Crandallite
A variety of Minerals
What is Crandallite?
Crandallite is a calcium aluminium basic phosphate mineral. It has ideal formula CaAl3(PO4)2(OH)5•(H2O). Crandallite was named after Milan L. Crandall, Jr, who worked for Knight Syndicate. This mineral is found in laterite and in alteration products of phosphate rich pegmatites.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Crandallite 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.
Crandallite Localities Map
See where Crandallite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Yellow, white, gray; colorless in transmitted light.
- Hardness (Mohs)
- 5
- Density
- 3 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- CaAl3(PO4)(PO3OH)(OH)6
- Elements
- Al, Ca, H, O, P
Also Known As
Identify Crandallite Instantly
- Snap a photo, get instant results
- 6,700+ rocks, minerals & crystals
- Discover collecting spots near you
Crandallite FAQs
How do I identify Crandallite?
Crandallite can be identified by its hardness of 5 on the Mohs scale, Yellow color. Look for these key characteristics when examining specimens.
What color is Crandallite?
Crandallite typically appears in Yellow, white, gray; colorless in transmitted light.. Color can vary depending on impurities and formation conditions.
How hard is Crandallite?
Crandallite has a hardness of 5 on the Mohs scale. This gives it moderate hardness.
%252FAbenakiite-(ce)-01.jpg&size=small)
