| 释义 |
pyritical, a.|paɪə-, pɪˈrɪtɪkəl|
[f. as prec. + -al1: see -ical.]
= prec.
1756P. Browne Jamaica 58 A green copper ore in a pyritical matrix. 1789J. Williams Min. Kingd. I. 419 The pyritical or marcasitical yellow copper ores. 1845J. Phillips Geol. in Encycl. Metrop. VI. 673/1 Striped loam and plastic clay, containing a few pyritical casts of shells. |