Fluorapophyllite
A variety of Apophyllite Group
What is Fluorapophyllite?
The crystal-clear nature of fluorapophyllite makes it a perfect selection for collectors; it is easily found and reasonably affordable. Occasionally when fluorapophyllite has a trace amount of iron, it can morph into a grassy green color. When this discoloration occurs, specimen value skyrockets.
Etymology & Origins
It gets the first half of its name, "fluor", from containing more fluorine than hydroxide compared to the other minerals in the apophyllite group.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Fluorapophyllite 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.
Fluorapophyllite Localities Map
See where Fluorapophyllite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Colorless, pale green, aquamarine, white, pink, yellow
- Hardness (Mohs)
- 4.5 - 5
- Density
- 2.3 - 2.4 g/cm³
- Streak
- White
- Luster
- Pearly, Vitreous
- Crystal System
- Tetragonal
Chemical Properties
- Chemical Formula
- KCa4Si8O20(F, OH)·8(H2O)
Also Known As

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Fluorapophyllite FAQs
How do I identify Fluorapophyllite?
Fluorapophyllite can be identified by its hardness of 4.5 - 5 on the Mohs scale, Colorless color, Pearly, Vitreous luster, Tetragonal crystal system. Look for these key characteristics when examining specimens.
What color is Fluorapophyllite?
Fluorapophyllite typically appears in Colorless, pale green, aquamarine, white, pink, yellow. Color can vary depending on impurities and formation conditions.
How hard is Fluorapophyllite?
Fluorapophyllite has a hardness of 4.5 - 5 on the Mohs scale. This gives it moderate hardness.
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