How do I identify Kidwellite?

Kidwellite can be identified by its hardness of 3 on the Mohs scale, Greenish yellow color. Look for these key characteristics when examining specimens.

What color is Kidwellite?

Kidwellite typically appears in Greenish yellow, Greenish white, Yellow, Light green. Color can vary depending on impurities and formation conditions.

How hard is Kidwellite?

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

Kidwellite

A variety of Minerals

What is Kidwellite?

Kidwellite Market Value Calculator

Estimate the market value of Kidwellite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.

Kidwellite Localities Map

See where Kidwellite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

Map preview

North ZoneCentral RidgeSouth Basin

Quick Facts

Physical Properties

Color: Greenish yellow, Greenish white, Yellow, Light green
Hardness (Mohs): 3
Density: 3.34 g/cm³
Streak: yellow

Chemical Properties

Chemical Formula: NaFe3+9+x(PO4)6(OH)11 · 3H2O, x = 0.33 Formula is slightly simplified; for details see Kolitsch (2004).
Elements: Fe, H, Na, O, P

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