My guess it is soapstone !
From: Georgia <georgia@stonebuff.com>
To: Restoration and Maintenance <sccpartners@stoneandtilepros.com>
Sent: Saturday, November 5, 2011 12:58 PM
Subject: [sccpartners] Stone
identification help needed
Customer said this is 100 year old stone. Curious to know if anuone is familiar with it. It goes to an antique buffet.