Page:Theophrastus - History of Stones - Hill (1774).djvu/324

 Genus. Species.

Marles,

1. White Marle—Melinum of the Antients.

2. Brown Marle—Fullers Earth.

3. Red Marle—Reddle.

4. Black Marle

This is hown by their Decompoition; and proved by their pecific Gravities. Variety