Khrenovite

khrenovite

Images

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

Fumeroles

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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