Can you turn beach sand into silica sand?

Technically, beach sand naturally mixed with crushed sea shells, could be acid washed for 12 to 15 hours and drained out with a plain water washing and sun-dried, in order to convert it into silica sand. read more

Silica is Quartz. Not all land has Quarts. As an example, On Oahu our sand is broken down coral and shells. On Big Island you have mostly volcanic sand. I believe sand on the US West Coast is Silica But you also have sea shells which are mostly Calcium. read more

Silica is an abundant mineral on the earth crust, and it is in sand, quartz and any other minerals. Some minerals have pure silica but in some, silica are mixed with other elements. In silica, the sulfur and oxyden atoms joined by covolent binds to form a huge crystal structure. read more

Incredibly, lightning can and does in fact create something amazing when it hits sand, but the conditions have to be perfect. When it hits a sandy beach high in silica or quartz and the temperature goes beyond 1800 degrees Celsius, the lighting can fuse the sand into silica glass. read more