It is then called a pseudomorph, which is a term applied to any mineral which, instead of having the form it should possess, shows the form of something which has altered its structure completely, and then disappeared.    From Wordnik.com.  [The Chemistry, Properties and Tests of Precious Stones] Reference

So would you consider mineral replacement like a malachite pseudomorph after calcite to fit the preference to photographs that depict “invasive species.”.    From Wordnik.com.  [Photography contest, II - The Panda's Thumb] Reference

Hawksnest, over beyond, I noted, had its pseudomorph too; a newspaper proprietor of the type that hustles along with stolen ideas from one loud sink-or-swim enterprise to another, had bought the place outright; Redgrave was in the hands of brewers.    From Wordnik.com.  [Tono Bungay] Reference

Powellite pseudomorph of Molybdenite.    From Wordnik.com.  [WN.com - Articles related to London Mining to move into profit with mine launch] Reference

The turquoise is a pseudomorph (see Chapter IV.    From Wordnik.com.  [The Chemistry, Properties and Tests of Precious Stones] Reference