ID Help Please.

[Indian Steve]

I am putting together a small rock, fossil, Indian relic collection for my 10 year old nephew. I am having a major brain fart and can't remember the name of this one. It is about the size of a quarter. Thanks

 

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[Clay Diggins]

It appears to be a calcite rose although several other minerals have a similar growth habit. A drop of vinegar on an unobtrusive part should produce bubbles within an hour if it's calcite.

 

[Indian Steve]

Thanks!

 

[Kray Gelder]

Barite rose is another possibility, as Clay says.

 

[hvacker]

Yes, barite comes in many forms, colors. I thought calcite too.

 

[fuss]

Doesn't Gypsum form that way as well?

 

[stdenis_jd]

Looks like a selenite rose to me...could be calcite or barite, but barite would be noticeably very heavy for its size.

 

[IAMZIM]

Looks like a selenite rose to me...could be calcite or barite, but barite would be noticeably very heavy for its size.

I was leaning toward this as well.