In addition to magmatic differentiation, the emanation process plays a vital role in pegmatite formation. Stone:Graphic Granite / Graphic Pegmatite. Origin: Ukraine, Zhytomyr Oblast, Khoroshivskyi (Volodarsko-Volynskyi) district, Volodarsk-Volynsk pegmatite field (Volodarsk-Volynskyi, Volyn deposit).
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