Back issues of the
AZGem Gems newsletter can be accessed by clicking
To enquire about gems or jewelry...
Usable Gems... and a little opinion.
Gem Origins -
Gem origins - Nigeria, it's a common statement in the gem
Nigeria is the most important producer of gem rough in
West Africa. Located south of the Great Sahara Desert, Nigeria extends to the
Gulf of Guinea, part of the Atlantic Ocean just north of the equator.
Nigeria and this part of Africa present a strong argument
for the Theory of Continental
Drift. The shape and geology of Africa in this region match up well with
South America and Brazil.
South America (Brazil) projects and Africa indents. The two continents fit
Nigeria and Brazil produce
similar gem stones from similar geology. It's as though the two were once one.
Nigeria yields several types of beryl, including some very fine aquamarine,
yellow beryl, green beryl, and some commercial quality emerald.
In addition, Nigeria produces a variety of other gems:
Red, Pink, Blue, Teal, Green, Bi-colored and Yellow Tourmaline
Yellow, Blue and Colorless Topaz
red and pink tourmaline are probably the world's
finest. The spessartite and malaya garnet are also world class.
and Brazil are also the only known sources of tourmaline containing the element
Nigeria's West African neighbor such as Cameroon and Niger also produce some
commercial quantities of colored gems.
However, Nigeria is the gem superpower of West Africa.
The gem and jewelry industry is gearing up for a major trade show period in
The "Vegas Shows" as industry people are beginning to refer to
them, are coming in early June.