Crystal Encyclopedia
Prehnite
PREN-ite
Cape Emerald
Hardness
6–6.5
System
Orthorhombic
Family
Silicate
Formula
Ca2Al(AlSi3O10)(OH)2
Rarity
uncommon
Planet
Venus
Chakra
Heart, Solar Plexus
Element
Earth
Water
Safe
Sun
Low
Toxicity
Non-toxic
Did You Know?
Named in the 18th century; one of the first minerals named after a person.
Quick Learn
What is Prehnite used for?
Prehnite is commonly used for calm, intuition, emotional balance.
Can Prehnite go in water?
Prehnite is rated: Safe.
What chakra is Prehnite?
Prehnite resonates with the Heart, Solar Plexus chakras.
Scientific Data
Formula
Ca2Al(AlSi3O10)(OH)2
Crystal System
Orthorhombic
Mineral Family
Silicate
Composition
Calcium aluminum silicate
Origin Regions
South Africa, Australia, China
Formation
Calcium aluminum silicate formed in low-grade metamorphic environments
Colors
Pale green, yellow-green
Mohs Hardness
6–6.5
Metaphysical Properties
"I prepare thoughtfully and act with clarity."
Geological Profile
A calcium aluminum silicate mineral forming botryoidal and crystalline masses
Care & Cleansing
Care Instructions
Avoid water immersion; clean gently with a soft cloth
Cleansing Methods
Moonlight, sound
Historical Use
Named in the 18th century; one of the first minerals named after a person.
Recommended Uses
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