Genuine Dark Brown Agate Short Necklace, Natural Gemstone Adjustable Necklace

Genuine Dark Brown Agate Short Necklace, Natural Gemstone Adjustable Necklace Agate is a rock formation, consisting of chalcedony and quartz as its primary components, with a wide variety of colors. An ornamental stone since antiquity, agate has been found in a variety of ancient Greek contexts, such as for Mycenaean jewelry and warriors' seal stones. Because it is hardy, often spectacularly colored, and polishes to a high shine, it has long been valued for decorative purposes. It is formed in alternating layers that produce the distinctive banding effect, of which there are many varieties worldwide. 9 mm & 5 mm natural dark brown agate round beads The length of the necklace is about 19", stainless lobster claw clasp + extension chain. ***Feel free to contact me to personalize the length, you can measure one of your own necklaces to have an idea of the length you like.