ˈcross-stone Min.
[cross- 3 b.]
A name given to chiastolite; also to the minerals staurolite and harmotome, from the cruciform arrangement of the crystals.
| 1770 tr. Cronstedt's Min. 83. 1771 Hill Fossils Arranged 152. 1796 Kirwan Min. I. 282. 1814 Allan Min. Nomen. 1851 [see harmotome]. 1868 Amer. Naturalist I. 264 A boulder..containing large crystals of staurotide, or cross-stone. |