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Formula: PtPb
Alloy of platinum and lead
Crystal System: Hexagonal
Specific gravity: 14.80 calculated
Hardness: 4 to 4½
Colour: White
Environments
Kufahrite is a new mineral, approved in 2020 and to date (May 2023) reported only from the type locality.
Localities
At the type locality, the Ledyanoy Creek placer, Gal'moenan ultrabasic massif, Korf, Kamchatka Krai, Russia, kufahrite was found in
isoferroplatinum grains extracted from a heavy-mineral concentrate, together with
tetraferroplatinum, tulameenite, native
iridium, hollingworthite and
chromium-rich spinel. Kufahrite occurs as part of
alteration rims which are formed together with tetraferroplatinum after
isoferroplatinum, or as grains up to 150 μm in size
(MM 85.2.254-261).
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