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Formula: Ca2Nd3(SiO4)3F
Nesosilicate (insular SiO4 groups), britholite group,
apatite supergroup
Crystal System: Hexagonal
Specific gravity: 4.92 calculated
Hardness: 5
Colour: Brownish pink
Environments
Fluorbritholite-(Nd) is a new mineral, approved in 2023.
Localities
At the type locality, the Malmkärra mine, Norberg, Västmanland County, Sweden, fluorbritholite-(Nd) occurs
as small anhedral grains of less than 250 μm in size, on a boulder of
skarn in the mine dumps. Associated minerals include
talc, scheelite,
magnetite, lizardite,
gadolinite-(Nd), fluorite,
dolomite, calcite and
baryte
(AM 108.1993, Mindat).
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