rockpassion
Hero Member
Found a strange rock today in the river and it weighs 3750 grams and does not atract a magnet and hase huge crystals which look like Wavelite. Would love to know what it is.
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Those are crystals and this is what the inside looks like, slag maybe? how old and what kind?Those odd markings in the third pic make me think they're some kind of fossils, but I know little about rocks.