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Geotechnical Egineering News tagged with [mineralogy]

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Earth's rarest minerals catalogued
BBC NEWS   13 February 2016   USA   USA  
Nevadaite is only known from just two locations: Eureka County, Nevada, and a copper mine in Kyrgyzstan
<p>Scientists have categorised the Earth's rarest minerals.<br />None of 2,500 species described is known from more than five locations, and for a few of them the total global supply could fit in a thimble.<br />The researchers say it is important to hunt ...
Earth's mineralogy unique in the cosmos
Science Daily   26 August 2015   World  
A rhodochrosite specimen from Butte, Mont, Credit: Robert Downs
<p>New research predicts that Earth has more than 1,500 undiscovered minerals and that the exact mineral diversity of our planet is unique and could not be duplicated anywhere in the cosmos. </p>