Raw Glass

You need raw glass for several glass products.
==How to Acquire==
Dig on sand tiles to get sand. A fueled and lit Crucible allows you to craft raw glass. Right-click the Crucible to use it.
Sand tiles are found at shores of some lakes. Currently they appear to give infinite supply.
==Quality==
Quality of Raw Glass is equal to the quality of sand used, softcapped by geometric average of crafter's Perception and Smithing.