skiro
1 Answer
Yvonne57
Green tourmaline is often heated to lighten color in over saturated gems, like those commonly seen in Brazil. Other tourmalines are heated to alter one of the dichroic colors.
from: http://www.moregems.com/heat_treatment_of_gems
| 14 years ago. Rating: 0 | |
Top contributors in Uncategorized category
Unanswered Questions
92lotteryitcom0
Answers: 0
Views: 8
Rating: 0
GXT Hong Kong
Answers: 0
Views: 12
Rating: 0
Roulette Fly88: Trai Nghiem Co Bac Dinh Cao Tai Nha Cai Hang Dau
Answers: 0
Views: 13
Rating: 0
calientebetsmx
Answers: 0
Views: 6
Rating: 0
Soi Cầu Dàn Lô 4 Số Miền Bắc
Answers: 0
Views: 6
Rating: 0
calientebetsmx
Answers: 0
Views: 7
Rating: 0
say88rucom
Answers: 0
Views: 11
Rating: 0
Title: Kham Pha Fly88 Android - Trai Nghiem Ca Cuoc Dinh Cao Tren Di Dong
> More questions...
Answers: 0
Views: 12
Rating: 0