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Mick Steeper
Is there a general way of discriminating between mineral dendrites and plant fossils?
I am looking at a sandstone paving slab in my garden and there are fronded structures along one edge. They extend across the slab by about 3-5 cm. The slabs were sold as “Raj Green” Indian sandstone if that helps.
Thanks
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Brittle Star
Hi and welcome,

I think what you have there are dendrites. Aren't modern paving slabs man made. Not an expert on how paving slabs are manufactured, i think yours is sawn from natural stone. I have seen fossils in very old ones.
Fossil plants are different.
JW

 Never ask a star fish for directions
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Mick Steeper
Thanks
I thought so too.
FWIW though, the slabs are proper natural sandstone (unless I’ve been done, but I don’t think so). They’re split from slabs quarried in Rajasthan, or that’s what they’d have us believe!
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prep01
Indian sandstone is well known for dendrites.
Colin Huller
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Mick Steeper
Thanks all.
(Not sure what you mean Rob)
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