Brownmillerite Subgroup
A variety of Non-stoichiometric Perovskites Group
What is Brownmillerite Subgroup?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Brownmillerite Subgroup before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Applies to all rocks & minerals.
Brownmillerite Subgroup Localities Map
See where Brownmillerite Subgroup is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Map preview
North ZoneCentral RidgeSouth Basin
Quick Facts
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