I fell for that years ago. Found a beautiful red rock that was smooth as glass. Picked it up and showed it to my uncle and asked him what kind of rock it was. His response was a love stone. I bit hook line and sinker.
I was thinking something like that but we haven't many rocks or stones here in the sandhills and it looks like quartz with a reddish sandstone around it , I saw a glimmer just sticking out of the ground got off the mower and dug it up
Either Quartz or Calcite crystals. I'm from LaVernia and have seen both. Take a piece of glass and if the crystals cuts it, it's quarts, if it doesn't, it's calcite. If you can scratch it with your fingernail, it's gypsum.
I think it's calcite
might be quartz also, but it's hard to tell without seeing in person. just get a pocket knife and try to scratch the crystals. A knife will scratch calcite. it wont scratch quartz.
the rusted color part is just some ferrous precipitated mineral. I've found nodules lying around that have a lot of iron in them, that tend to have that reddish color.
Definitely Quartz. Lots of it out in east San Antonio. I used to live in a subdivision out on the Northeast side that backed up to an old quarry...it has quartz scattered all over it.
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