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Help ID’ing...
ChuckD
post Oct 23 2017, 08:56 AM
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I found this in the Texas Hill Country in a dry creek bed, about 4 miles south of Utopia, Tx. I included a picture of the area in which it was found in case it might lend some clues as to it’s identity. This is the only piece like this that I found. This area is mostly limestone I believe. This sample is not wet- it has a “sheen” to it when rotated. Anyhow, can anyone help? (Sorry if the pics don’t post or come out sideways... I’m still learning all this internet stuff)
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swizz
post Oct 23 2017, 06:31 PM
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hmmmm... my guess is Calcite or Microcline.


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ChuckD
post Oct 23 2017, 06:42 PM
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QUOTE (swizz @ Oct 23 2017, 09:31 PM) *
hmmmm... my guess is Calcite or Microcline.

Thanks, Swizz!
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Denise
post Oct 25 2017, 09:32 AM
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chin.gif Always hard to tell just from pics, but I have to agree with Swizz....looks like a cool piece of Microcline! happy112.gif


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Dave S.
post Oct 26 2017, 02:31 PM
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My guess is calcite (the main mineral in limestone)

Looks like weathered calcite crystals, or a calcite formation that replaced a fossil (like coral).



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ChuckD
post Nov 6 2017, 06:51 PM
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QUOTE (Dave S. @ Oct 26 2017, 03:31 PM) *
My guess is calcite (the main mineral in limestone)

Looks like weathered calcite crystals, or a calcite formation that replaced a fossil (like coral).


Thanks, Dave!
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