| 释义 |
bo·ra·cite
\ˈbōrəˌsīt, ˈbȯr-\ noun
(-s)
Etymology: German borazit, from Medieval Latin borac-, borax + German -it -ite
: a mineral Mg3B7O13Cl consisting of a borate and chloride of magnesium that is strongly pyroelectric and occurs in hard glassy crystals and in softer white masses (hardness 7, specific gravity 2.9) |