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Formula: Na3Fe3+2(AsO4)3
Arsenate,
alluaudite group and
supergroup
Crystal System: Monoclinic
Specific gravity: 4.257 calculated
Colour: Honey-coloured, red-brown, orange-brown, yellow-brown
Environments
Khrenovite is a relatively new mineral, approved in 2018 and to date reported only from the type locality.
Localities
At the type locality, the Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough, Great Fissure eruption,
Tolbachik volcano, Kamchatka Krai, Russia, khrenovite is associated with
aphthitalite-group sulphates,
badalovite,
calciojohillerite,
nickenichite, johillerite,
svabite, achyrophanite,
ozerovaite, pansnerite,
arsenatrotitanite, anhydrite,
sanidine, hematite,
cassiterite, rutile and
pseudobrookite. Khrenovite occurs as coarse prismatic crystals up
to 0.2 × 0.3 × 0.8 mm3 and their clusters up to 1 mm across. It is transparent, honey-coloured, red-, orange-
or yellow- brown, with a vitreous lustre
(MM, 86.6.897-902).
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