Phillipsite subgroup
A variety of Zeolite
What is Phillipsite subgroup?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Phillipsite 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.
Quick Facts
Physical Properties
- Streak
- White
Chemical Properties
- Chemical Formula
- MxAlxSi1-xO2·yH2O
- Elements
- Al, Si, O, Na, Mg, K, Ca
Also Known As
Phillipsite subgroupKali-harmotomeNormalinPhillipsiteZeagonite
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