Another strange rock or crystal

[Mexico]

I found this one just sitting in a dry wash. Not sure how it fell out of the hills near by. In the sun light it sparkles and almost looks silvery ( The Sparkles do).
Can any one help I.D. and do I go up the hill looking for more? ( vary steep hill)

Cheers

 

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[Tony in SC]

I don't know the proper name but I've seen something like that called devil's quartz?

 

[Mexico]

I don't know the proper name but I've seen something like that called devil's quartz?

Thanks Tony, I don't want to go up that hill unless that stuff is worth anything. Or other things normally are found with it.

 

[Kray Gelder]

Aragonite ( Calcium carbonate )?

 

[Mexico]

Aragonite ( Calcium carbonate )?

So if I get a tummy ache just bite a bit off it. he-he

Cheers for the Info..

 

[TheCannonballGuy]

It's a close call between Aragonite and Calcite crystals. Kray Gelder's very good guess (I note that he included a question-mark) might be correct. However...

Large crystals of Aragonite tend to have a flat top. Examine some of the photos of large Aragonite crystals here:
https://www.minerals.net/mineral/aragonite.aspx

Going by the shape of the large crystals on the specimen you found, and the distinctive "lustre" of their faces, I'll have to come down on the side of Calcite.

 

[Mexico]

It's a close call between Aragonite and Calcite crystals. Kray Gelder's very good guess (I note that he included a question-mark) might be correct. However...

Large crystals of Aragonite tend to have a flat top. Examine some of the photos of large Aragonite crystals here:
https://www.minerals.net/mineral/aragonite.aspx

Going by the shape of the large crystals on the specimen you found, and the distinctive "lustre" of their faces, I'll have to come down on the side of Calcite.

Thank you for the info and the Link to Minerals.net ( Got it book marked now)

 

[ANTIQUARIAN]

You might consider re-posting your thread here... Rocks/Gems
The good folks in this forum will certainly be willing to offer you some insight as well.

Dave

 

[Reanm8er]

Greetings Mexico, nice find! I agree with Kray and TCB but would ad that this looks like it could an anthodite? That's a complex aragonite crystal that forms on the ceiling of some caverns, in defiance of gravity. Samples of the quality of yours would definitely be marketable to "rockhounds" whether they're anthodites or not. You might consider searching the hill/cliff side with a drone to look for signs of a cavern. If you find their source make a plan to keep them clean when you harvest them. If you dirty them up they're almost impossible to clean. Who knows, perhaps Spanish gold awaits?

Best wishes and be careful!

 

[Mexico]

Thanks Dave, Phil,

It may be worth a better look at that hill to see about caves. Its spelunking time!!! I never wanted to do that here in Mexico but dying is the day worth living for.

 

[ANTIQUARIAN]

Thanks Dave, Phil,

It may be worth a better look at that hill to see about caves. Its spelunking time!!! I never wanted to do that here in Mexico but dying is the day worth living for.

I find the collectible value of minerals from Mexico to be very interesting ... https://www.irocks.com/galleries/themed/arkenstone-fine-minerals-mexico-milpillas-ojuela
Dave