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English Dictionary - With Multi-Lingual Search Your Query of 'leucite' Resulted in 1 Matches Displaying Items 1 through 1 Definitions leucite noun  (mineralogy) A mineral of silica-poor igneous, plutonic and volcanic rocks. Chemically, Leucite is a potassium feldspar with insufficient silica to satisfy the chemical bonds. Because of the unfilled bonds, Leucite weathers rapidly and can only be seen as inclusions in freshly broken rock. Chemical composition: Potassium aluminum subsilicate, <math>KAlSi?_2O_6</math> Physical properties: Moh's Hardness: 5.5-6.0 Specific gravity: 2.4-2.5 Color: Gray to white to colorless Luster: Glassy, but rapidly weathers to a dull surface Fracture: Conchoidal Cleavage: Imperfect dodecahedral Habit: Tetragonal-trapezohedral (pseudo-isometric)        Find:   Words Starting With:   Words Ending With:   Words Containing:   Words That Match:    Translate Into:    Dutch   French   German    Italian   Spanish Enter your search terms Submit search form   Web www.allwords.com Browse the Dictionary A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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