Zwieselite

A variety of Triplite Group

What is Zwieselite?

Zwieselite Market Value Calculator

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

Preview only. Full pricing comps and valuation report in the app.

Zwieselite Localities Map

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

Map preview
North ZoneCentral RidgeSouth Basin

Interactive map layers and collecting notes are available in the app.

Quick Facts

Physical Properties

Color
Dark brown; black (altered)
Hardness (Mohs)
5 - 5.5
Density
3.92 g/cm³
Streak
White to tan

Chemical Properties

Chemical Formula
Fe2+2(PO4)F
Elements
F, Fe, O, P
FREE APP
4.7
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