Carpathite

Infobox mineral
name = Carpathite
category = Organic mineral
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formula = C₂₄H₁₂)
molweight =
color = Yellow, yellow green, black.
habit =
system = Monoclinic - Prismatic
twinning =
cleavage = Perfect on [001]
fracture = Brittle
mohs = 1.5
luster = Vitreous - Adamantine
refractive = nα = 1.760 - 1.780 nβ = 1.780 - 1.982 nγ = 2.050 - 2.150
opticalprop = Biaxial (+/-)
birefringence = δ = 0.290 - 0.370
pleochroism =
streak = Yellow white
gravity = 1.35
density =
melt =
fusibility =
diagnostic =
solubility =
diaphaneity = Transparent
other = Fluorescent
references = [http://www.mindat.org/min-2162.html Mindat with location data] [http://www.webmineral.com/data/Karpatite.shtml Webmineral data]

Carpathite (also "pendletonite" and "karpatite") is a rare hydrocarbon mineral. It is the mineral form of the polycyclic aromatic hydrocarbon coronene with formula: C₂₄H₁₂.

It was first described in 1955 from an occurrence in Transcarpathian Oblast, Ukraine. It has also been reported from the Presov Region of the Slovak Republic and from San Benito County, California.

References