Prehnite
Prehnite tumbled
A variety of Prehnite
What is Prehnite?
Prehnite has a color range between yellow and pale green, with a rare orange version found in South Africa. When tumbled it is a translucent stone with a pearly luster. Prehnite was once a rare collector’s item, but further deposits have been located in Canada, China, and the USA. It is now used to make pendants.
Healing Properties
Prehnite may be used on the Heart and Solar Plexus chakras to connect your heart and your will. This practice is believed to help a person achieve the things they want most in their life. It is said to bring peace and joy wherever it is used. It may have enhance psychic abilities when used during meditation.
Optical Properties
- Refractive Index
- 1.611-1.673
- Birefringence
- 0.021-0.039
- Pleochroism
- None
- Optical Character
- Biaxial positive
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Prehnite 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.
Prehnite Localities Map
See where Prehnite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
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Quick Facts
Physical Properties
- Streak
- White
Chemical Properties
- Chemical Formula
- Ca2Al2Si3O10(OH)2
- Elements
- Al, Ca, H, O, Si
Also Known As
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