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 "L"
Gemstone |
Crystal
System |
Density |
Hardness |
Refractive
index |
Treatments |

Labradorite
|
triclinic |
2.70 |
6.5-6.5 |
1.660-1.680 |
none known |

Lapis
Lazuli
|
various |
2.75 |
5.50 |
1.500 |
none known |

Lazulite
|
monoclinic
aggregate |
3.09 |
5.0 to 6.0 |
1.612-1.643 |
none known |