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Formula: BaCa6(SiO4)F2[(PO4)(CO3)]F
Nesosilicate (insular SiO4 groups), zadovite group,
arctite supergroup,
barium-bearing mineral
Crystal System: Trigonal
Specific gravity: 3.365 calculated
Hardness: 5
Streak: White
Colour: Colourless
Luminescence: Not fluorescent under UV
Environments
Stracherite is a relatively new mineral, approved in 2017 and to date (December 2023) reported only from the
Hatrurim formation.
Localities
At the type locality, the Hatrurim Formation, Middle East, stracherite occurs in pyrometamorphic
spurrite marble and is formed
under the influence of by-products (gases, fluids) of combustion metamorphism. Associated minerals include
spurrite, calcite,
brownmillerite,
shulamitite, CO3-bearing
fluorapatite,
fluormayenite-fluorkyuygenite,
ariegilatite, periclase,
brucite, barytocalcite,
baryte and
elbrusite-kerimasite
garnets
(HOM).
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