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????????, tumble finished , 25 mm (1 in) ?????
General
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???????
(??? ??? ???? ??? ????) 		CuAl 6 (PO 4 ) 4 (OH) 8 ·4H 2 O
???????? ??????? 8.DD.15
???? ????? Triclinic
???? ??????? Pinacoidal ( 1 )
H-M symbol : ( 1 )
Identification
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??????? ????? ?????, ?????
?????? Good to perfect_usually N/A
?????? Conchoidal
Mohs scale hardness 5?6
??? Waxy to subvitreous
????? ???? ?? ???? ?????
???????? ??????? 2.6?2.9
?????? ??? Biaxial (+)
?????????? ?????? nα = 1.610 nβ = 1.615 nγ = 1.650
????????????? +0.040
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????? [1] [2] [3]

???????? ????????? ????-??? ???? ??, ?? ???? ??? ???????? ?? ????????? ???????? ??? ???? ?????? ??????? cu al 6 ( PO
4 ) 4 ( OH ) 8 ·4 H
2 O ???

????? [ ???? ]

  1. ↑ Hurlbut, Cornelius S.; Klein, Cornelis, 1985, Manual of Mineralogy , 20th ed., John Wiley and Sons, New York ISBN 0-471-80580-7
  2. ↑ "Turquoise:turquoise mineral information and data" . mindat.org . Retrieved 2006-10-04 .
  3. ↑ Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C., eds. (2000). "Turquoise". Handbook of Mineralogy (PDF) . Vol. IV (Arsenates, Phosphates, Vanadates). Chantilly, VA, US: Mineralogical Society of America. ISBN   0962209732 .
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