Rutilated quartz is various quartz. The colour varies from white transparent rock crystal to dark grey or dark brown smoky quartz, filled with silver, gold or reddish to red rutile needles. Chemical composition: SiO₂ + TiO₂ (rutile) + Fe, Sn, V, Cr, Nb, Ta + (Na, K, Cl, C) Crystal system: the quartz is trigonal, and the rutile is tetragonal. Crystal class: oxides Cleavage: undu Colour: dark pink to very light, transparent pink. Stripe Color: White Luster: Vitreous Fracture: Rough, Shell Shape Hardness (Mohs): 7 Average Density: 2.68 – 2.72 Transparency: Transparent to translucent A common mineral. Found in Switzerland, Brazil, Madagascar, the USA and Australia. The rutile needles were mistaken for the hair of Venus, which gave the crystal the nickname Venus Hair Quartz or Sagenite. This was said to be a powerful love amulet. Later it was believed that this mineral contained angel hair, and it was given the name Angel Hair Quartz. Rutilated quartz belongs to the zodiac signs Leo and Aries.