Lapis lazuli Oval Necklace

45cm Necklace composed of high quality Lapis lazuli cut in Oval shape of 18x25mm.
The Necklace was tied with the hand.
Lapis lazuli is the decorative stone of the Egyptians.
This stone in its more beautiful quality offers an intense color bleu.marine.
The intensity of its color could not never be manufactured and remains still today single.
The great painters use it out of powder.
Hardness on the MOHS scale of hardness: 5-6. Density: 2.40-2.90.