Encyclopedia > Spodumene

Article Content

Spodumene

Spodumene is a pyroxene mineral consisting of lithium aluminum silicate and is a source of lithium. It is a white to yellowish, purplish, or emerald-green color and occurs in prismatic crystals[?], often of great size.

Featured Article

Urethra

... is the skeletal muscle that allows voluntary control over urination. In the human female, the urethra is about 1-1.5 inches (25-38 mm) long and opens in the vulva ...