Kladnoite Mineral Data

General Kladnoite Information

Chemical Formula:

C6H4(CO)2NH

Composition:

Molecular Weight = 147.13 gm

Hydrogen 2.74 % H

Hydrogen 0.69 % H

Carbon 65.31 % C

Nitrogen 9.52 % N

Oxygen 21.75 % O

______

100.00 %

Empirical Formula:

C₈H₅NO₂

Environment:

Formed as a result of fires in coal heaps.

IMA Status:

Valid Species (Pre-IMA) 1942

Locality:

From the Scholler coal mine, Libus�in, Kladno coal basin, about 30 km west-northwest of Prague, and at Radvanice, Czech Republic. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Name Pronunciation:

Kladnoite + Pronunciation

Synonym:

Phthalimide

Kladnoite Image

Images:

Kladnoite

Comments: Glassy prismatic colorless kladnoite crystals on matrix.
Location: Kladno, Stredocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kladnoite Crystallography

Axial Ratios:

a:b:c =2.9825:1:0.4946

Cell Dimensions:

a = 22.7, b = 7.611, c = 3.765, Z = 4; beta = 91.32° V = 650.31 Den(Calc)= 1.50

Crystal System:

Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 2₁/n

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 5.7(1), 6.35(0.95), 3.28(0.3),

Physical Properties of Kladnoite

Cleavage:

{???} Good

Color:

Colorless, White.

Density:

1.47

Streak:

white

Optical Properties of Kladnoite

Optical Data:

Biaxial (+), a=1.501, b=1.519, g=1.755, bire=0.2540

Calculated Properties of Kladnoite

Electron Density:

Bulk Density (Electron Density)=1.55 gm/cc
note: Specific Gravity of Kladnoite =1.50 gm/cc.

Fermion Index:

Fermion Index = 0.1
Boson Index = 0.9

Photoelectric:

PE_Kladnoite= 0.22 barns/electron
U=PE_Kladnoite x rElectron Density= 0.34 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kladnoite is Not Radioactive

Kladnoite Classification

Dana Class:

50.04.08.01 (50)Salts of Organic Acids

(50.04)with miscellaneous formulae

(50.04.08)Dana Group

50.04.08.01 Kladnoite C6H4(CO)2NH P 2₁/n 2/m

Strunz Class:

10.CA.25 10 - ORGANIC COMPOUNDS

10.C - Miscellaneous Organic Minerals

10.CA -Miscellaneous Organic Materials

10.CA.25 Kladnoite C6H4(CO)2NH P 2₁/n 2/m

Other Kladnoite Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Kladnoite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Kladnoite Specimen Label here :

Kladnoite

C6H4(CO)2NH
Dana No: 50.04.08.01 Strunz No: 10.CA.25
Locality:

Notes:

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