What is this rock

[VitaAmare]

I live in Northern California and in the area there is a dormant volcano (Mount St. Helena) and in the Pine Flat area there were mines way back in the day. This rock as well as many others which seem a little unusual have been in my yard for years. I cleaned up this rock a little and I was wondering if anyone could tell me what it is, or if it is valuable in any way. Thank you for any help you can give.

 

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[Dustedyou]

molten chunk of Quartz most likely with inclusions of calcite.. A gemologist would love it An amalgomy of molten joy..

 

[VitaAmare]

I looked at it even closer today and I did notice some sort of green color to it. What type of person do you think I could take it to to have it looked at closer?

 

[Dustedyou]

id take it to a local gem shop.. prolly your best bet.. might be a little jade.. Jadeite is a pyroxene mineral with composition NaAlSi2O6 but without looking at it , and the composition id say its just Quartz but a gorgeous specimen.. id pay to have it on my coffee table.. being from the St Helen's area id guess its Quarts just bubbled up and spewen out ..lol

 

[DesertNuggets]

Would look great in my rock garden!

 

[VitaAmare]

I'm trying to find a local geologist or gemologist to take a look at it to give me a little more information about it. I cleaned it up a little more and saw some things that really made me curious.

 

[NJnuggetpirate]

it looks like there was a shiny gold color in it was that the calcite showing

 

[VitaAmare]

I'm not sure. I am having a hard time finding someone to take a look at it, I have wrote a couple geologists at local colleges but have not heard back. And there are not really any local gem shops in my area.

 

[TAKODA]

A public university with an earth sciences dept./lab can tell you just about anything
you want to know about your rock . Usually with no charge if you are a resident of
the same state .