युँ

युँ एउटा अपारदर्शी, हरियो पाराको नीलो रङको खनिज ढुङ्गा हो। यो तामा र आल्मुनियमको जलविद्युत फस्फेट हो जसको रासायनिक सूत्र CuAl6(PO4)4(OH)8·4H2O हो। यो एउटा दुर्लभ र बहुमूल्य हुन्छ, र यसको उत्कृष्ट स्थरहरू हजारौं वर्षदेखि रत्नको रूपमा मूल्यवान छन् किनभने तिनीहरूको अद्वितीय चमक छ ।
दायाँ|अङ्गुठाकार|250x250पिक्सेल
अङ्गुठाकार|250x250पिक्सेल
 सन्दर्भ सामग्रीहरू 
 British Museum (2000)। Aztec turquoise mosaics. Retrieved November 15, 2004 from www.thebritishmuseum.ac.uk
 Dietrich, R. V. (2004)। Turquoise. Retrieved November 20, 2004 from www.cst.cmich.edu/users/dietr1rv/turquoise.htm
 Persian Turquoise Mine 
 Hurlbut, Cornelius S.; Klein, Cornelis, 1985, Manual of Mineralogy, 20th ed., John Wiley and Sons, New York ISBN 0-471-80580-7
 King, R. J. (2002) Turquoise. Geology Today 18 (3), pp. 110–114. Retrieved November 24, 2004, from: http://doi.org/10.1046/j.1365-2451.2002.00345.x/full/
 Pogue, J. E. (1915)। The turquoise: a study of its history, mineralogy, geology, ethnology, archaeology, mythology, folklore, and technology. National Academy of Sciences, The Rio Grande Press, Glorieta, New Mexico. ISBN 0-87380-056-7
 Schadt, H. (1996)। Goldsmith's art: 5000 years of jewelry and hollowware. Arnoldsche Art Publisher, Stuttgard, New York. ISBN 3-925369-54-6
 Schumann, W. (2000)। Gemstones of the world, revised edition. Sterling Publishing. ISBN 0-8069-9461-4
 USGS (2002)। Turquoise. An overview of production of specific U.S. gemstones. U.S. Bureau of Mines Special Publication 14-19. Retrieved November 15, 2004 from https://web.archive.org/web/20070520223504/http://minerals.usgs.gov/minerals/pubs/commodity/gemstones/sp14-95/turquoise.html
 Webster, R. (2000)। Gems: Their sources, descriptions and identification (5th ed.), pp. 254–263. Butterworth-Heinemann, Great Britain. ISBN 0-7506-1674-1

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