Bathvillite
BATHVILLITE, a naturally occurring organic substance. It is an amorphous, opaque, and very friable material of fawn-brown colour, filling cavities in the torbanite or Boghead coal of Bathville, Scotland. It has a specific gravity of 1.01, and is insoluble in benzene.
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)
