Englishite

A variety of Minerals

What is Englishite?

Market Value Factors

Pricing varies for every rock and mineral, so use these universal factors to gauge Englishite 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.

Quick Facts

Physical Properties

Color: Colourless to white, grayish green; colourless in transmitted light.
Hardness (Mohs): 3
Rock tumbling: Not recommended
Density: 2.69 g/cm³

Chemical Properties

Chemical Formula: K₃Na₂Ca₁₀Al₁₅(PO₄)₂₁(OH)₇ · 26H₂O
Elements: Al, Ca, H, K, Na, O, P

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Englishite FAQs

How do I identify Englishite?

Englishite can be identified by its hardness of 3 on the Mohs scale, Colourless to white color. Look for these key characteristics when examining specimens.

What color is Englishite?

Englishite typically appears in Colourless to white, grayish green; colourless in transmitted light.. Color can vary depending on impurities and formation conditions.

How hard is Englishite?

Englishite has a hardness of 3 on the Mohs scale. This makes it a soft mineral that can be scratched easily.