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Allophane

AL'LOPHANE, n. [Gr. other and to appear.]
A mineral of a blue, and sometimes of a green or brown color, which occurs massive, or in imitative shapes. It gelatinizes in acids.
Allophane is a variety of clay, occurring in amorphous, botryoidal or reniform masses.
allophane appears in definitions for these words:
Allophane

 

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