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Can you please help me identify this mineral?

0 votes

Black, with white streaks, and a large groove. Found on the beach in Livorno, Italy.

asked Dec 25, 2017 by mandua (540 points)

3 Answers

0 votes
well looks pretty interesting
answered Dec 27, 2017 by manuelaaumick (370 points)
0 votes
I'm thinking a quartz/basalt mix.
answered Dec 31, 2017 by Weasel (42,940 points)
0 votes

I observed this piece of quartz and noticed what gave the impression of graphite on a aspect. I regarded into it, and I do not assume it is graphite, however molybdenite, or in all likelihood silver. Does each person have an idea what it is probably?Online Essay Writing Service UK


answered Jan 4 by edwardmyers (140 points)
I researched more thoroughly and it turns out this is cryptocrystalline quartz radiolarite chert. basically fossil radiolarians (microscopic marine creatures). but thank you for your answer.