pseudomorph

(redirected from pseudomorphed)
Also found in: Dictionary, Medical.

pseudomorph

[′süd·ə‚mȯrf]
(mineralogy)
An altered mineral whose crystal form has the outward appearance of another mineral species. Also known as false form.
References in periodicals archive ?
1a), grains of feldspar, quartz, and rock-fragments are sporadically in contact, but are generally separated by clayey intergranular bridges and pseudomorphed grains.
The blades are partly to wholly pseudomorphed to dull gray-black enargite.
In these rocks, it is likely that the amphibolite-facies assemblage has partly pseudomorphed minerals developed in response to earlier deformation and metamorphism (lower grade?
Individual pseudomorphed crystals can reach 4 x 7 cm, while still displaying their forms sharply enough to recall instantly the Indian apophyllite crystals of the same habit: thick tetragonal prisms with large pyramid faces and no pinacoids.
Sample S84-12A was collected about 10 m from S84-12 and is a greenish black garnet amphibolite with garnet grains up to 3 mm mostly pseudomorphed by chlorite.