: RSVP White Marble Spice Grinder Set: Mortar ...
Sep 18, 2015· Any varieties of stone objects sold as "marble" may be metamorphed limestone real marble, or microcrystalline unmetamorphed limestone. The two have geological difference but in a spice grinder the difference matters very little. I have no idea if this tool is marble or microcrystalline limestone, but it looks more like marble.