Whelanite
A variety of Minerals
What is Whelanite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Whelanite 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.
Whelanite Localities Map
See where Whelanite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Pale blue, greenish blue
- Hardness (Mohs)
- 2.5
- Density
- 2.738 g/cm³
- Streak
- Pale blue
Chemical Properties
- Chemical Formula
- Cu2+2Ca6Si6O17(OH)(OH)3 · 2H2O
- Elements
- C, Ca, Cu, H, O, Si

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Whelanite FAQs
How do I identify Whelanite?
Whelanite can be identified by its hardness of 2.5 on the Mohs scale, Pale blue color. Look for these key characteristics when examining specimens.
What color is Whelanite?
Whelanite typically appears in Pale blue, greenish blue. Color can vary depending on impurities and formation conditions.
How hard is Whelanite?
Whelanite has a hardness of 2.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.


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