In 1967 L. a., a widowed mom and her daughters increase a different stunt to bolster their seance fraud company, inviting an evil presence into their dwelling.
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S. led on the January 2008 bulk-sampling of kimberlite pipes in the remote A part of Montana. The Crater of Diamonds State Park in Arkansas is open up to the general public, and it is the one mine on this planet where users of the general public can dig for diamonds.
Synthetic diamonds are diamonds manufactured inside of a laboratory, in contrast to diamonds mined in the Earth. The gemological and industrial utilizes of diamond have created a large demand from customers for tough stones. This demand has been contented largely by artificial diamonds, which are already produced by several procedures for a lot more than fifty percent a century.
1 a : indigenous crystalline carbon that is the toughest identified mineral, that is generally nearly colorless, that when clear and no cost from flaws is highly valued like a precious stone, and that is used industrially especially as an abrasive; also : a piece of this substance
 For that reason, whereas it would be achievable to scratch some diamonds with other components, like boron nitride, the toughest diamonds can only be scratched by other diamonds and nanocrystalline diamond aggregates.
candor 'the caliber of staying open, honest, and genuine' feminism 'the political, economic, and social equality on the sexes' white lie 'a lie a couple of compact or unimportant subject' hoax, unwitting 'not understanding' or 'not meant' Anglo-American 'reflecting English and American jurisprudence' SEE ALL
This really is aided by isotopic relationship and modeling in the geological history. Then surveyors have to Visit the place and obtain samples, looking for kimberlite fragments or indicator minerals. The latter have compositions that reflect the conditions where diamonds form, for instance Severe melt depletion or high pressures in eclogites. Nonetheless, indicator minerals might be misleading; an improved technique is geothermobarometry, where the compositions of minerals are analyzed as whenever they were being in equilibrium with mantle minerals.[fourteen]
Diamond is the hardest recognised natural product on both equally the Vickers scale along with the Mohs scale. Diamond's excellent hardness relative to other materials has long been regarded given that antiquity, and it is the supply of its title.
Geologic provinces of the globe. The pink and orange places are shields and platforms, which with each other constitute cratons.
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1. an exceedingly challenging, colourless valuable stone. Her brooch had three click here diamonds in it; (also adjective) a diamond ring. diamant ماس، ألماس диамант diamante diamant; diamantový der Diamant diamant διαμάντιdiamante teemant الماس timantti diamant; de diamantיהלום हीरा dijamant gyémánt intan, berlian demantur diamante ダイアモンド 다이아몬드 deimantas dimants; briljants; dimanta-; briljanta- permata diamant, diamantendiamantdiament الماس diamante diamant; de diamant бриллиант diamant; diamantový diamant dijamant diamant เพชร elmas 鑽石 брильянт, діамант ہیرا kim cương 钻石
Early diamond identification checks provided a scratch test depending on the excellent hardness of diamond. This check is damaging, being a diamond can scratch An additional diamond, and is never used presently. Instead, diamond identification depends on its outstanding thermal conductivity. Digital thermal probes are greatly used inside the gemological centers to different diamonds from their imitations.
Adequately tiny diamonds can variety inside the chilly of Area for the reason that their reduced area Vitality makes them additional steady than graphite. The isotopic signatures of some nanodiamonds suggest they had been fashioned outside the Solar Process in stars.