| 释义 |
pin·no·ite
\ˈpinəˌwīt\ noun
(-s)
Etymology: German pinnoit, from Pinno, 19th century German mining official + German -it -ite
: a hydrous magnesium borate Mg(BO2)2.3H2O usually occurring in yellow nodular masses with a radiating fibrous structure (hardness 3-4, specific gravity 2.3) |