👉 The term "koechlinite" is often used in the context of mineralogy and geology. It refers to a type of quartz crystal that has a characteristic koechlinite pattern, which is characterized by its smooth surface and high refractive index. The koechlinite crystals are commonly found in rocks like granite, basalt, and gneiss. Koechlinite crystals can be distinguished from other types of quartz crystals by their unique appearance and the presence
