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单词 θ6965
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the world > the earth > minerals > types of mineral > silicates > phyllosilicate > [noun] > smectites > nontronite (6)
pinguite1831

An oil-green mineral with a waxy consistency that is probably a variety of nontronite (chloropal).

nontronite1832

A pale yellow or greenish crystalline clay mineral, Na0.33Fe2 3+(Si,Al)4O10(OH)2, belonging to the smectite or montmorillonite group and sometimes…

fettbol1835

A variety of chloropal, n.

volkonskoite1844

A green or bluish-green amorphous clay mineral of the montmorillonite group in which there is some substitution by chromium, now regarded as a…

gramenite1858

A grass-green variety of chloropal.

morencite1904

A variety of nontronite, (Fe,Mg)2Si4O10(OH)2, with part of the ferric iron replaced by magnesium, occurring as brownish yellow seams in lime shale.

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更新时间:2024/12/22 23:06:38