Quartz à inclusions d'oxyde de fer Chrysoprase Le cordon est ajustable et

Le cordon est ajustable et permet de changer la longueur d'un chocker à un sautoir

Chalcedony is the most important variety of polycrystalline quartz

Hardness: 6 - 7

Paire de calcite vert pâle

Quartz à inclusions d'oxyde de fer Chrysoprase Le cordon est ajustable etRock crystal is the colorless variety of crystalline quartz ; it does not contain any coloring element in impurity. However, it can present various inclusions giving it a multitude of fascinating appearances. In this case the presence of oxidized iron (Fe) gives rise to warm and vivid colors in shades of red, orange and yellow. The texture is reminiscent of drops of ink in contact with water. Variety: Quartz Color: Colorless and orange Dimensions: 27.