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Webster
1828
Edition
Fahlerz
F'AHLERZ
,
Noun.
Gray copper, or gray copper ore, called by Jameson tetrahedral copper pyrite. This mineral is easily broken, and its fracture usually uneven, but sometimes a little conchoidal. it is found amorphous and in regular crystals.
Definition
2024
fahlerz
fahlerz
English
Noun
fahlerz
(
uncountable
)
(
mineralogy
)
fahlband
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