Information about perlite is now being hosted by www.perlite.info.

Perlite.info continues to make use of the incon perlite index system to conveniently organize information by topic for easy retrieval.  The index includes information about documents from a wide variety of sources, both on and off the internet.

At the top of each page, is the path of main category headings through which the existing entry is found.  Clicking on any of the headings takes you to the menu of listings for that heading.

A search function is also available on the sidebar of each page.