leucochalcite Min.
(ˌl(j)uːkəʊˈkælsaɪt)
[Named by Sandberger, 1881, f. leuco- + Gr. χαλκ-ός brass: see -ite.]
Arsenate of copper, often found in silky white needles.
| 1883 Dana Min. App. iii. 69. 1892 Ibid. 837 Leucochalcite..occurs as a delicate coating with malachite. |