• 

  Xiaocuo White Granite

  China

  granite
• 

  Xide Purplish Red Granite

  China

  granite
• 

  Xide Rose Red Granite

  China

  granite
• 

  Xide Violet Granite

  China

  granite
• 

  Xili Hong Granite

  China

  granite
• 

  Xili Red Granite

  China

  Guangdong province

  granite
• 

  Xiling Flower Granite

  China

  granite
• 

  Xiling Red Granite

  China

  granite
• 

  Xingtai Snowflake White Marble

  China

  marble
• 

  Xinjiang Classic Brown Granite

  China

  Xinjiang Uyghur Autonomous Region

  granite
• 

  Xinjiang Gold Granite

  China

  Qitai County(Gucheng, Xinjiang Uyghur Autonomous Region)

  granite
• 

  Xinjiang Red Granite

  China

  granite
• 

  Xinmiao Red Granite

  China

  granite
• 

  Xinyi Sesame Black Granite

  China

  granite
• 

  Xinyi Spindrift Granite

  China

  granite
• 

  Xinyi Star Black Granite

  China

  granite
• 

  Xinyi Twist Flower Granite

  China

  granite
• 

  Xiropotamos Green Star Marble

  Greece

  Xiropotamos, Drama, East Macedonia

  marble
• 

  Xishi Black Granite

  China

  granite
• 

  Xishi Red Granite

  China

  granite
• 

  Xisto de Barrancos Slate

  Portugal

  Barrancos, Sierra Morena, Beja, Alentejo

  slate
• 

  Xisto de Mourao Slate

  Portugal

  Mourao, Evora, Alentejo

  slate
• 

  Yangtze White Granite

  China

  Jiangxi province

  granite
• 

  Yankari Granite

  Nigeria

  Yankari, Bauchi State, in northeastern Nigeria

  granite
• 

  Yanqing Crystal White Marble

  China

  marble