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Formula: LaU4+Fe3+2(Ti13Fe2+4Fe3+)O38
Oxide, crichtonite group
Crystal System: Trigonal
Specific gravity: 5.03 measured, 4.99 calculated
Hardness: 6
Environments
Haitaite-(La) is a new mineral, approved in 2021 and to date (October 2023) reported only from the type
locality.
Localities
At the Haitaite-(La) type locality, Haita town, Miyi County, Panzhihua, Sichuan, China, haitaite-(La) was
found in the Haita uranium ore district in 2019; it occurs in the external
contact zone between a Neoproterozoic (~800 Ma) alkali
feldspar
granite pluton and its Mesoproterozoic (~1700 Ma)
mica schist wall rock. Sichuan
Province is rich in uranium ore and produces large crystals of
uraninite up to 1 cm long
(AM 108.1994).
The haitaite-(La) occurs as black opaque centimetre-sized aggregates associated with
ilmenite, magnetite,
rutile, zircon,
brannerite and uraninite
(Mindat).
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