Understanding the distinction between adamantine and vitreous luster is fundamental to gemstone identification. This guide explores the physics of light reflection and provides practical methods for distinguishing these two primary luster types.
An authoritative exploration of halide minerals used as gemstones, focusing on their chemical composition, physical properties, and the challenges of using them in jewelry. Learn to identify key halides like fluorite and sylvite.
A comprehensive gemological analysis comparing moissanite and diamond. Explore the critical differences in optical properties, chemical composition, and market value to make an informed choice.
Gemstones with a Mohs hardness of 5 to 6 require specific setting strategies to prevent scratches and chipping. This guide explores the most secure mounting techniques to ensure longevity for these delicate treasures.
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 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 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.
