Precious stones.

Crystal & gem / by: (Language materials, printed)

Gemmology / by: (Language materials, printed)

Gemstones of the world / by: (Language materials, printed)

Simon and Schuster's Guide to gems and precious stones / by: (Language materials, printed)

Gemstones : = symbols of beauty and power / by: (Language materials, printed)

The jeweler's directory of gemstones : = a complete guide to appraising and using precious stones, from cut and color to shape and setting / by: (Language materials, printed)

Gemstones / by: (Language materials, printed)

Jewelry illustration / by: (Language materials, printed)

Geology of gem deposits / by: (Language materials, printed)

Gem cutting.

Jewelry- Design.

Precious stones, Artificial.

Jewelry.

Gemmes.

Pierres artificielles (Joaillerie)

Gemmes- Taille.

Precious stones.

Precious stones- Inclusions.

Drawing- Technique.

Crystallography- Juvenile literature.

Gems.

Bijoux.

Emerald deposits.

Crystallography.

Crystals.

Gemmes- Inclusions.

Diamond deposits.

Crystals- Juvenile literature.

Precious stones- Juvenile literature.

Precious stones- Valuation.

Gemmes- 榼valuation.