Lapis lazuli 6 ct oval
39,00 €
incl. 25.5 % VAT
Faceted Lapis lazuli gemstone.
Product identifier:
270102
Gemstone: Lapis lazuli
Weigh about: 6 ct
Measurements about: 15x 12 x 4 mm
Color: blue
Shape: Faceted, oval
Cutting: good
Clarity: opaque
Origin:
Characteristic:
| Unlike most other gem materials, lapis lazuli is a complex aggregate of several minerals particularly hauyne, sodolite, nosean, and lazurite. The indefinite composition of the material affects it properties and the density ranges between 2.7 and 2.9. Lapis is also frequently found with inclusions of pyrite. The most famous locality for lapis is in North Eastern Afghanistan. |
| Known Facts | |
| Color Key: | Blue, greenish-blue, violet blue |
| Refractive Index: | 1.50 |
| Chemical Composition: | A complex aggregate |
| Hardness: | 5.5 |
| Density: | 2.7-2.9 |
| Crystal Group: | Not applicable |
| Ocurrence: | Afganistan, Pakistan, Chile, Russia, U.S.A., Angola, Burma |
| Lapis is tough enough to be used in many kinds of jewelry and is also often carved. | |
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