Crystal Encyclopedia
Opal
OH-pal
Precious Opal
Hardness
5.5–6.5
System
Amorphous
Family
Hydrated silica
Formula
SiO2·nH2O
Rarity
uncommon
Planet
Moon
Chakra
Crown
Element
Water
Water
Limited exposure only
Sun
Moderate
Toxicity
Sensitive to dehydration and heat
Did You Know?
Revered since antiquity for its shifting colors; historically associated with luck and artistic inspiration.
Quick Learn
What is Opal used for?
Opal is commonly used for emotional amplification, creativity, intuition.
Can Opal go in water?
Opal is rated: Limited exposure only.
What chakra is Opal?
Opal resonates with the Crown chakra.
Scientific Data
Formula
SiO2·nH2O
Crystal System
Amorphous
Mineral Family
Hydrated silica
Composition
Hydrated silicon dioxide
Origin Regions
Australia, Ethiopia, Mexico
Formation
Hydrated silica formed from silica-rich water deposits
Colors
White, multicolor, iridescent
Mohs Hardness
5.5–6.5
Metaphysical Properties
"I embrace creativity and fluid expression."
Geological Profile
An amorphous hydrated silica known for play-of-color
Care & Cleansing
Care Instructions
Avoid water immersion and rapid temperature changes; store away from heat and dryness
Cleansing Methods
Moonlight, sound
Historical Use
Revered since antiquity for its shifting colors; historically associated with luck and artistic inspiration.
Recommended Uses
Explore More
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