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Let's Rock => Identifications of Materials => Topic started by: MareWithNoName on October 16, 2019, 09:41:12 AM
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Please help me with this rock. It is somewhat translucent and banded like agate, but not smooth. From bc interior. Does anyone have any ideas? Tia.
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Looks more like a travertine /Onyx to me. The material appears to look very rough like calcite or a travertine / Onyx type of surface where an agate wouldn't be nearly so rough. Both those materials would also look somewhat translucent. A simple hardness test will give you a clue or simple taking a wing of an edge. If the break shows any flat shiny surfaces then not Agate as Agate does not have that type of cleavage plane.
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The layering makes it look like travertine as does the disrupted nature of other layering.
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Thank you very much for your replies.