Juwelier Frech Zürich

- Established 1995 -

Willkommen auf der Seite von Juwelier Frech AG in Zürich, bekannt für seinen einzigartigen Schmuck der an der Bahnhofstrasse in Zürich von Hand hergestellt wird. 

 
Colorchange: Blue and Purplish

Color change under different light: Blue and Purplish-blue

Natural Paraiba Tourmaline
23.46ct


 

Description

Paraiba Tourmalin with a total weight of 23.46ct.!

Untreated Paraiba tourmaline in this color are hard to find, since the vast majority of such stones are heat treated and commonly also clarity enhanced by oil or resin!

The stone has been re-polished to a superb condition.

Color

Blue (light colorchange to violet-blue can be noticed).

Geographical Origin

Alto Ligonha, Mozambique (Africa)

Treatment and Conclusions

The Gemstone is of natural origin and has no indications of treatments

Specialtes

90% of all Paraiba Tourmalines are commonly heat treated to modify their color to Neon Green or Blue.
Untreated Paraiba tourmalines in this color are very rare!

This Stone shows no indication of heat treatment or other sort of enhancements which makes it a very rare finding and a one of a kind gemstone!

Certifications

This Gemstone is certified by

- GGTL Laboratories (with Appendix)

- GRS (with “Important rarity award”)

- Guebelin Gem Lab (with information sheet)


Price on Request