|
No |
Name |
Author |
year |
Count |
|
75 |
Precious stones
Viet Nam |
Dong Nai Precious stones copany |
|
75 |
|
78 |
Precious stones
Nghe Tinh |
Le Duc Kham |
1982 |
6 |
|
79 |
Decorative stones Viet Nam |
Hoang The Ngu |
1983 |
11
|
|
109 |
Precious stones Viet Nam |
Nguyen Van |
|
21 |
|
112 |
Precious stones Viet Nam |
Doan 301 (Lien doan 3) |
1987 |
3 |
|
116 |
Colour stones An Phu-
Hoang Lien Son |
To Xuan Voi |
1991 |
19 |
|
117 |
Colour stones Song Lo |
Nguyen Quoc Vinh |
1991 |
16 |
|
121 |
Precious stones; Semi-precious stones Binh
Thuan, Lam Dong |
Le Bac Vinh |
1991 |
5 |
|
134 |
Colour stones
Bu Khang Nghe An |
Do Duc Quang |
1992 |
24 |
|
143 |
Nefrit-zadeit Co Phuong, Son La |
Tran Ngoc Cuong |
1992 |
4 |
|
163 |
Precious stones Luc Yen-
Yen Bai |
Ngo Van Nghiem |
1993 |
10 |
|
167 |
Precious stones Da Ban- Binh Thuan |
Nguyen Van Tung |
1993 |
3 |
|
193 |
Peridot in the bazan Duc
Trong – Lam Dong |
Geology museum |
1995 |
1 |
|
195 |
Precious stones Dac
Ton- Dac Lac |
Mai Kim Vinh |
1994 |
155 |
|
196 |
Semi-precious
stones Nhu Xuan, Lam Đong |
|
1992- 1995 |
23 |
|
202 |
Stones have Corindon Luc Yen-Yen
Bai |
|
1996 |
4 |
|
205 |
Precious stones; semi-preciou stones Song
Ma |
Hoang Sao |
1996 |
76 |
|
207 |
Precious stones Luc Yen |
|
1997 |
4 |
|
253 |
Precious stones Luc Yen– Yen Bai |
|
|
4 |
