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Pronunciation varies by accent · noun
(mineralogy) An orthorhombic-dipyramidal mineral containing barium, calcium, hydrogen, oxygen, and silicon..
It is typically a vein-forming mineral associated with macdonaldite, opal, and witherite.
Use macdonaldite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Macdonaldite means (mineralogy) An orthorhombic-dipyramidal mineral containing barium, calcium, hydrogen, oxygen, and silicon..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
It is typically a vein-forming mineral associated with macdonaldite, opal, and witherite.
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