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单词 haidingerite
释义

haidingerite /'haidiŋə,rait/

英汉-汉英词典
n. 砷钙石
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haidingerite n. [矿物] 砷钙石
英语百科

Haidingerite

Haidingerite is a calcium arsenate mineral with formula Ca(AsO3OH)·H2O. It crystallizes in the orthorhombic crystal system as short prismatic to equant crystals. It typically occurs as scaly, botryoidal or fibrous coatings. It is soft, Mohs hardness of 2 to 2.5, and has a specific gravity of 2.95. It has refractive indices of nα = 1.590, nβ = 1.602 and nγ = 1.638.

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