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Alphabetical Gemstone List
Click on a letter for a list of gems:

A| B| C| D| E| F| G| H| I| J| K| L| M| N| O| P| Q| R| S| T|U| V| W| X|Y |Z

Gemstones that begin with the letter "D"

Gemstone Crystal System Density Hardness Refractive index Treatments

gem
Danburite

orthorhombic 3.00 7.0 1630-1.636 none known

demantoid
Datolite

monoclinic 2.95 5.0-5.5 1.626-1.670 none known

demantoid
Demantoid

cubic 3.84 6.5-7.0 1.875 none known

diamond
Diamond

cubic 3.52 10 2.417 radiation, drilling, fracture filling

diopside
Diopside

monoclinic 3.29 5-6 1.675-1.701 none known

diopside
Dioptase

trigonal 3.30 5 1.675-1.708 none known