
• (n.) The state of having, or the property of taking, a crystalline form unlike that which belongs to the species.
Found on
http://thinkexist.com/dictionary/meaning/pseudomorphism/

The act of one mineral chemically replacing another.
Found on
http://www.encyclo.co.uk/local/22291
Pseu`do·mor'phism noun (Crystallog.) The state of having, or the property of taking, a crystalline form unlike that which belongs to the species.
Found on
http://www.encyclo.co.uk/webster/P/186

process(es) whereby one mineral takes on the form of another mineral. The mineral having such form is called a pseudomorph and is said to be after the precursor mineral -- e.g., limonite pseudomorph after pyrite. Processes generally thought to be involved in such replacement are alteration, incrustation, or paramorphism (which amounts to the change...
Found on
https://www.encyclo.co.uk/local/20132

Mineral formations with crystal shpaes which are not characteristic of the mineral. They develop because under certain conditions, crystals have dissolved away and the space left has been filled by another substance, during which process the crystal form has remained partially or wholly preserved.
Found on
https://www.encyclo.co.uk/local/20501
No exact match found.