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What does it mean when one mineral scratches another different? This question delves into the fascinating world of mineralogy, where the interaction between different minerals can reveal valuable insights about their hardness and composition. The concept of scratching, also known as the Mohs scale of mineral hardness, is a fundamental principle used to compare and categorize minerals based on their ability to scratch one another. In this article, we will explore the significance of this phenomenon and its implications in various fields, including geology, material science, and archaeology.