What is another term for a texture where some crystals are visible to the unaided eye while others are not?
a. aphanitic
b. phaneritic
c. pegmatitic
d. porphyritic

D. porphyritic The word porphyritic is a descriptive adjective that describes certain textures of rock under igneous category. This type of texture can either be aphanetic (with fine crystals that cannot be seen by an unaided eye) and phaneritic with large enough crystals visible.

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Linnaeus divided nature into three kingdoms: animals, vegetable (or plant),  and minerals. The animal and plant kingdoms were further divided into  smaller, more inclusive categories based on physical characteristics.  As time passed, and knowledge increased, other scientists added to  Linnaeus’ original system.

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