Eylettersite
A variety of Plumbogummite Group
What is Eylettersite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Eylettersite 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
- Cream white
- Hardness (Mohs)
- 3 - 4
- Rock tumbling
- Not recommended
- Streak
- White
Chemical Properties
- Chemical Formula
- Th0.75Al3(PO4)2(OH)6 The type material contains minor Pb replacing Th, and minor Si replacing P.
- Elements
- Al, H, O, P, Th
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Eylettersite FAQs
How do I identify Eylettersite?
Eylettersite can be identified by its hardness of 3 - 4 on the Mohs scale, Cream white color. Look for these key characteristics when examining specimens.
What color is Eylettersite?
Eylettersite typically appears in Cream white. Color can vary depending on impurities and formation conditions.
How hard is Eylettersite?
Eylettersite has a hardness of 3 - 4 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
