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Identity HelpUnknown information from the In den Dellen quarries/Germany

26th Oct 2024 09:07 UTCDetlef Heilwagen OP
Hello,
Can anyone help me identify this mineral?
It occurs together with titanite and magnetite.
The image width is 0.8 mm therefore small tests are possible.
Questions Answered
Can it scratch glass? : Unable to test
Can you scratch it with your fingernail? : Unable to test
Is it light/heavy for the size? : Unable to test
Can anyone help me identify this mineral?
It occurs together with titanite and magnetite.
The image width is 0.8 mm therefore small tests are possible.
Questions Answered
Can it scratch glass? : Unable to test
Can you scratch it with your fingernail? : Unable to test
Is it light/heavy for the size? : Unable to test
26th Oct 2024 12:03 UTCHarold Moritz 🌟 Manager
Looking over the mineral list and photos, I would guess a pyroxene, or perhaps actinolite.

26th Oct 2024 14:05 UTCDetlef Heilwagen OP
Hello Harold,
I looked at the photos of the site, but unfortunately I couldn't find anything comparable. However, shots of Diopside-Hedenbergite series are quite similar to my piece.
Thanks for your answer.
I looked at the photos of the site, but unfortunately I couldn't find anything comparable. However, shots of Diopside-Hedenbergite series are quite similar to my piece.
Thanks for your answer.
26th Oct 2024 15:36 UTCHarold Moritz 🌟 Manager
Not aegirine-augite? https://www.mindat.org/gallery.php?loc=71520&min=32

26th Oct 2024 16:35 UTCDetlef Heilwagen OP
Hello Harold,
would also be possible. In my opinion, the crystal shape is different. But I'm not a mineralogist.
Since I have more of the material I will probably have it analyzed.
would also be possible. In my opinion, the crystal shape is different. But I'm not a mineralogist.
Since I have more of the material I will probably have it analyzed.
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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.
隐私政策 - 条款和条款细则 - 联络我们 - Report a bug/vulnerability Current server date and time: 2026.6.3 22:25:45
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.
隐私政策 - 条款和条款细则 - 联络我们 - Report a bug/vulnerability Current server date and time: 2026.6.3 22:25:45












