Chemical break down of pumice stone?

As explained, by the ore information college when gases escape, rock into a foam once hard rock, the result is a very light, buoyant materials are the main use pumice building materials, such as making light of cement.Chemical break down of pumice stone? Pumice is very light this is due to the air bubble inside, create for gas left in the forming process, according to the different pumice stone solid material between the thickness of the density of the bubble.Pumice stone light they usually float on the surface for a period of time, and ultimately become a water sink the raft was before pumice that floating in the ocean for decades after the volcano.Pumice stone abrasive, this is why they are very good to remove the skin is dry, from the feet, seabuckthorn pumice used for polishing, abrasive pencil eraser, cosmetics exfoliants and printed circuit board production.General is pale color pumice, from white cream blue or gray, put aside or black found in the beauty salon pumice stone or enterprise is usually shallow gray color.
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