| 释义 |
retzian Min.|ˈrɛtsɪən|
[f. the name of Anders Jahan Retzius (1742–1821), Swedish naturalist.]
A basic arsenate of manganese, calcium and rare earth elements, known as dark brown orthorhombic crystals from Sweden.
1895H. Sjögren in Bull. Geol. Inst. Univ. Upsala II. 54 (heading) Retzian, a new arseniate from the Mossgrufva, Nordmark. Ibid. 59 The crystals of retzian are prismatic. 1921Bull. U.S. Geol. Survey No. 679. 126 Retzian..strongly pleochroic. 1967Amer. Mineralogist LII. 1610 The crystal structure of retzian is an interesting sheet structure. |