carpathite
Sign in to saveAlso known as pendletonite, coronene, karpatite
Carpathite is a very rare hydrocarbon mineral, consisting of exceptionally pure coronene (C24H12), a polycyclic aromatic hydrocarbon. The name has been spelled karpatite and the mineral was improperly renamed pendletonite.
Key facts
- Mineral.name
- Carpathite
- Mineral.category
- Organic mineral
- Mineral.image
- Carpathite-258272.jpg
- Mineral.imagesize
- 260px
- Mineral.caption
- Carpathite from New Idria District, California USA
- Mineral.formula
- C24H12
- Mineral.IMAsymbol
- Cpa
- Mineral.strunz
- 10.BA.30
- Mineral.system
- Monoclinic
- Mineral.class
- Prismatic (2/m) (same H-M symbol)
- Mineral.symmetry
- P21/c, P21/n
- Mineral.unit cell
- a = 1625 pm, b = 463.8 pm, c = 1042 pm; β = 111°10'; Z = 2
- Mineral.color
- Yellow, yellowish brown on exposure
- Mineral.habit
- Acicular to thin tabular in bladed groups and fibrous radiating aggregates
- Mineral.cleavage
- Perfect on [001], [100] and [01]
- Mineral.fracture
- Splintery
- Mineral.tenacity
- Flexible, nearly plastic
- Mineral.mohs
- 1.5
via Wikipedia infobox
~2 min read
Encyclopedic overview
4 sectionsContents
- Discovery
- Structure
- Occurrence
- References
Carpathite is a very rare hydrocarbon mineral, consisting of exceptionally pure coronene (C24H12), a polycyclic aromatic hydrocarbon. The name has been spelled karpatite and the mineral was improperly renamed pendletonite.
==Discovery== The mineral was first described in 1955 for an occurrence in Transcarpathian Oblast, Ukraine. It was named for the Carpathian Mountains.
Excerpted from Wikipedia’s “carpathite” article, available under the CC BY-SA 4.0 licence.