👉 The term "granum" is a Latin word that means "granite", referring to a hard, unyielding material. It can also refer to a type of stone or rock with a high content of iron, which makes it highly resistant to corrosion and wear. Granites are primarily composed of calcium carbonate minerals, which are found in various forms, including igneous, sedimentary, and metamorphic rocks. They are often formed during the高温 (high temperature) process of cooling magma from
