carpathite

Also 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

Wikidata facts

Image: Carpathite-258272.jpg

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Nickel-Strunz '10th ed', review of (9th ed/ 2009 update): 10.BA.30
Commons category: Carpathite
chemical formula: C₂₄H₁₂
Strunz 8th edition (series ID, updated): IX/B.02
Nickel-Strunz 9th edition (updated 2009): 10.BA.30
IMA Mineral Symbol: Cpa

Sources (2)

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Article

4 sections

Contents

Discovery
Structure
Occurrence
References

==Discovery== The mineral was first described in 1955 for an occurrence in Transcarpathian Oblast, Ukraine. It was named for the Carpathian Mountains.