| 释义 |
philadelphite Min.|fɪləˈdɛlfaɪt|
[Named 1880, from Philadelphia in Pennsylvania, near which it is found; see -ite1 2 b.]
A kind of vermiculite akin to jefferisite.
1880H. C. Lewis in Proc. Acad. Nat. Sc. Philad. 313. 1896 Chester Dict. Min., Philadelphite, a brownish-red, micaceous mineral, closely related to jefferisite. |