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Idrialite

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Big Photo

Skaggs Springs Mine, Skaggs Springs, Warm Springs Dam, Coast Range, Sonoma Co., California, USA
© Caltech

Show Idrialite Photos (13)



Formula:
C
 
22
H
 
14
System:OrthorhombicColour:Greenish yellow
Hardness:1½


Possibly a complex mixture of polycyclic aromatic hydrocarbons.

"Identical to dimethylbenzphenanthrene" (Handbook of Mineralogy).

Classification of Idrialite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:9/B.02-70
Nickel-Strunz 10th (pending) edition ID:10.BA.20

10 : ORGANIC COMPOUNDS
B : Hydrocarbons
A : Hydrocarbons
Dana 7th edition ID:50.3.8.1
Dana 8th edition ID:50.3.10.

50 : ORGANIC COMPOUNDS
3 : Hydrocarbons
Hey's CIM Ref.:32.5

32 :
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Type Occurrence of Idrialite

Type Locality:Idria Mine (Idrija Mine), Idrija (Idria), Slovenia
Year of Discovery:1832

Physical Properties of Idrialite

Lustre:Adamantine, Vitreous
Colour:Greenish yellow
Hardness (Mohs):1½

Crystallography of Idrialite

Crystal System:Orthorhombic
Cell Parameters:a = 8.07Å, b = 6.42Å, c = 27.75Å
Ratio:a:b:c = 1.257 : 1 : 4.322
Unit Cell Volume:V 1,437.71 ų (Calculated from Unit Cell)
Comment:Space group not determined.
X-Ray Powder Diffraction:
d-spacingIntensity
7.08 (20)
4.94 (100)
4.43 (20)
4.04 (60)
3.40 (80)
2.48 (30)
2.06 (20)

Chemical Properties of Idrialite

Formula:
C
 
22
H
 
14
Essential elements:C, H
All elements listed in formula:C, H

Relationship of Idrialite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
10.BA.05Fichtelite
C
 
19
H
 
34
10.BA.10Hartite
C
 
20
H
 
34
10.BA.15Dinite
C
 
20
H
 
36
10.BA.25Kratochvílite
C
 
13
H
 
10
10.BA.30Carpathite
C
 
24
H
 
12
10.BA.30Karpatite
10.BA.35Phylloretine
C
 
18
H
 
18
10.BA.40Ravatite
C
 
14
H
 
10
10.BA.45Simonellite
C
 
19
H
 
24
10.BA.50Evenkite
C
 
21
H
 
44
Related Minerals - Hey's Index Grouping:

- +
32.1Evenkite
C
 
21
H
 
44
32.2 Fitchtelite
32.3Simonellite
C
 
19
H
 
24
32.4Kratochvílite
C
 
13
H
 
10
32.6Carpathite
C
 
24
H
 
12
32.7Refikite
C
 
20
H
 
32
O
 
2
32.8Flagstaffite
C
 
10
H
 
22
O
 
3
32.9Hoelite
C
 
14
H
 
8
O
 
2
32.10Kladnoite
C
 
6
H
 
4
(CO)
 
2
NH
32.11Acetamide
CH
 
3
CONH
 
2
32.12Guanine
C
 
5
H
 
5
N
 
5
O
32.13Urea
CO(NH
 
2
)
 
2
32.14Uricite
C
 
5
H
 
4
N
 
4
O
 
3
32.15Abelsonite
Ni(C
 
31
H
 
32
N
 
4
)

Other Names for Idrialite

Synonyms:
Curtisite
Other Languages:
German:Idrialin
Idrialit
Spanish:Idrialita

Other Information

Fluorescence in UV light:Green
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Idrialite

Reference List:

- +
Wright, F.E. & E.T. Allen (1925), Curtisite, a new organic mineral from Skaggs Springs, Sonoma County, California (abstract): American Mineralogist: 11: 67 (1925)…American Mineralogist: 15: 169-173 (1930).

Geissman, T.A., K.Y. Sun & J. Murdoch (1967), Organic minerals. Picine and chrysene as constituents of the mineral Curtisite (idrialite): Experentia: 23: 793-794.

American Mineralogist: 55 (1970): 1073.

American Mineralogist (1976): 61: 1055.

Takuya Echigo, Mitsuyoshi Kimata, Teruyuki Maruoka, Masahiro Shimizu, and Norimasa Nishida (2009): The crystal structure, origin, and formation of idrialite (C22H14): Inferences from the microbeam and bulk analyses. American Mineralogist 94, 1325-1332.

Internet Links for Idrialite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Idrialite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
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    • Localities for Idrialite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    France
     
    • Provence-Alpes-Côte d'Azur
      • Hautes-Alpes
    Slovakia
     
    • Prešov Region
      • Prešov Co.
        • Červenica
          • Dubník
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
      • Vranov nad Topľou Co.
    		Ďuďa,R., Kaličiaková,E., 1987: Mineralogicko – paragenetické pomery Hg ložiska Merník. Min.Slovaca, 19,5,423 – 442
    Slovenia
     
    • Idrija (Idria)
    		[NJMM (1965), 19; MinRec 22:207]
    Ukraine
     
    • Zakarpats'ka Oblast' (Transcarpathian Oblasť; Zakarpattia)
      • Svalyavskyi Raion
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    USA
     
    • California
      • Lake Co.
    		www.mineralsocal.org
          • East Mayacmas District
            • Castle Rock Springs
    		Yates, Robert G. & Lowell S. Hilpert (1946), Quicksilver deposits of eastern Mayacmas district, Lake and Napa Counties, California: California Journal of Mines and Geology, California Division of Mines (Report 42): 42: 247; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 165; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 342.
    Yates, Robert G. & Lowell S. Hilpert (1946), Quicksilver deposits of eastern Mayacmas district, Lake and Napa Counties, California: California Journal of Mines and Geology, California Division of Mines (Report 42): 42: 231-286; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 165; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 342.
            • Middletown
              • Great Western-Mirabel group
    		Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 342.
    Nichols, J.B. (1948) Minerals of Lake County, California. Mineralogist: 16: 176; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 165; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 111 (map 3-7), 342.
      • Napa Co.
        • Knoxville District
          • Knoxville
    		Averitt, Paul (1945), Quicksilver deposits of the Knoxville district, Napa, Yolo, and Lake Counties, California: California Journal of Mines & Geology, California Division Mines (Report 42): 42: 78; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 165.
      • San Benito Co.
        • Diablo Range
          • New Idria District
            • Idria (New Idria)
    		www.mineralsocal.org
      • San Francisco Co.
    		www.missourigeologists.org/Min-Loc1-2005.pdf.
          • Duboce Street near Market Street
    		Bradley, W.W. (1937), Thirty-third report of the State Mineralogist: California Division Mines Report 33: 71; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 165.
      • Sonoma Co.
        • Coast Range
          • Warm Springs Dam
            • Skaggs Springs
    		Bradley, W.W. (1937), Thirty-third report of the State Mineralogist: California Division Mines Report 33: 345; Everhart, Donald Lough (1950a), Skaggs Springs quicksilver mine, Sonoma County, California: California Journal of Mines and Geology: 46: 390; Strunz, Hugo and Contag, B. (1965), Evenkit, Flagstaffit, Idrialin und Reficit. Neues Jahrbuch für Mineralogie, Monatshefte: 1: 19-25; Geissman, T.A., Sun, K.Y., and Murdoch, J. (1967) Organic minerals. Picine and chrysene as constituents of the mineral curtisite (idrialite). Experentia: 23: 793-794; White, D.E. (1967) Mercury and base-metal deposits with associated thermal and mineral waters. In: H.L. Barnes (Editor), Geochemistry of hydrothermal ore deposits. Holt Reinhart and Winston, New York: 590; American Mineralogist (2009): 94: 1325–1332.; Wright, F.E. & E.T. Allen (1925), Curtisite, a new organic mineral from Skaggs Springs, Sonoma County, California (abstract): American Mineralogist: 11: 169; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 150, 165, 263, 283, 319.
        • Mayacmas Mts (Mayacamas Mts)
          • West Mayacmas District
            • Cloverdale
              • North Fork Little Sulphur Creek
    		Eugene Cisneros
      • Yolo Co.
        • Coast Ranges
          • Knoxville District
            • Knoxville area
    		Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 165; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 343.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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