African emerald

African Emerald: An African Emerald is not actually an emerald. It is green fluorite mined in South Africa.
African Jade: African jade is not really jade, but a type of garnet strongly resembling jade that is mined in South Africa.

African emerald
Actually a green variety of fluorspar that is mined in South Africa.
African jade ...

African Emerald is a misnomer for green fluorspar that is mined in South Africa and it is not an emerald at all.

African emerald
African emerald is a misnomer for green fluorspar that is mined in South Africa; it is not an emerald at all.

AFRICAN EMERALD GEMSTONE
African countries like Zimbabwe, Zambia, Madagascar and Nigeria have deposits of beryl and are the second most leading producer of emerald. Unlike Columbian emerald, African emerald lacks the intensity of green colour.

African Emerald: A green fluorspar mined in South Africa. It is not an Emerald.
African Jade: A large green grossular garnet mined in South Africa. It is not jade.

Spring 1938, South African emeralds, p. 146, 1p.
Summer 1940, Differences Between Russian and Colombian Emeralds, by Gübelin, p. 89, 4pp.
Spring 1941, The Emerald Mines of Muzo, Colombia, p. 130, 5pp.

Although most African emeralds are colored by the presence of vanadium. The finest emeralds are an intense pure medium green, without blue or yellow modifying tones. The purity of the green is critical to the value of an emerald.

If you have a moderate budget, you can purchase African emerald. As a general rule these gems are cleaner than Colombian emeralds but have a touch of black and gray colors. They trade at a 50% discount to Colombian stones.

See also: Color, Gemstone, Emerald, Fire, Jewel