Milarite
A variety of Minerals

What is Milarite?
Optical Properties
- Refractive Index
- 1.529-1.560
- Birefringence
- 0.000-0.011
- Optical Character
- Uniaxial negative
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Milarite 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.
Quick Facts
Physical Properties
- Color
- Colorless, grayish, tan, pale green, yellowish green, yellow
- Hardness (Mohs)
- 6
- Rock tumbling
- With care
- Streak
- White
Chemical Properties
- Chemical Formula
- K2Ca4Al2Be4Si24O60 · H2O
- Elements
- Al, Be, Ca, H, K, O, Si

Identify Milarite Instantly
- Snap a photo, get instant results
- 6,700+ rocks, minerals & crystals
- Discover collecting spots near you
Milarite FAQs
How do I identify Milarite?
Milarite can be identified by its hardness of 6 on the Mohs scale, Colorless color. Look for these key characteristics when examining specimens.
What color is Milarite?
Milarite typically appears in Colorless, grayish, tan, pale green, yellowish green, yellow. Color can vary depending on impurities and formation conditions.
How hard is Milarite?
Milarite has a hardness of 6 on the Mohs scale. This gives it moderate hardness.


%252FAbenakiite-(ce)-01.jpg&size=small)

