When you talk about spinel sources in the world, there is no way you can skip to mention mahenge deposits in Tanzania. If you don’t mention it then you intend to hide the whole truth about spinel sources in the world. Always give somebody what he deserves’.
Mahenge Spinel is one among gemstone that was popular from the year of 2000s due to its quality and color. One may ask this spinel comes from Mahenge only in this world? the answer is no. There are countries like Mozambique, Burma and many of them that provide Spinel, but the Mahenge spinel has been the best due to its color and clarity especially red and pink spinel.
Even Tanzania there are different areas that produce spinel like Winza, Tunduru but the Mahenge spinel has got more attraction.
Color: Various color like red, blue, green, brown, black, gray, lilac, purple, orange, rose, nearly colorless.
Inclusions: minute octahedral or negative crystals, alone or in fingerprint pattern; included crystals, iron oxide staining.
Refractive index: 1.718
Specific gravity: 3.60
Mohs Hardness: 8
Phenomena: Asterism, color change
Spinel gem is a tough gem due to its “Hardness”. Hence making spinel jewelry to be used all the time in the jewelry industry. Spinel can be used in any kind of jewelry be it neckless, pendant, earrings or rings.
When it comes to care and cleaning of spinel, device like ‘Ultrasonic or Steam cleaner can be used without any doubt at any time.
Dar es salaam to Mahenge via Morogoro road
Morogoro town -197km
Mikumi Junction - 319km
River Ruaha – 355km
Ifakara – 430km
Mahenge – 500km
Mahenge to Dar es salaam via Msata Bagamoyo Road
Mlimani – 10km
Lupiro – 41km
Kilombero Bridge – 64km
Ifakara – 70km
Kiberege – 106km
Mang’ula – 120km
Msolwa – 133km
Kidatu – 140km
River Ruaha – 145km
Mikumi Junction – 180km
Morogoro Town – 300km
Msata Junction – 422km
Bagamoyo – 185km
Dar City Centre – 550km
The Spinel that mine in Mahenge is found in two different types, Primary Deposits and Alluvial Deposits
What do we mean by saying primary deposits, it means is the gemstone from the rocks or from primary source. For example at Epanko area where big amount of spinals are produced from there spinel are being mined from the rocks. For you to mine spinel you need to use gun powder and other tools or mining equipment due to the spinel rocks are very tough.
There are some gemstones which are found in the rivers and they are brought up by waters for many years ago from the rocks of primary sources. There are other areas which produce it from beside water of rivers and streams, example of Epanko area it has both the primary deposits and alluvial deposits.
Most of Spinels that is found in this area of alluvial deposit are good with no crack and sometimes might be big size from 4 to 12 grams per piece.