glauconite

名词 glauconite:

1. a green mineral consisting of hydrated silicate of potassium or iron or magnesium or aluminum; found in greensand

glau.co.nite

n.（名词）
A greenish clay mineral, a hydrous silicate of potassium, iron, aluminum, or magnesium, (K,Na)(Al,Fe,Mg)2(Al,Si) 4O 0(OH) 2, found in greensand and used as a fertilizer and water softener.
海绿石：一绿色粘土质矿物，钾、铁、铝或镁的水合硅酸盐，(K,Na)(Al,Fe,Mg)2(Al,Si) 4O 0(OH) 2, 见于绿砂中，用作肥料和水软化剂

来源：
Greek glaukon [neuter of] glaukos [gray]
希腊语 glaukon [] glaukos的中性 [灰白的]
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【引伸】
glau.conit.ic