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https://www.etsy.com/market/ringwood_ware
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https://www.gia.edu/gems-gemology/summer-2018-diamonds-from-the-deep-diamonds-help-solve-the-enigma-of-earths-deep-water
Ringwoodite is a high-pressure form of olivine (Mg 2 SiO 4) that occurs in the lower half of the mantle transition zone, where it comprises around 60% of the total mineralogy. We know this from experimental work that simulates the high-pressure conditions deep within Earth. Until 2014, ringwoodite had only been found in highly shocked meteorites.
https://en.wikipedia.org/wiki/Ringwoodite
Ringwoodite is a high-pressure phase of Mg 2 SiO 4 (magnesium silicate) formed at high temperatures and pressures of the Earth's mantle between 525 and 660 km (326 and 410 mi) depth. It may also contain iron and hydrogen. It is polymorphous with the olivine phase forsterite (a magnesium iron silicate).Crystal class: Hexoctahedral (m3m), H-M symbol: (4/m …
http://www.sci-news.com/geology/science-ringwoodite-oceans-beneath-earth-01806.html
Ringwoodite is a form of the mineral peridot, believed to exist in large quantities under high pressures in the transition zone.. Ringwoodite has been found in meteorites but, until now, no ...
https://www.mindat.org/article.php/2198/Ringwoodite+-+the+true+story
First, what is ringwoodite? It is a polymorph of the more familiar mineral olivine. The gem variety of olivine is peridot, so that’s the gem link. Both olivine and ringwoodite have the same chemicals in them – (Mg,Fe2+)2 (SiO4).
https://www.cbc.ca/news/technology/deep-earth-has-oceans-worth-of-water-10-diamond-reveals-1.2569564
Ringwoodite is a form of the mineral found on Earth's surface as peridot (the birthstone for the month of August) or olivine. In fact, the grain trapped inside the diamond likely started its life...
https://answersingenesis.org/geology/rocks-and-minerals/diamond-ringwoodite-reveals-water-deep-earths-mantle/
Apr 17, 2014 · The first naturally formed terrestrial sample of ringwoodite, found in a diamond formed deep in the earth’s mantle, not only demonstrates the presence of ringwoodite—long suspected of causing discontinuities in seismic waves—but also confirms the …
https://www.sciencedirect.com/topics/earth-and-planetary-sciences/ringwoodite
Recently, small inclusions of ringwoodite have been reported in diamonds brought to the surface in kimberlites (Pearson et al., 2014). Theory and experiments show that although the water storage capacity of olivine-dominated shallow mantle is limited, the mantle transition zone could be a major repository for water, owing to the ability of the higher-pressure polymorphs of olivine (wadsleyite and ringwoodite) …
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