Pegmatite rocks

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What is pegmatite? A blog about geology. Crystal Growth, School Of Rock, Almandine Garnet, Rock Types, Earth Elements, Large Crystal, Carbon Dioxide, Rock Collection, Minerals And Gemstones

What is pegmatite? Pegmatite are intrusive rocks with extreme coarse grained texture that are developed at the final stages of magma crystallization. As huge amount of time has been granted to pegmatite rocks so it has extremely large crystals and sometimes rare minerals are associated with it which are not found in other rocks. Pegmatite contains crystals that are atleast one centimetre long in diameter. Pegmatite have composition similar to that of granite with abundant quartz, feldspar…

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