Zircon (jaune) - Paire Pierre de lune / Moonstone Chalcedony is the most important

Chalcedony is the most important variety of polycrystalline quartz

Tranche de quartz polycristallin provenant d'Uruguay

Slate piece containing a multitude of small pyrite crystals

Couleur : Bleu

Hardness: 3

Zircon (jaune) - Paire Pierre de lune / Moonstone Chalcedony is the most importantZircon is a natural fine stone with a high dispersion as well as a sub adamantine luster. It is found in a wide range of colors such as yellow, brown, orange, red, purple, blue and green. It is very popular in jewelry because it has optical properties similar to diamond. A zircon found in Australia is believed to be the oldest mineral on earth at 4. 4 billion years old. Variety: Zircon Color: Golden yellow Dimensions: 11. 00 x 8. 55 mm Weight: 10. 28