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Mineral Deposits in Trilobite Matrix?


Huntonia

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A while ago I bought this Gerastos trilobite from Morocco. It has strange minerals in the matrix. It has pockets of a green mineral that sort of glimmers in the light. It also has lines of a white mineral, which fluoresce under black light. If anyone has any idea what these are I'd be interested to hear.20190630_200606.thumb.jpg.654df52ba84975d6aaccb39197d07d95.jpg

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To get an better idea, we need more (detailed) pictures. From that picture I would guess the glimmering mineral could be calcite (easy to prove), the white lines are artificiall scrub or grinding marks to get a flat base.

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Thanks, I think you are correct about the calcite. And the white being artificial makes sense, some sort of grinding tool was definitely used. I could try to get some better pictures tomorrow, however my photography setup is quite poor.

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The white lines of which you speak may be the glue flouresing where the rock was put back together to prep the trilo out.

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