133 - Deweylite   $35.00
Cedar Hill Quarry
Fulton Township
Lancaster County, PA
4.4" x 2.65" (112mm x 68mm)
ex. Steven C. Chamberlain Collection
A mixture of various poorly ordered trioctahedral 1:1 and 2:1 layer silicates,
mainly Lizardite and Stevensite, usually fluorescent