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Krazzy
I found this up around the Loch Chon area of the Trossachs sometime ago sitting on a river bank half in and half out the water so it caught my eye due to the difference in the colour differing type of rock.

My question is simply does anyone know what this is please?

Thank you in Advance.

Krazzy Click image for larger version - Name: DSC_0154 - Copy.jpg, Views: 47, Size: 375.92 KB Click image for larger version - Name: DSC_0155 - Copy.jpg, Views: 50, Size: 372.18 KB Click image for larger version - Name: DSC_0156 - Copy.jpg, Views: 44, Size: 347.96 KB
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Gandalf the White
It just looks like a quartz concretion.
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prep01
Hello Krazzy and welcome to the forum. This isn't a fossil, so it should have been in the Rocks & MInerals forum, but never mind. It is almost certainlyQuartz of some sort if it's harder than steel (try scratching the white bit).
Colin Huller
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Krazzy
My sincere first time posting but I will take note for future....it probably is quartz it was just the outer layer that made me think I will give it a scratch tomorrow and it it comes away easy its what and it nothing comes away its also what ?

Kindest Regards

K
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prep01
If you can scratch the crystals, then it' may be Calcite. I don't know the area, but ths might explain the nature of the outer rock - Ledi Grit Formation - Psammite And Semipelite. Metamorphic Bedrock formed approximately 508 to 635 million years ago in the Cambrian and Ediacaran Periods. Originally sedimentary rocks formed in deep seas. Later altered by low-grade metamorphism.
Colin Huller
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Krazzy
Colin the area is in the Trossachs area of Scotland near Aberfoyle at Loch Chon.


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prep01
Kaz,  realise that, and the geological information is from an online source for the specific area.
Colin Huller
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