to 1% by weight, or hafnium in an amount of from 10-3 to 3% by weight. The material has a color smoothly changing from green to violet.