Rutilated quartz

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Rutilated quartz as gemstone

Rutilated quartz is a variety of quartz which contains acicular (needle-like) inclusions of rutile.[1] It is used for gemstones. These inclusions mostly look golden, but they also can look silver, copper red or deep black. They can be distributed randomly or in bundles, which sometimes are arranged star-like, and they can be sparse or dense enough to make the quartz body nearly opaque. While otherwise inclusions often reduce the value of a crystal, rutilated quartz in fact is valued for the quality and beauty of these inclusions.[2][3]

References[edit]

  1. ^ Mineralienatlas – Fossilienatlas (ed.). "Rutilquarz" (in German). Retrieved September 21, 2017.
  2. ^ Simmons, Robert; Ahsian, Naisha: The Book of Stones: Who They Are and What They Teach, 4th ed. 2007, ISBN 978-1556436680, p. 336
  3. ^ Nature Guide – Gems, E-Book, Dorling Kindersley 2013, p. 108