Black shale stones sawn into finger length flat bars, breaks into layers, No grit, Hard and snappy, turns creamy, unique texture that only shales have, not sticky.
 Typical slatepencils earthiness but with deep cementy dirt tones. It’s like  sand stones and cement together but without the grit. Please note the finish and thickness may vary slightly depending on d machine cut or hand cut. 
Slates tend to break during transit despite the bubble padded Envelope, to avoid breakage upgrade to box. 
Similar Items - White flat, Pink flat, black grooves