Rock found on Laguna Beach. It is not sand stone and is heavy for its size 3" x 2". It is rather dense.
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$\begingroup$ Where is Laguna Beach? If you drop some vinegar on it, does it fizz? $\endgroup$ – Gimelist May 4 '18 at 22:50
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$\begingroup$ Laguna Beach is in Orange County California. I did a little research on this rock, it's basalt. I'll try the vinegar. $\endgroup$ – Herb May 5 '18 at 12:56
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$\begingroup$ If I would guess I would suggest that the rock is likely a granite, there are many varieties. The color and what I suspect are crystal grains in the picture suggest that the rock is a Felsic rock, where some of the mineral crystals of unevenly weathered out. en.wikipedia.org/wiki/Felsic. $\endgroup$ – Friddy May 7 '18 at 18:32
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$\begingroup$ Crack it open and show us the fresh surface $\endgroup$ – haresfur May 7 '18 at 22:57
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$\begingroup$ This question already got a close vote because it does not contain enough information. Please read this and improve your question. Include your comment answers. And heavy says very little. Do you have a kitchen scale? $\endgroup$ – Jan Doggen May 10 '18 at 10:00
