Pike Arkansas hard oilstone for dentists jewellers and machinists

[Brian Deakin]

I have purchased on e bay a Pike Arkansas hard oilstone for jewelers ,dentists and machinists Can anyone please provide any information on this stone and its possible age regards Brianhttp://i.ebayimg.com/t/WATCHMAKERS-TOOLS-BOXED-OIL-STONE-22-/00/s/MTIwMFgxNjAw/$T2eC16FHJGoE9nuQeWioBQj(3-Vldw~~60_12.JPG


http://i.ebayimg.com/t/WATCHMAKERS-TOOLS-BOXED-OIL-STONE-22-/00/s/MTIwMFgxNjAw/$T2eC16RHJHIE9nyseGoiBQj(36Qo8w~~60_12.JPG

[Jonathan McCullough]

It's 360 - 416 million years old. Approximately. Also known as a translucent Arkansas oil stone. Lots of info all over the web and here about them.