Aluminotaipingite-(CeCa)

aluminotaipingite-(CeCa)

wulfenite

synchysite

kainosite-(Y)

Images

Formula: (Ce₆Ca₃)Al(SiO₄)₃[SiO₃(OH)]₄F₃
Nesosilicate (insular SiO₄ groups), taipingite subgroup, cerite group, cerite supergroup
Crystal System: Trigonal
Specific gravity: 4.476 calculated
Hardness: 5
Streak: White
Colour: Light pink to pink or reddish
Luminescence: No fluorescence under long wave or short wave UV
Environments

Metamorphic environments

Aluminotaipingite-(CeCa) is a new mineral, approved in 2023 and to date (January 2024) reported only from the type locality.

Localities

At the type locality, the Casette Quarry, Montoso Quarries, Bagnolo Piemonte, Cuneo Province, Piedmont, Italy, aluminotaipingite-(CeCa) was found in cavities of a leucogranitic orthogneiss as light pink to pink, transparent or semi-transparent pyramidal crystals with a vitreous lustre, up to 0.07 mm in size. Associated minerals include wulfenite, titanite, synchysite-(Ce), laumontite, kainosite-(Y), clinochlore and allanite-(Ce) (MM, 87.5.741-747, Mindat).

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