🔎 UNIDENTIFIED Potentially a Dolomite?

[Axel's Nature's Best]

Hello! I'm new to crystal identification and I am uncertain what this is. My best guesses are Dolomite or Quartz, but I would like to confirm or deny that

It has a slight tinge of green/yellowish "glow" at the base, the white is not transparent or reflective like metal however you can see light through the tips. the dark rock at what I assume is the bottom has pink marking around it. I put an euro for size comparison.

That is all the information I know to give, thank you if you can help!

 

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[Clay Diggins]

Nice specimen. It appears to be Calcite. Calcite is a very common carbonate mineral

Calcite is soft and will bubble when exposed to warm vinegar.

 

[Axel's Nature's Best]

Nice specimen. It appears to be Calcite. Calcite is a very common carbonate mineral

Calcite is soft and will bubble when exposed to warm vinegar.

Thank you! We will test it in vinegar later. If you do not mind me asking, how can you define whether a crystal is " soft" or not? Thanks in advance!

 

[Clay Diggins]

Mohs hardness scale.

Mohs Hardness Scale: Testing the Resistance to Being Scratched

The most commonly used test of mineral hardness is Mohs Hardness Scale.

geology.com