Perlite: Mineral information, data and localities.

Perlite, Natural Glass Insulation, Horticulture & Construction

Chemical composition of perlite.

Perlite · Dicalite Management Group

File:Perlite (Fish Springs Perlite Deposit, Pleistocene; American Perlite Mine, Inyo County, California, USA) 11.jpg - Wikimedia Commons

Perlite, Natural Glass Insulation, Horticulture & Construction

Agate: Mineral information, data and localities.

e-Rocks Mineral Auctions

Mineral Resource of the Month: Perlite

Pararammelsbergite: Mineral information, data and localities.

Photograph of Bearhead Rhyolite obsidian and dacite pumice samples by