Wednesday, Mar 20, 2019 | Last Update : 11:24 PM IST

vishav

Forget diamonds, try ichnusaite this Valentine’s Day

Far rarer than diamonds or emeralds, some minerals on Earth are known only from thimbleful samples, according to a first list of 2,550 obscure minerals on Friday that could have future uses, ranging f

14 Feb 2016 2:10 AM