Gemology

Gemology or gemmology is the science of dealing with natural and artificial gems and gemstones.^[1] It is considered a geoscience and a branch of mineralogy. Some jewelers are trained gemologists and are qualified to identify and evaluate gems.^[2]

Gemology Media

Gemmological microscopic examination.jpg

Examining a pink sapphire under a gemmological microscope
Peridot (Mg, Fe)₂SiO₄ in the rough form and a cut and polished gem.
Gemmological travel lab KA52KRS
Gem.pebbles.800pix.jpg

A selection of ornamental, non-precious stones made by tumbling rough pebbles with abrasive grit in a rotating drum. The biggest pebble here is 40 millimetres (1.6 in) long.
Portable refractometer.JPG

Traditional handheld refractometer
Three Phase in Rock Crystal Quartz, Pakistan.jpg

Three inclusion phases in rock crystal quartz
Curved Striations in Synthetic Color-Change Sapphire.jpg

The curvature observed in this synthetic color-change sapphire is due to a process known as the Verneuil process or, flame fusion.

References

↑ Lua error in Module:Citation/CS1/Utilities at line 38: bad argument #1 to 'ipairs' (table expected, got nil).
↑ Lua error in Module:Citation/CS1/Utilities at line 38: bad argument #1 to 'ipairs' (table expected, got nil).

This short article about science can be made longer. You can help Wikipedia by adding to it.

[1] Lua error in Module:Citation/CS1/Utilities at line 38: bad argument #1 to 'ipairs' (table expected, got nil).

[2] Lua error in Module:Citation/CS1/Utilities at line 38: bad argument #1 to 'ipairs' (table expected, got nil).

[1]

[2]