First discovered in 1902, gem-quality Grandidierite is extremely rare and is found only in Cap Andrahomana, Madagascar. Translucent specimens have also been found in New Zealand, Norway, and Suriname.

The value of kyawthuite is currently listed as priceless. The world's second-rarest gem, a mineral called painite, is valued at US$50,000 to $60,000 a carat. Oof. The world's only known piece of ...

Multibagger gems and jewellery stock, Sky Gold, hit 5% lower circuit after receiving board members approval for the allotment of 9 bonus shares on existing 1. Despite the latest drop, Sky Gold ...

But this unassuming gem, later named kyawthuite, is unlike anything else on Earth; or at least, anything else that we know of. It is the rarest mineral known to science, with only a single ...