chevron_left
chevron_right
Nuovo prodotto
ID of Transparent Red, Pink, and Purple Gems with Portable Instruments
Characterisation of Diamonds Color – Enhanced By Suncrest Diamonds USA
25 pag
Pagamenti sicuri al 100%
Description
This guide is for wholesalers, gemologists, jewelers and appraisers to be used as a quick reference for portable standard instruments to separate red, pink and purple transparent natural and synthetic gems using four portable in-expensive instruments: 1. 10x Loupe. 2. PL-Inspector/Jewellery Inspector 3. Portable polariscope 4. Spectroscope.
22 pag.
Authors: Branko Deljanin and John Chapman, 2019
5376
2 Articoli
feedback Segnala commento