witherite
nounA white, yellow, or gray mineral, chiefly BaCO3.
nounNative barium carbonate.
nounBarium carbonate occurring in white or gray six-sided twin crystals, and also in columnar or granular masses.
nounA yellow-grey
A white, yellow, or gray mineral, chiefly BaCO3.
nounNative barium carbonate.
nounBarium carbonate occurring in white or gray six-sided twin crystals, and also in columnar or granular masses.
nounA yellow-grey
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