Pegmatite rocks

Pegmatite How to identify it? Pegmatite is mainly composed of white or gray quartz, and pink or white feldspar.Crystal size is the most striking feature of pegmatites, with crystals usually over 2.5 cm in length. Pegmatite sometimes has a graphic texture - intimate intergrowth of alkali feldspar and quartz looks like ancient cuneiform writing when viewed in certain cross sections.

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Super rare piece of pink feldspar, pegmatite rock with muscovite diorite and Mica truly one of a kind

Pictures, Definition, Composition, Colors, Structures, Formation, Geology, Occurrence, and Uses of Pegmatite.

Gorgeous jet black schorl tourmaline and smokey quartz crystals adorn this chunk of Pegmatite matrix from Afghanistan

Feldspars, as showcased here in this gallery, are a group of closely related minerals that together make up the majority of the Earth's crust.

Pegmatite stone

Pictures, Definition, Composition, Colors, Structures, Formation, Geology, Occurrence, and Uses of Pegmatite.