Welcome to Gemlab Inc. at www.themelis.com

TRAINING COURSE#610 - THE HEAT TREATMENT OF RUBY-SAPPHIRE
This is a non-gemological course dealing with the thermochemistry and practical applications of heat-treating ruby & sapphire. Industry members say that this is the best and the only hard-core course on the subject available in this planet.. Only serious and dedicated participants will be considered and upon approva will attend.. Contact ted@themelis.com

ALL COURSES ARE NO LONGER OFFERED
HOWEVER, YOU CAN BUY THE LAST EDITION OF MY BOOK AND THE RELATED HEATING EQUIPMENT TO LEARN BY YOURSELF THE HEAT TRETING ART OF RUBIES-SAPPHIRES

STATE-OF-ART GEMSTONE MUFFLE TUBE FURNACES 1200oC to 1720oC NEW MODELS Our affiliate web site provides all information on our NEW muffle models M50P-1720, M80P-1720, V80-1200, BV50-1200-mini combo and our High Pressure- Low-Temperature reactor for treating emeralds model HPLT-300 and related equipment we fabricate in our workshop in Bangkok Click for details http://www.gemstonetreatments.com
M80P-1720	M50P-1720	V80-1200	BV50-1200	HPLT-100D

NEW DEVELPMENTS IN HEAT TREATMENT RUBY-SAPPHIRE FROM T.THEMELIS
PHTSAPPHIRES PROJECT	Diffusion of non-buffering (Ar+He)/H2 gas into the lattice of gem corundum
Plasma Sintering Special Furnace for heating sapphires. This project is a colloborated effort with ITU (Istanbul Technolog Institut)..	Purging gas mixture consting of argon + helium mixed with up to 12%vol of. hydrogen in GEMLAB M50 and M80results in better blue coloration in heating geuda and selected sapphires.....more