
Montana Tube Agate Pendant
Montana Tube Agate Pendant Approx. Dimensions: 41x25x7 mm This pendant is made with .925 Sterling Silver. Chain is not included. Tube agate, also known as tube-like agate or sagenite, is a variety of agate characterized by the presence of needle-like or tubular mineral inclusions. It is found in various locations globally, with notable deposits in Brazil, Mexico, and the United States. Tube agate is often sought after for its unique and intricate patterns created by these inclusions. In jewelry making, tube agate is commonly cut into cabochons to showcase its distinctive structures, creating visually appealing pieces. Composed of microcrystalline quartz, tube agate exhibits a hardness of 6.5 to 7 on the Mohs scale, making it suitable for a variety of lapidary applications. The tubular inclusions are typically minerals such as rutile or asbestos, contributing to the stone's ornamental value and making it a favored material for creating distinctive and individualized jewelry items.