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Biology 17 Online
OpenStudy (dr.gray):

Another name for the texture made of extra-large crystals is _____. A. aphanitic B. phaneritic C. pegmatitic D. porphyritic

OpenStudy (anonymous):

I will help you, but give me what you think the answer should be

OpenStudy (beautifulmystery.):

porphyritic is the answer

OpenStudy (beautifulmystery.):

Porphyritic Rock. Porphyritic rock is igneous rock which is characterized by large crystals surrounded by a background of material with very small crystals. The scenario for the production of such rocks involves the formation of certain types of mineral crystals over a long period deep in the earth.

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