Feb 12, 2007· Do not under any circumstances use beach sand in a sand blaster. This presents serious health risks to both the operator and anyone in the area. Beach sand (in Australia anyway) is almost always silica.
May 26, 2011· Um, sand pretty much IS silica sand is generally leetle small particles of quartz (and to a lesser extent other minerals), which is mainly composed of the element silicon. (So is glass, btw!) Silica per se is not poisonous in any way.