An exploration of the evolution of marcasite jewelry from the romanticism of the Victorian era to the geometric precision of Art Deco. Discover how this metallic mineral became a staple of affordable luxury.
Explore the scientific phenomenon of gemstone fluorescence, where minerals absorb ultraviolet light and emit visible color. This guide explains the causes, types of UV light, and how fluorescence is used in gemstone identification.
An exploration of the extraordinary minerals found in the Earth’s most frigid regions. From Greenland’s rare cryolite to Canada’s diamonds and Russia’s unique Arctic minerals, discover the geology of the north.
Explore the fascinating world of sulfosalts, a complex group of silver-bearing minerals prized by collectors. This guide details their chemical composition, identification, and the challenges of using these rare specimens in jewelry.
Explore the intersection of mineralogy and cognitive wellness. This guide examines gemstones traditionally associated with sharpening the mind, enhancing focus, and stimulating intellectual exploration.
Explore the most asymmetrical of all crystal systems. This guide examines the unique geometric properties of the triclinic system and the rare gemstones that embody its structure.
Explore the distinct characteristics of the most popular pink gemstones. This professional guide compares Rose Quartz, Morganite, and Pink Tourmaline across hardness, chemistry, and value.
Explore the geological anomaly of the Franklin-Wells Mineral District, world-renowned for its unique mineral assemblages. Discover the rare zinc-manganese-iron ores and the exquisite gemstones found in this New Jersey treasure trove.
Explore the science of refractive index and how it dictates the brilliance, fire, and luster of gemstones. Learn why certain minerals sparkle more than others and how this property affects gemstone valuation.
Explore the fascinating role of copper as a chromophore in the mineral kingdom. From the electric blues of turquoise to the vivid greens of malachite, discover how this transition metal transforms colorless minerals into neon masterpieces.
