खनिज नमक मतलब [सं-पु.] - प्राकृतिक रूप से बड़े-बड़े खंडों में बना नमक; सेंधा नमक; काला नमक; (रॉक साल्ट)। Also see Khanij Namak in English.
Here is meaning of Khanij Namak in hindi. Get definition and hindi meaning of Khanij Namak. What is Hindi definition and meaning of Khanij Namak ? (hindi matlab - arth kya hai?).