tantalite
Noun
Meaning
A heavy mineral of an iron-black color and submetallic luster. It is essentially a tantalate of iron.
Source: Webster's dictionarySynonyms
beryl
calcite
fluorite
tantalum
ilmenite
columbite
galena
chalcopyrite
covellite
fergusonite
niobite
tantalus
hematite
arsenopyrite
cassiterite
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