Kladnoite Mineral Data

Kladnoite Mineral Data +

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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

IMA Status:

Valid Species (Pre-IMA) 1942

Locality:

Link to MinDat.org Location Data.

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 - PrismaticH-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:

r_electron=1.55 gm/cc
note: r_Kladnoite=1.50 gm/cc.

Fermion Index

Fermion Index = 0.10213
Boson Index = 0.89787

Photoelectric:

PE_Kladnoite= 0.22 barns/electron
U=PE_Kladnoite x r_electron= 0.34 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Kladnoite is Not Radioactive

Kladnoite Classification

Dana Class:

50.4.8.1 (50)Salts of Organic Acids

(50.4)with miscellaneous formulae

(50.4.8)Dana Group

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

Strunz Class:

IX/D.01-30 IX - Organic compunds

IX/D - Compounds with N, C and water

IX/D.01 - Urea - Guanine series

IX/D.01-10 Urea CO(NH2)2 P 42₁m 4 2m

IX/D.01-20 Acetamide CO(CH3)(NH2) R 3c 3m

IX/D.01-25 Tinnunculite* C10H12N6O8(?) Unk Ortho

IX/D.01-30 Kladnoite C6H4(CO)2NH P 2₁/n 2/m

IX/D.01-40 Uricite C5H4N4O3 P 2₁/a 2/m

IX/D.01-50 Guanine C5H3(NH2)N4O P 2₁/n 2/m

Other Kladnoite Information

References:

NAME( Dana8) 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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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

Kladnoite

C6H4(CO)2NH
Dana No: 50.4.8.1 Strunz No: IX/D.01-30
Locality:

Notes: