Dioptase (Zaire 1983)

14 February (Zaire ) within release Minerals from Zaïre goes into circulation Stamp Dioptase face value 6 Zairean zaire

Stamp Dioptase in catalogues
Michel:	Mi:CD 809
Belgium:	Bel:CD 1187

Stamp is vertical format.

Also in the issue Minerals from Zaïre:

• Stamp - Malachite face value 2;
• Stamp - Quartz face value 45;
• Stamp - Gold face value 75;
• Stamp - Uranium & pitchblende face value 1;
• Stamp - Bournonite face value 1.50;
• Stamp - Cassiterite face value 3;
• Stamp - Dioptase face value 6;
• Stamp - Cuprite face value 8;
• Stamp - Diamond face value 10;
• Souvenir Sheet - Diamond face value 10;