What is the origin of amethyst’s purple color?
December 23, 2025 · caitlin
Amethyst, a popular and widely sought-after gemstone, is known for its stunning purple color. This vibrant hue is primarily due to the presence of…
Geology
What minerals cause quartz to change color?
December 21, 2025 · caitlin
Quartz is a fascinating mineral known for its wide array of colors, each resulting from various impurities and structural changes. Understanding what minerals cause…