Diamond is least affected by chemical weathering among common minerals and rocks. The carbon atoms that make up a diamond are strongly bonded, making it highly resistant to chemical reactions and weathering.
The least affected mineral by chemical weathering is quartz. Quartz is a hard and resistant mineral composed of silicon and oxygen (silicon dioxide). It does not easily react with water or common acids, which makes it highly resistant to chemical weathering processes. Therefore, quartz is less affected by chemical weathering compared to other minerals such as feldspar or calcite.
