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Identity HelpAgatized?

25th Apr 2019 13:52 UTCAbdulB Sh

04555310016022880748056.jpg
Hello everyone,

I have found this mineralized rock outside of Lahore, probably dug up, quite heavy for scale, hardness is around 6 to 7, looks like agatized dinosaur bone but i might be wrong, any help would be appreciated.




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25th Apr 2019 20:55 UTCIan Nicastro

I personally don't feel that is agatized dinosaur bone.

26th Apr 2019 05:42 UTCAbdulB Sh

Thanks Ian, then what kind of rock it is?

7th May 2019 00:59 UTCJohn Fingas

Hi Abdul,


Based on the photos that you have posted, this appears to be a rounded chunk of fine-grained granite, which has been cut at the base with a diamond-blade saw. You can see how, when examined closely, the rock consists of small white and pink grains; these would be quartz and feldspar, and are characteristic of an igneous rock. An agate would not show such grains.

9th May 2019 03:36 UTCGregg Little 🌟

The dark colour would also seem to indicate significant alteration with possibly chlorite alteration in dark green mineral grains and potassic alteration in the deeper reddish feldspar grains or could that be silicification of potassic feldspar which would attract the jasper designation? If only we had a few hints like hardness, eh?

10th May 2019 19:00 UTCAbdulB Sh

05994350016022880748363.jpg
Thanks everyone , sorry for late reply,

Posting another image, looks like another type of fossilized bone, its simply grinded for details, hardness is around 6

am i correct?




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