Mineral glass with hardened mineral surface and 6-7 Mohs is nevertheless harder than steel. The rupture safety of mineral glass is inferior to both the acrylic glass and the sapphire crystal.

3. Musgravite This mineral was first discovered in 1967 at the Musgrave Range in South Australia, but has shown up in limited quantities in Greenland, Madagascar, and Antarctica.

Mineral expo provides a showcase for local and international brands Located in the south of Hunan province, the city of Chenzhou is renowned for its rich gemstone, mineral and nonferrous metal ...

According to an article published in the journal Minerals last month, the new mineral — named Carmeltazite, after Mount Carmel in northern Israel — contains titanium, aluminium and zirconium.