A rare mineral compound, likely named after a person or place, with complex crystal structure and specific chemical composition.
A mineral name following the -ite suffix convention in geology. The 'glad-' or 'Gladk-' portion likely derives from a proper name (possibly German), as is common in mineralogy where minerals are named after their discoverers or the location where they're found.
This is such a niche mineral name that most people have never heard of it—but somewhere, a geologist got excited enough about discovering it that they named it and published it in mineralogical journals! These rare mineral names tell the hidden stories of scientific exploration.
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