🔎 UNIDENTIFIED Unknown mineral inside concretion

[Jlarkins18]

Hi. I Found this mineral inside of a concretion. The minerals that I typically find inside the concretions local to my area are calcite and Aragonite. This is the only one I have ever opened that looks like this. Any ideas?

Thank you.

Location: Orange County, California

 

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[fuss]

Could be Gypsum, Calcite, Aragonite or even Zeolite minerals..you should find out if it reacts with acid and find out the hardness.

Calcite and Aragonite can take on many totally different crystal habits (forms) so I wouldnt rule them out quite yet.

 

[Jlarkins18]

Could be Gypsum, Calcite, Aragonite or even Zeolite minerals..you should find out if it reacts with acid and find out the hardness.

Calcite and Aragonite can take on many totally different crystal habits (forms) so I wouldnt rule them out quite yet.

Hi. Thank you for the information. I have never performed an acid test but would like to try.