H	Hydrogen
H	ⓘ Kidwellite	NaFe³⁺_9+x(PO₄)₆(OH)₁₁ · 3H₂O, x = 0.33
H	ⓘ Strengite	FePO₄ · 2H₂O
O	Oxygen
O	ⓘ Kidwellite	NaFe³⁺_9+x(PO₄)₆(OH)₁₁ · 3H₂O, x = 0.33
O	ⓘ Strengite	FePO₄ · 2H₂O
Na	Sodium
Na	ⓘ Kidwellite	NaFe³⁺_9+x(PO₄)₆(OH)₁₁ · 3H₂O, x = 0.33
P	Phosphorus
P	ⓘ Kidwellite	NaFe³⁺_9+x(PO₄)₆(OH)₁₁ · 3H₂O, x = 0.33
P	ⓘ Strengite	FePO₄ · 2H₂O
Fe	Iron
Fe	ⓘ Kidwellite	NaFe³⁺_9+x(PO₄)₆(OH)₁₁ · 3H₂O, x = 0.33
Fe	ⓘ Strengite	FePO₄ · 2H₂O

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Eppstein
Wikidata ID:	Q45347

Localities in this Region

Germany

Hesse
- Darmstadt
  - Main-Taunus-Kreis
    - Eppstein
      - ⭔Bremthal
        Jacobssegen mine
        Jakobssegen Mine

Other Regions, Features and Areas that Intersect

Eurasian PlateTectonic Plate

Saxo-Thuringian BeltOrogenic Belt

EuropeContinent

Rhenish MassifMassif

Germany

TaunusMountain Range

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

Quick NavTop Mineral List Fossils Other Databases Localities in Region Other Regions

Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 21, 2026 14:20:26 Page updated: July 17, 2026 18:41:00

Go to top of page

Eppstein, Main-Taunus-Kreis, Darmstadt, Hesse, GermanyiRegional Level TypesEppsteinCity Main-Taunus-KreisDistrict DarmstadtRegion HesseCity-State GermanyCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

Select Mineral List Type

Mineral List

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Fossils

Other Databases

Localities in this Region

Other Regions, Features and Areas that Intersect

Eppstein, Main-Taunus-Kreis, Darmstadt, Hesse, Germany i
Regional Level Types
Eppstein City
Main-Taunus-Kreis District
Darmstadt Region
Hesse City-State
Germany Country