Idrialite
A valid IMA mineral species - grandfathered
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About Idrialite
Formula:
C22H14
the formula (assuming this is a separate species) fits pentacene, picene, or pentaphene and not dimethylbenzphenanthrene
Colour:
Greenish yellow
Lustre:
Adamantine, Vitreous
Hardness:
1½
Crystal System:
Orthorhombic
Name:
Named for the type locality of Idria mine, Slovenia.
Type Locality:
Possibly a complex mixture of polycyclic aromatic hydrocarbons.
"Identical to dimethylbenzphenanthrene" (Handbook of Mineralogy). However, this compound is given as C20H16 (PubChem).
"Identical to dimethylbenzphenanthrene" (Handbook of Mineralogy). However, this compound is given as C20H16 (PubChem).
Unique Identifiers
Mindat ID:
2003
Long-form identifier:
mindat:1:1:2003:5
IMA Classification of Idrialite
Approved, 'Grandfathered' (first described prior to 1959)
Classification of Idrialite
10.BA.20
10 : ORGANIC COMPOUNDS
B : Hydrocarbons
A : Hydrocarbons
10 : ORGANIC COMPOUNDS
B : Hydrocarbons
A : Hydrocarbons
Dana 7th ed.:
50.3.8.1
50.3.10.
50 : ORGANIC COMPOUNDS
3 : Hydrocarbons
50 : ORGANIC COMPOUNDS
3 : Hydrocarbons
32.5
32 : Hydrocarbons, Resins and other Organic Compounds
32 : Hydrocarbons, Resins and other Organic Compounds
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Id | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Idrialite
Chemistry of Idrialite
Mindat Formula:
C22H14
the formula (assuming this is a separate species) fits pentacene, picene, or pentaphene and not dimethylbenzphenanthrene
the formula (assuming this is a separate species) fits pentacene, picene, or pentaphene and not dimethylbenzphenanthrene
Elements listed:
Crystallography of Idrialite
Crystal System:
Orthorhombic
Cell Parameters:
a = 8.07 Å, b = 6.42 Å, c = 27.75 Å
Ratio:
a:b:c = 1.257 : 1 : 4.322
Unit Cell V:
1,437.71 ų (Calculated from Unit Cell)
Comment:
Space group not determined.
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 7.08 Å | (20) |
| 4.94 Å | (100) |
| 4.43 Å | (20) |
| 4.04 Å | (60) |
| 3.40 Å | (80) |
| 2.48 Å | (30) |
| 2.06 Å | (20) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 3b: Earth’s earliest hydrosphere | >4.45 |
| 14 : Hot springs, geysers, and other subaerial geothermal minerals | |
| Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere | <0.6 |
| 50 : Coal and/or oil shale minerals | <0.36 |
| Stage 10b: Anthropogenic minerals | <10 Ka |
| 54 : Coal and other mine fire minerals (see also #51 and #56) |
Type Occurrence of Idrialite
Synonyms of Idrialite
Lebererz (of Werner) (in part)
Other Language Names for Idrialite
Common Associates
Associations Based on Photo Data:
| 20 photos of Idrialite associated with Cinnabar | HgS |
| 12 photos of Idrialite associated with Quartz | SiO2 |
| 8 photos of Idrialite associated with Aragonite | CaCO3 |
| 6 photos of Idrialite associated with Metacinnabar | HgS |
| 4 photos of Idrialite associated with Realgar | As4S4 |
| 3 photos of Idrialite associated with Carpathite | C24H12 |
| 1 photo of Idrialite associated with Pecoraite | Ni3(Si2O5)(OH)4 |
Related Minerals - Strunz-mindat Grouping
| 10.BA. | Freitalite | C14H10 |
| 10.BA.05 | Fichtelite | C19H34 |
| 10.BA.10 | Branchite | C20H34 |
| 10.BA.15 | Dinite | C20H36 |
| 10.BA.25 | Kratochvílite | C13H10 |
| 10.BA.30 | Carpathite | C24H12 |
| 10.BA.35 | Phylloretine | C18H18 |
| 10.BA.40 | Ravatite | C14H10 |
| 10.BA.45 | Simonellite | C19H24 |
| 10.BA.50 | Evenkite | C21H44 |
| 10.BA.55 | Wampenite | C18H16 |
| 10.BA.60 | 'Scharizerite' |
Fluorescence of Idrialite
Green
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Idrialite
mindat.org URL:
https://www.mindat.org/min-2003.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Idrialite
Reference List:
Zepharovich, V. v. (1888) Ueber Trona, Idrialin und Hydrozinkit. Zeitschrift für Krystallographie, Mineralogie und Petrographie, 13 (1-6). 135-144 doi:10.1524/zkri.1888.13.1.135
Wright, F. E., Allen, E. T. (1930) Curtisite, a new organic mineral from Skaggs Springs, Sonoma County, California. American Mineralogist, 15 (5) 169-173
Blumer, Max (1975) Curtisite, idrialite and pendletonite, polycyclic aromatic hydrocarbon minerals: Their composition and origin. Chemical Geology, 16 (4) 245-256 doi:10.1016/0009-2541(75)90064-9
Fleischer, Michael, Pabst, Adolf, Cabri, Louis J. (1976) New Mineral Names. American Mineralogist, 61 (9-10) 1053-1056
De, A., Ghosh, R., Roychowdhury, S., Roychowdhury, P. (1985) Structural analysis of picene, C22H14. Acta Crystallographica Section C Crystal Structure Communications, 41 (6) 907-909 doi:10.1107/s0108270185005959
Wise, Stephen A., Campbell, Robert M., West, W.Raymond, Lee, Milton L., Bartle, Keith D. (1986) Characterization of polycyclic aromatic hydrocarbon minerals curtisite, idrialite and pendletonite using high-performance liquid chromatography, gas chromatography, mass spectrometry and nuclear magnetic resonance spectroscopy. Chemical Geology, 54 (3) 339-357 doi:10.1016/0009-2541(86)90148-8
Jehlička, J., Edwards, H. G. M., Villar, S. E. Jorge, Frank, O. (2006) Raman spectroscopic study of the complex aromatic mineral idrialite. Journal of Raman Spectroscopy, 37 (7). 771-776 doi:10.1002/jrs.1497
Localities for Idrialite
Showing 18 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Czech Republic | |
| Szakáll (2002) |
France | |
| |
Slovakia | |
| Koděra et al. (1986) |
| Ďuďa |
Slovenia (TL) | |
| Strunz et al. (1965) +2 other references |
Ukraine | |
| Pekov (1998) |
USA | |
| Yates (1946) +3 other references |
| Yates (1946) +3 other references | |
| Pemberton (1983) +1 other reference |
| Van Nostrand Reinholt Press: 111 (map 3-7) +3 other references | |
| www.mineralsocal.org (1999) | |
| Averitt (1945) +1 other reference |
| www.mineralsocal.org (1999) |
| ... |
| Bradley (1937) +1 other reference |
| Wright et al. (1930) +7 other references |
| Eugene Cisneros |
| Murdoch (1966) +2 other references |
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Merník mercury deposit, Komárany, Vranov nad Topľou District, Prešov Region, Slovakia