Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralSearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Kladnoite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
C6H4(CO)2NH
Colour:
yellow, white, colourless
Crystal System:
Monoclinic
Name:
Named after the type locality, Kladno Mine, Libušin, Kladno, Central Bohemia Region, Bohemia, Czech Republic.
Chemically identical to phthalimide (phthalic acid imide).


Hide all sections | Show all sections

Classification of KladnoiteHide

Approved, 'Grandfathered' (first described prior to 1959)
10.CA.25

10 : ORGANIC COMPOUNDS
C : Miscellaneous Organic Minerals
A : Miscellaneous Organic Minerals
50.4.8.1

50 : ORGANIC COMPOUNDS
4 : Miscellaneous
32.10

32 :

Physical Properties of KladnoiteHide

Colour:
yellow, white, colourless
Streak:
white
Cleavage:
Distinct/Good

Optical Data of KladnoiteHide

Type:
Biaxial (+)
RI values:
nα = 1.501 nβ = 1.519 nγ = 1.755
Max Birefringence:
δ = 0.254
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
relatively strong

Chemical Properties of KladnoiteHide

Formula:
C6H4(CO)2NH

Crystallography of KladnoiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 22.7 Å, b = 7.61 Å, c = 3.76 Å
β = 91.32°
Ratio:
a:b:c = 2.983 : 1 : 0.494
Unit Cell V:
649.36 ų (Calculated from Unit Cell)
Z:
4
Comment:
Space group P21/n.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
11.4 (18)
6.35 (95)
5.70 (100)
3.74 (14)
3.38 (14)
3.28 (30)
3.13 (14)

Type Occurrence of KladnoiteHide

Synonyms of KladnoiteHide

Other Language Names for KladnoiteHide

German:Kladnoit
Spanish:Kladnoita

Related Minerals - Nickel-Strunz GroupingHide

10.CA.Tholins(C,H,N)
10.CA.05RefikiteC20H32O2Orth. 2 2 2 : P21 21 2
10.CA.10FlagstaffiteC10H22O3Orth.
10.CA.15HoeliteC14H8O2Orth.
10.CA.20AbelsoniteNi(C31H32N4)Tric. 1 : P1
10.CA.30GuanineC5H5N5OMon.
10.CA.30Tinnunculite (of Chesnokov & Shcherbakova)C10H12N8O8Orth.
10.CA.35UreaCO(NH2)2Tet. 4 2m : P4 21m
10.CA.40UriciteC5H4N4O3Mon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

32.1EvenkiteC21H44Orth. mmm (2/m 2/m 2/m) : Pbcm
32.2FichteliteC19H34Mon.
32.3SimonelliteC19H24Orth. mmm (2/m 2/m 2/m) : Pnna
32.4KratochvíliteC13H10Orth.
32.5IdrialiteC22H14Orth.
32.6CarpathiteC24H12Mon. 2/m : P21/b
32.7RefikiteC20H32O2Orth. 2 2 2 : P21 21 2
32.8FlagstaffiteC10H22O3Orth.
32.9HoeliteC14H8O2Orth.
32.11AcetamideCH3CONH2Trig. 3m : R3c
32.12GuanineC5H5N5OMon.
32.13UreaCO(NH2)2Tet. 4 2m : P4 21m
32.14UriciteC5H4N4O3Mon.
32.15AbelsoniteNi(C31H32N4)Tric. 1 : P1

Fluorescence of KladnoiteHide

Other InformationHide

Thermal Behaviour:
phthalimide with a purity of at least 99% (w/w) melts at 234 - 236 °C
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for KladnoiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Rost, R. (1942) Supplements to the mineralogy of the burning (coal) heaps in the region of Kladno. Rozpravy Ceske Akad.: 52(25): 4 pp.
American Mineralogist (1946): 31: 605. (abs.)
Mazat, E. (1972) Die Kristallstruktur des Phtalimids (Kladnoite). Acta Crystallographica: B28: 415-418 (in German with English abs.).
Jehlička, J. , Žáček, V., Edwards, H.G.M., Shcherbakova, E., Moroz, T. (2007) Raman spectra of organic compounds kladnoite (C6H4(CO2)NH) and hoelite (C14H8O2) - rare sublimation products crystallising on self-ignited coal heaps. Spectrochimica Acta Part A: 68: 1053-1057.

Internet Links for KladnoiteHide

Localities for KladnoiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
Zacek, V., Oplustil, S., Mayova, A. & Meyer, F. R. (1995): Die Mineralien von Kladno in Mittelböhmen, Tschechische Republik. Mineralien-Welt 6 (1), 13-30 (in German).
        • Libušin
Am Min 31 (1946), 605
    • Hradec Králové Region
      • Trutnov (Trautenau)
        • Radvanice
Žáček, V., Ondruš, P.: Mineralogy of recently formed sublimates from Kateřina colliery in Radvanice, Eastern Bohemia, Czech Republic. Bulletin of the Czech geological survey, 1998, vol. 73, no. 2, s. 289-302.
Poland
 
  • Upper Silesia (Śląskie)
    • Katowice
      • Wełnowiec
Fabiańska, M., Ciesielczuk, J., Misz-Kennan, M., Kruszewski, Ł. (2015): Rare organic minerals on self-heating coal waste dumps - the Wełnowiec case. Mineralogia Special Papers: 44: 116
Russia
 
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
Cesnokov, B., Kotrly, M. and Nisanbajev, T. (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German).
          • Kopeisk
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2017, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: October 18, 2017 17:54:24 Page generated: September 25, 2017 16:18:54
Go to top of page