White Moonstone
White Moonstone tumbled
A variety of Microcline
What is White Moonstone?
A well-known member of the feldspar group, white Moonstone is renowned for its shimmering white luster; in fact, the ancient Romans believed this stone to have been formed from solidified moonlight. Although it is the state gemstone of Florida (to honor the Apollo moon landings), it is not actually found in that state.
Optical Properties
- Refractive Index
- 1.514-1.539
- Birefringence
- 0.008-0.010
- Pleochroism
- Weak
- Optical Character
- Biaxial negative
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge White Moonstone 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.
White Moonstone Localities Map
See where White Moonstone is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Creamy translucent white
- Streak
- White
Chemical Properties
- Chemical Formula
- K(AlSi3O8)
- Elements
- Al, K, O, Si

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White Moonstone FAQs
How do I identify White Moonstone?
White Moonstone can be identified by its Creamy translucent white color. Look for these key characteristics when examining specimens.
What color is White Moonstone?
White Moonstone typically appears in Creamy translucent white. Color can vary depending on impurities and formation conditions.

