以砂熔化製成的透明固體，可透光，是製作窗戶或容器的工藝材料。 可在貿易品黑市販售換取個人資金，或經營地的馬車管理員包裝成商品後，於貿易管理所販售以補充營地資金。
A transparent solid made by melting sand, allowing light to pass through. This craft material is used to make windows and containers. Can be sold at the black market for trade goods to earn some coins, or packaged as trade goods through the camp's wagon manager and sold at the trading center to secure camp funds.