Search Gemstone Knowledge
Gemstone Science
X-Ray Diffraction in Gemology: Identifying Crys...
X-ray diffraction is the most powerful tool in gemological science, using X-rays to determine crystal structure and definitively identify gem materials. This guide explains Bragg's Law, types of XRD, and...
X-Ray Diffraction in Gemology: Identifying Crys...
X-ray diffraction is the most powerful tool in gemological science, using X-rays to determine crystal structure and definitively identify gem materials. This guide explains Bragg's Law, types of XRD, and...
Unit Cell in Gemstone Mineralogy: Building Bloc...
The unit cell is the smallest repeating unit of a crystal structure that determines every property of a gemstone. This guide explains unit cell parameters, the 7 crystal systems, Bravais...
Unit Cell in Gemstone Mineralogy: Building Bloc...
The unit cell is the smallest repeating unit of a crystal structure that determines every property of a gemstone. This guide explains unit cell parameters, the 7 crystal systems, Bravais...
Crystal Symmetry in Gemstones: Axes, Planes and...
Crystal symmetry describes how a crystal can be rotated, reflected, or inverted and still look identical. This guide explains rotation axes, mirror planes, centers of symmetry, and how the 32...
Crystal Symmetry in Gemstones: Axes, Planes and...
Crystal symmetry describes how a crystal can be rotated, reflected, or inverted and still look identical. This guide explains rotation axes, mirror planes, centers of symmetry, and how the 32...
Polymorphism in Gemstones: Diamond vs Graphite ...
Polymorphism is the ability of a substance to exist in more than one crystal structure. This guide explains diamond vs graphite, the aluminum silicate polymorphs, calcium carbonate polymorphs, and why...
Polymorphism in Gemstones: Diamond vs Graphite ...
Polymorphism is the ability of a substance to exist in more than one crystal structure. This guide explains diamond vs graphite, the aluminum silicate polymorphs, calcium carbonate polymorphs, and why...
Pseudomorphs in Gemstones: When One Mineral Rep...
Pseudomorphs form when one mineral replaces another while retaining the original crystal shape. This guide explains how pseudomorphs form, famous examples like tiger's eye and malachite after azurite, and how...
Pseudomorphs in Gemstones: When One Mineral Rep...
Pseudomorphs form when one mineral replaces another while retaining the original crystal shape. This guide explains how pseudomorphs form, famous examples like tiger's eye and malachite after azurite, and how...
Crystal Growth: How Gemstones Form Over Million...
Gemstones form over millions of years through igneous, metamorphic, hydrothermal, and sedimentary processes. This guide explains how crystal growth works, what geological environments produce different gems, and why large gem-quality...
Crystal Growth: How Gemstones Form Over Million...
Gemstones form over millions of years through igneous, metamorphic, hydrothermal, and sedimentary processes. This guide explains how crystal growth works, what geological environments produce different gems, and why large gem-quality...