A rare mineral or variant term in mineralogy, though it is not widely documented in standard mineral classifications.
A mineralogical term of uncertain etymology; possibly derived from '-ine' (a common mineral suffix) combined with 'ar-' prefix, though usage is extremely limited.
Arline illustrates how mineralogy had hundreds of proposed mineral names that simply didn't stick—most minerals today are named by the International Mineralogical Association, making these old terms historical curiosities.
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