Industry
3
This is the largest surface boulder of Diaspore found in the Missouri Diaspore Fields south of the Missouri River. It was taken from a diaspora pit near Aud, Osage County, Missouri, in 1926. Diaspore is a high alumina clay occurring in this form with a fusion point above 3300°F. Chemically, it consists mainly of alumina and water. Diaspore is a raw material or clay from which the A. P. Green high alumina super refractories are made.
Hear stories like this as you drive
ExploreHere reads historical markers out loud as you pass them: over 325,000 stories across the US. No account needed.
4.7 · 800+ ratings · Free
FIND IT
Mexico, Missouri · United States
