Heavy Round Rocks from Llana Estacado - North Texas

[Swoodbyrne525]

First post!

On a trip to north Texas, we pulled over so I could collect some of the cool rusty red embankment sediment in a jar, and found this odd rock. It appears to be three distinct segments, and is much heavier than it looks. It's approximately 4x4" and nothing similar was found near it.

 

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[stdenis_jd]

Those look like barite nodules to me, but I don't know much about the local geology in Llano, TX. Maybe someone else here can confirm

 

[DDancer]

I feel they are Barite nodules as well based on the description of the weight. Gypsum would be light as would Selenite, those minerals also make a simular formation to the one you have in sands. A lot of Barite reacts to UV light, if you know someone who has a UV lamp or have one yourself give it a shot.

 

[Swoodbyrne525]

Awesome suggestions, will order a blacklight and check it or. Thank you!

 

[A2coins]

Nice finds

 

[Madmox]

Coprolite. Make sure you wash your hands!