GemResearch Swisslab (GRS) Specializing in Origin Determination of Fine Rubies and Sapphires
(Klicks: 155;Website hinzugefügt: Aug 12, 2014)
- LINK: gemresearch.ch
- Land: Schweiz
- Stichwort 1: gemresearch swisslab
- Stichwort 2: adolf peretti
- Stichwort 8: gem lab
- Stichwort 9: geology
- Stichwort 10: mineralogy
Beschreibung:
GemResearch Swisslab (GRS) is a gemstone testing laboratory with state-of-the-art instrumentation. GRS Heat Treatment thermal treatment gemmological heat enhancement process clarity color diamond ruby sapphire.