Translations:Gemstone/34/en
From Vintage Story Wiki
Vugs describe small "geode" type structures that can generate inside of quartz & olivine veins. Inside of them are crystals, ranging in size from small to large, which can be broken down into item crystals (done by crafting the block crystals with a hammer) to be used in Glassmaking . Vugs are the only way to make Pink Glass and Smoky Glass , as they are the only source of Rose Quartz and Smoky Quartz .