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Gemstone Science
Gemstone Care Record Keeping: Documentation Guide
Good documentation protects your gem investment. This guide covers what to document including receipts, photographs, appraisals, certificates, and maintenance logs, and how to organize records physically and digitally.
Gemstone Care Record Keeping: Documentation Guide
Good documentation protects your gem investment. This guide covers what to document including receipts, photographs, appraisals, certificates, and maintenance logs, and how to organize records physically and digitally.
Gemstone Hardness vs Toughness vs Stability: Th...
Hardness, toughness, and stability are three distinct properties that determine gem durability. This guide explains the Mohs scale, why diamond can chip, why jade is the toughest gem, and how...
Gemstone Hardness vs Toughness vs Stability: Th...
Hardness, toughness, and stability are three distinct properties that determine gem durability. This guide explains the Mohs scale, why diamond can chip, why jade is the toughest gem, and how...
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...