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Igneous texture

Granophyric texture

Angular intergrowths of quartz and alkali feldspar. Similar to micrographic texture and to the coarser graphic intergrowths of pegmatite.

What it means

Simultaneous crystallization of quartz and feldspar at the eutectic, or strong undercooling of the magma.

Where to look for it

Granophyre; graphic intergrowths in pegmatite

Photo examples

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Sources

Wikipedia: Granophyre