pargasite

Founding-era definition · Webster's 1828 American Dictionary

P'ARGASITE, noun [from the isle Pargas, in Finland.] A mineral of a grayish or bluish green, in rounded grains, with a dull, dun surface, rarely bright; or in crystals in carbonate of lime, in little plates mixed with lamellar mica; a variety of actinolite.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI

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