Kladnoite

Formula:  C6H4(CO)2NH

Origin of name:  After locality; Kladno, Czech Republic

 

Crystal system:  Monoclinic

Crystal class:  2/m

Twinning: 

Unit cell: a = 22.7, b = 7.611, c = 3.765, β = 91.32°

 

Colour: Colourless, white

Diaphaneity: Semitransparent

Luster: 

Habit: Elongated crystals

Hardness: n.d.

Specific gravity:  1.47

Cleavage: Good

Tenacity: 

Streak: White

 

Synonyms/varieties: Phtalimide

 

Comments: 

 

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