SYLVINS
- SYLVIN, sylvite (an ore of potassium) [n]
- common mineral, potassium chloride, KCl, colorless to milky-white or red, occurring in crystals, usually cubes, and masses with cubic cleavage, bitter in taste: the most important source of potassium
- SYLVIN, an ore of potassium, also SYLVITE, SYLVINE [n]
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