Welcome to the 1520 Perfect Dictionary
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| Biotite | |
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| BIOTITE Definition: A form of mica found as black crystals in igneous rocks, especially in granite. It is a silicate of iron, magnesium, potassium and aluminum. ___________________________________ See perfect form (1). See perfect mica. _____ See perfect feature (1). _____ See perfect rock (2). See perfect type (1). | |
1520 Products |
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1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way. |
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 1520 Sex Game |
 1520 Puzzles |
 1520 Marriage Game |