coltan

As a noun coltan is

coltan.

Wolflam is likely misspelled.

Wolflam has no English definition.

As a noun coltan

is a metallic ore from which the elements niobium and tantalum are extracted.

As nouns the difference between chromite and coltan

is that chromite is while coltan is coltan.

As nouns the difference between taxonomy and coltan

is that taxonomy is the science or the technique used to make a classification while coltan is a metallic ore from which the elements niobium and tantalum are extracted.

As nouns the difference between coltan and cobalt

is that coltan is a metallic ore from which the elements niobium and tantalum are extracted while cobalt is a chemical element (symbol Co) with an atomic number of 27.

As a proper noun Cobalt is

a village in Connecticut.

As nouns the difference between ore and coltan

is that ore is rock that contains utilitarian materials; primarily a rock containing metals or gems which—at the time of the rock's evaluation and proposal for extraction—are able to be separated from its neighboring minerals and processed at a cost that does not exceed those materials' present-day economic values while coltan is a metallic ore from which the elements niobium and tantalum are extracted.