Agate (bleue), quartz Prasiolite La topaze est une pierre

La topaze est une pierre fine qui possède une variété impressionnante de couleurs telles que rouge

Sa couleur est souvent dûe à une irradiation naturelle – ou non – d’un cristal de roche

There are two very rare and particularly sought after varieties of the chrysoberyl family: cat's eye chrysoberyl and alexandrite

Color: Gray and brown

Couleur : Bleu

Agate (bleue), quartz Prasiolite La topaze est une pierreChalcedony is the most important variety of polycrystalline quartz. The term agate designates chalcedonies with areas of different colors or transparencies. In agate, we can observe bands of the same color but different tones or bands of different colors. The bands of this agate offer hues of blue while having the appearance of lace. Variety: quartz Color: pale blue Dimensions: 20. 00 mm Shape and size: round cabochon Treatment: none Hardness: 7