👉 An amphibole is a mineral that is composed primarily of iron and boron, typically in the form of a silicate or carbonate. They are found in various rocks and minerals such as quartz, feldspar, and calcite.
👉 An amphibole is a mineral that is composed primarily of iron and boron, typically in the form of a silicate or carbonate. They are found in various rocks and minerals such as quartz, feldspar, and calcite.
