Pieces of glass that have been tumbled around in the sea, in amongst the sand and stones over many, many years which can then be found on our beaches, smoothed and frosty looking are what we refer to as Sea Glass or Beach Glass. Add to this the natural reaction between glass and salt and you end up with the etched, frosted look you find on your sea glass...
What is Sea Glass? Where to Find Sea Glass and How to Drill Sea Glass
7 Facts About Tungsten Carbide Burrs and How To Use Them
Carbide Burrs can be used on many materials including all metals, all stone, ceramic, hard wood, fibreglass and reinforced plastics.
This article helps to explain the different type of cuts, the various shapes available and what they each do, shank sizes and how to use carbide carving burrs.