How Is Tanzanite Formed

How Is Tanzanite Formed - Tanzanite is the blue to violet to purple variety of the mineral zoisite It is mined commercially only in one area of the world the Merelani Hills of Tanzania which is where it gets its name

As the most common story of the tanzanite mining boom goes in 1967 a Masai tribesman stumbled upon a cluster of highly transparent intense violet to blue crystals weathering out of the earth in Merelani an area of northern Tanzania He alerted a local fortune hunter named Manuel d Souza who quickly registered four mining claims

Overview About Tanzanite View Gallery Found in just one place on earth, tanzanite is a relatively recent discovery. Tiffany & Co named this blue-violet variety of zoisite in honor of Tanzania, where it was first unearthed in 1967.

It is believed to have formed through a combination of heat and pressure during tectonic activities that occurred around 585 million years ago The formation of tanzanite is associated with the presence of metamorphic rocks and the interaction of fluids rich in elements like vanadium chromium and manganese

Tanzanite History And Lore GIA

Tanzanite is a trade name that was first used by Tiffany and Company for gem quality specimens of a mineral named zoisite with a blue color Tiffany could have sold the material under the mineralogical name of blue zoisite but they thought the name tanzanite would stimulate customer interest and be easier to market

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GangstersOut Blog Tanzanite

Map A few decades ago a beautiful blue gemstone was discovered in the African country of Tanzania The stone named after the country where it was found is called tanzanite It can be a clear blue violet blue or bluish purple The richer the color of the tanzanite the more valuable it is

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Tanzanite Buying The Rare Gem At Its Source The New York Times

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Tanzanite The Gemstone Of A Generation Picup Media

Tanzanite Description GIA

Image by Pat Daly FGA Providing tanzanite has not been heat treated it will show three pleochroic colours red violet deep blue and a greenish yellow However if heated above circa 400 C to 500 C the greenish yellow colour is removed or substantially reduced and the bluish colour deepens

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How Tanzanite Was Formed SearchMin Ltd Science Blog

1st December 2022 14 min read Share This Story There are many incredible facts associated with the gemstone Tanzanite Its peerless deep indigo hue comes to mind as does its single location source in the country after which it is named Tanzania

So how is Tanzanite formed? It is believed that the Tanzanite stone was first formed over 550 years ago at the base of Mount Kilimanjaro in the north of Tanzania. The stone formed when tectonic plate movement and extreme levels of heat caused the formation of Mount Kilimanjaro, at the same time the tanzanite mineral was formed.

What Is Tanzanite Gemstone Tanzanite Stone GIA

In its untreated form Tanzanite is a trichroic gem meaning it shows three colors when viewed at different angles One direction is blue another purple and the other brown All Tanzanite demonstrates a striking response to lighting Daylight brings out its true blue hues while incandescent light emphasizes its indigo tones

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