释义 |
pirs·son·ite \ˈpirsənˌīt, ˈpər-\ noun (-s) Etymology: Louis V. Pirsson died 1919 American mineralogist + -ite : a mineral Na2Ca(CO3)2.2H2O consisting of a hydrous calcium sodium carbonate and occurring in white or colorless orthorhombic crystals (hardness 3, specific gravity 2.35) |