Mineral Information and Data:

Chaoite
C [CNMNC approved formula]

Named for Edward C. T. Chao (1919-), Chinese-U.S. Petrologist.

IMA status : Approved Species 1969 ()
CLASSIFICATION 
Dana
(8th edition) :
01.03.06.04  
  (01) Native Elements
  (01.03) with semi-metallic and non-metallic elements
  (01.03.06) Carbon Polymorph group
  
Nickel-Strunz
(10th edition) :
01.CB.05b
  (01) Elements
  (01.C) Metalloids and Nonmetals
  (01.CB) Carbon-silicon family
  
Crystal system: Hexagonal System
Point group (H-M): 6/mmm (or 6/m 2/m 2/m) — dihexagonal-dipyramidal
  
  
  

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