| 释义 |
pyrgom Min.|ˈpɜːgɒm|
[ad. (by Breithaupt 1830) Gr. πύργωµα, that which is furnished with towers, a fenced city, f. πύργος tower; ‘alluding to the grouping of its crystals’, Chester.]
An aluminous variety of pyroxene allied to sahlite: = fassaite b.
1836T. Thomson Min., Geol., etc. I. 190. |