Open/Close Mobile Menu Open/Close Mobile Menu

Vermiculite rising

By Siobhan Lismore-Scott
Published: Thursday, 28 June 2018

New supply from Uganda and Turkey pushed up global vermiculite production in 2017. Meanwhile, prices have increased out of the United States because customers are demanding higher grades.

Vermiculite is a hydrated magnesium-aluminium silicate - its typical composition is 38-46% silica (SiO2), 10-16% alumina (Al2O3), 16-35% magnesia (MgO) and other compounds such as calcium, iron, potassium and titanium oxide. 

Owing to its lamellar structure, similar to that of mica, vermiculite expands 6-30 times the original volume of vermiculite...

This is a preview of the full article

Logo
  • 2 years pricing data on all minerals
  • The latest global news and features
  • Print magazine
  • Article archive ranging from 1988
  • Access on the move with IM Insight mobile app




Take a Trial or Subscription today. Start below: