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Tanzanite is only found in Simanjiro District of Manyara Region in Tanzania, in a very small mining area approximately 7 km (4.3 mi) long and 2 km (1.2 mi) wide [4] near the Mererani Hills. [5] Tanzanite is noted for its remarkably strong trichroism, appearing alternately blue, violet and burgundy depending on crystal orientation. [6]
The area is home to the national gem of Tanzania, tanzanite. A rare gem only found in Mererani hills in Merereani ward in with Simanjiro District, Manyara Region. [5] Masai millionai based in Arusha region, Saniniu Laizer made headlines in 2020 after mining three stones and selling them for approximately $5.4 million. [5]
Zoisite occurs as prismatic, orthorhombic (2/m 2/m 2/m) crystals or in massive form, being found in metamorphic and pegmatitic rock. Zoisite may be blue to violet, green, brown, pink, yellow, gray, or colorless. Blue crystals are known under the name tanzanite. It has a vitreous luster and a conchoidal to uneven fracture. When euhedral, zoisite ...
Tanzanite “Another beautiful blue-purple stone, the tanzanite is associated with spiritual connection and expression, as well as discovering one’s own truth,” Salzer says. mineral vision ...
TanzaniteOne (TanzaniteOne Mining Ltd) is a gemstone mining company which exclusively mines the blue gemstone, tanzanite. TanzaniteOne Mining Ltd is located in Block C, Merelani, Tanzania. Merelani is the world's only known source of tanzanite.
Apart from wealth in agriculture, forestry and wildlife land, Tanzania is also very rich in minerals such as gold, diamond, iron, coal, nickel, tanzanite, uranium and natural gas. [2] Recently natural offshore gas deposits have been discovered. [3] The tribes in Tanzania can also weave, knit or sew well, as it is part of their cultural traditions.
Jumanne Mhero Ngoma was born in the Same District, Kilimanjaro and relocated to the then-Arusha Region of Tanzania at an early age. [2]In January 1967, at the age of 28, Ngoma discovered tanzanite at the Mirerani hills in the Kiteto district of the then Arusha Region (presently Manyara Region).
The altered ore type contains coarse flakes of graphite, often associated with tsavorite and tanzanite. A phosphate mine, in the north, near Minjingu stopped production in the 1990s before rehabilitation got underway in the mid-2000s. Because of its high growth economy, cement for building construction is an important natural resource.