Meaning of chloropal | Babel Free

Definitions

A massive mineral, greenish in colour and opal-like in appearance, essentially a hydrous silicate of iron.

Examples

“A careful consideration of the various analyses of minerals of the chloropal group given by Dana, leads me, therefore, to propose that the following species and varieties should be regarded as a series of types to which all future discoveries in the group may be referred.”

“Several delessites and chloropals occurring in basalts have a composition very close to that of the glass.”

“Nontronite, a variety of chloropal occurs as a light yellow powder in druses of the North Conway granite (99, p. 312).”

CEFR level