| 释义 |
pet·al·ite
\-ˌīt\ noun
(-s)
Etymology: German petalit, from Greek petalon leaf + German -it -ite
: a usually white mineral LiAl(Si2O5)2 consisting of a lithium aluminum silicate occurring in foliated cleavable masses or in monoclinic crystals (hardness 6-6.5, specific gravity 2.39-2.46) |