Definition: Anilidic refers to a type of stone that is extremely hard, resembling granite but with an underlying texture similar to marble or obsidian. It has a high硬度，a hardness around 9-10 on Mohs scale. This is known for its ability to withstand strong acids and temperatures up to 500°C. The word "anilidic" is found in the Bible, often used to describe the texture of certain materials, such as granite.
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