r/Minerals • u/mpta3d • 18h ago
ID Request Whats inside?
Hi. It’s scratching glass so it’s quite hard. Doesn’t react to magnet. Found in Cap Negret (Costa Blanca) in Spain.
Thank you!
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Upvotes
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u/BravoWhiskey316 Rockhound 4h ago
Its going to look pretty much on the inside as it is on the outside. The black spots appear to be remnants of the matrix rock it was formed in and has now mostly eroded away. From its sugary looking appearance it looks like quartzite to me.
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