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.

Applies to all rocks & minerals.

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.

Map preview
North ZoneCentral RidgeSouth Basin

Interactive map layers and collecting notes are available in the app.

Quick Facts

Physical Properties

Color
Creamy translucent white
Streak
White

Chemical Properties

Chemical Formula
K(AlSi3O8)
Elements
Al, K, O, Si
FREE APPTrusted by rockhounds
Ruby Glint rock identifier app

Identify White Moonstone Instantly

  • Snap a photo, get instant results
  • 6,700+ rocks, minerals & crystals
  • Discover collecting spots near you

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.

Related Microcline

Explore More Rocks & Minerals