قرافیت

(قئرافیت-دن يوْل‌لاندیریلمیش)

قرافیت (اینگیلیسجه: Graphite) کربونیک کریستال فورمو ایستاندارد اولان دوروم دا ان ثابیت قالان کربون فورمو دور آما چوخ ایستی سیخیلمیش دوروم دا آلماس فورمونا دؤنور[۵].

Graphite
Graphite specimen
General
CategoryNative mineral
Formula
(repeating unit)
C
Strunz classification1.CB.05a
Crystal systemHexagonal
Crystal classDihexagonal dipyramidal (6/mmm)
Hermann–Mauguin notation: (6/m 2/m 2/m)
Space groupP63mc (buckled) P63/mmc (flat)
Unit cella = 2.461, c = 6.708 [Å]; Z = 4
Identification
ColorIron-black to steel-gray; deep blue in transmitted light
Crystal habitTabular, six-sided foliated masses, granular to compacted masses
TwinningPresent
CleavageBasal – perfect on {0001}
FractureFlaky, otherwise rough when not on cleavage
TenacityFlexible non-elastic, sectile
Mohs scale hardness1–3
LusterMetallic, earthy
StreakBlack
DiaphaneityOpaque, transparent only in extremely thin flakes
Specific gravity1.9–2.3
Density2.09–2.23 g/cm3
Optical propertiesUniaxial (−)
PleochroismStrong
SolubilitySoluble in molten nickel, warm chlorosulfuric acid[۱]
Other characteristicsstrongly anisotropic, conducts electricity, greasy feel, readily marks
References[۲][۳][۴]

قایناقلار دَییشدیر

  1. ^ Liquid method: pure graphene production. Phys.org (May 30, 2010).
  2. ^ Graphite. Mindat.org.
  3. ^ Graphite. Webmineral.com.
  4. ^ Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C., eds. (1990). "Graphite" (PDF). Handbook of Mineralogy. Vol. I (Elements, Sulfides, Sulfosalts). Chantilly, VA, US: Mineralogical Society of America. ISBN 978-0962209703.
  5. ^ اینگیلیسجه ویکیپدیا