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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.
Occurrence, Discovery & Structure
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mineral coronene california structure organic c24h12 references pure pendletonite discovery occurrence ukraine nm quartz cinnabar 10 crystal described oblast named
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Carpathite | Birefringence | δ = 0.290 - 0.370 | 1.00 | infobox |
| Carpathite | Category | Organic mineral | 1.00 | infobox |
| Carpathite | Cleavage | Perfect on , and | 1.00 | infobox |
| Carpathite | Color | Yellow, yellowish brown on exposure | 1.00 | infobox |
| Carpathite | Crystal class | Prismatic (2/m) (same H-M symbol) | 1.00 | infobox |
| Carpathite | Crystal habit | Acicular to thin tabular in bladed groups and fibrous radiating aggregates | 1.00 | infobox |
| Carpathite | Crystal system | Monoclinic | 1.00 | infobox |
| Carpathite | Diaphaneity | Transparent | 1.00 | infobox |
| Carpathite | Formula | C24H12 | 1.00 | infobox |
| Carpathite | Fracture | Splintery | 1.00 | infobox |
| Carpathite | IMA symbol | Cpa | 1.00 | infobox |
| Carpathite | Luster | Vitreous - adamantine | 1.00 | infobox |
| Carpathite | Melting point | 432.8 °C | 1.00 | infobox |
| Carpathite | Mohs scale hardness | 1.5 | 1.00 | infobox |
| Carpathite | Optical properties | Biaxial (+/-) | 1.00 | infobox |
| Carpathite | Other characteristics | Fluorescent - electric blue to blue-green | 1.00 | infobox |
| Carpathite | Refractive index | nα = 1.760 - 1.780 nβ = 1.977 - 1.982 nγ = 2.050 - 2.150 | 1.00 | infobox |
| Carpathite | Space group | P21/c, P21/n | 1.00 | infobox |
| Carpathite | Specific gravity | 1.35 | 1.00 | infobox |
| Carpathite | Streak | Yellow white | 1.00 | infobox |
| Carpathite | Strunz classification | 10.BA.30 | 1.00 | infobox |
| Carpathite | Tenacity | Flexible, nearly plastic | 1.00 | infobox |
| Carpathite | Unit cell | a = 1625 pm, b = 463.8 pm, c = 1042 pm; β = 111°10'; Z = 2 | 1.00 | infobox |
| Carpathite | is a | very rare hydrocarbon mineral | 0.90 | text |
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