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English Dictionary - With Multi-Lingual Search Definitions labradorite noun (plural: labradorites) (mineralogy) A plagioclase feldspar, the fourth member of the Albite-Anorthite solid solution series. Often very coarsely crystalline, it is used as a decorative stone for carvings and building faí§ades. Crystal surfaces often show a bluish reflection called "Schiller", which resembles the reflections from a butterfly's wing. Chemical composition: Calcium sodium aluminum silicate, <math>Ca_xNa_xAlSi_3O_8</math> Physical properties: Moh's Hardness: 6.0 Specific gravity: 2.71 Color: Usually bluish-gray to dark gray Luster: glassy Fracture: conchoidal Cleavage: two good at about 94º to each other Habit: Triclinic - pinacoidal. Crystals are common and usually striated. Etymology: Named for the type locality in Labrador. Supplemental Details:Sponsor an extended definition for labradorite for as little as $10 per month. Click here to contact us.        Find:   Words Starting With:   Words Ending With:   Words Containing:   Words That Match:    Translate Into:    Dutch   French   German    Italian   Spanish     Show 51015202550100250500 results per page. 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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