pseudomorphism

pseudomorph

[soo-duh-mawrf]
noun
1.
an irregular or unclassifiable form.
2.
a mineral having the outward appearance of another mineral that it has replaced by chemical action.

Origin:
1840–50; pseudo- + -morph

pseudomorphic, pseudomorphous, adjective
pseudomorphism, noun
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World English Dictionary
pseudomorph (ˈsjuːdəʊˌmɔːf)
 
n
a mineral that has an uncharacteristic crystalline form as a result of assuming the shape of another mineral that it has replaced
 
pseudo'morphic
 
adj
 
pseudo'morphous
 
adj
 
pseudo'morphism
 
n

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