by Gelogia Team | Jun 28, 2026 | Mineralogy
Conductivity is an important physical property that describes how easily a mineral transfers electricity or heat. While most minerals are poor electrical conductors, some native metals and carbon-rich minerals conduct electricity extremely well. Likewise, certain...
by Gelogia Team | Jun 28, 2026 | Mineralogy
Double refraction, also known as birefringence, is one of the most important optical properties used in mineralogy and gemology. It occurs when light entering certain minerals splits into two separate rays that travel at different speeds and in different directions....
by Gelogia Team | Jun 28, 2026 | Mineralogy
Refractive index (RI) is one of the most important optical properties used in mineralogy and gemology. It measures how much light slows down and bends as it passes from air into a mineral. Every transparent or translucent mineral has a characteristic refractive index...
by Gelogia Team | Jun 27, 2026 | Mineralogy
The optical properties of minerals describe how minerals interact with visible light. These properties include color, luster, transparency, refractive index, birefringence, pleochroism, fluorescence, and optical phenomena such as iridescence and chatoyancy. Because...
by Gelogia Team | Jun 27, 2026 | Mineralogy
Radioactive minerals are naturally occurring minerals that contain unstable radioactive elements such as uranium (U), thorium (Th), or, less commonly, potassium (K). As these elements decay over time, they release radiation in the form of alpha particles, beta...
