to its content; Human Hair Wigs hematite has a metallic luster, tiger's eye has a changeable luster and jasper has a dull to vitreous luster.Topaz is an aluminum silicate gemstone that is colorless in its pure form and various Hair Extensions other colors, including golden brown, when it contains trace impurities. Brown topaz gemstones are translucent to transparent with a Virgin Hair vitreous luster and a Mohs.