Gemstone Material: Natural Clear Quartz, Amethyst, Rose Quartz, Citrine ( Not Treated or Dyed ) Metal Material: Stainless Steel Gemstone Shape: Irregular, Chips Gemstone Color: Clear, Purple, Pink, Light Yellow Pen Ink Color: Black Pen Color: Style 1 - Rose Gold, With Raw Clear Quartz and Chips Style 2 - Rose Gold, With Raw Amethyst and Chips Style 3 - Rose Gold, With Raw Rose Quartz and Chips Style 4 - Gold, With Raw Citrine and Chips Sold by One Piece Clear Quartz, Rose Quartz and Citrine were Mined in Brazil, Amethyst was Mined in South Africa.